ENGINE AND COMPRESSOR

Abstract

A motor comprises a stator and a connecting element. An electrical insulating body comprises a drum section, which is located at an end section on a first side in the axial direction of a tooth base section, and an inner wall section, which is located at an end section on the first side in the axial direction of a tooth end section. The connecting element is located on the first side in the axial direction of the stator. A bottom section is located in a first region that is further on an inner side in the radial direction than an outer wall section and further on a second side in the axial direction than an outer apex section.

Description

TECHNICAL AREA

[0001] The present disclosure relates to an engine and a compressor. BACKGROUND

[0002] A motor mounted on a compressor is known. The motor has a lead wire used for electrical connection to a device on the power source side, for example, an inverter contained in the compressor, and the motor has a connecting element arranged at an end part on the inverter side. The lead wire is arranged in the connecting element, and a conductive terminal of the inverter side is electrically connected to the lead wire in the connecting element. For example, JP 2019-213415A discloses a motor in which a connecting element is arranged at an end part on an inverter side of the motor, using an engaging part formed in the connecting element and an engagement part provided at an end part of an electrical insulating body contained in the motor. SUMMARY

[0003] In the prior art, because the connecting component is located at the end on the inverter side of the motor, there is a possibility that the compressor could become larger in an axial direction. Therefore, a technique is desired that can efficiently position the connecting component and thus reduce the size of the compressor. This problem becomes particularly apparent when the compressor is installed in a vehicle, for example, where space for the compressor is limited.

[0004] The present revelation can be realized through the following aspects.

[0005] (1) According to one aspect of the present disclosure, a motor is provided. The motor has a stator having a cylindrical shape extending in an axial direction and a connecting part comprising a side wall section, a bottom section, and a terminal space defined by the side wall section and the bottom section, the connecting part being configured to accommodate a connecting terminal, electrically connected to a conductive terminal of a power supply, in the terminal space. The stator has a stator core with a yoke extending in a circumferential direction and teeth extending radially from the yoke to an inner surface, an electrical insulator mounted on the stator core, and a stator winding wound over the electrical insulator on the stator core.Each tooth has a tooth base portion extending radially from the yoke to the inner side, and a tooth end portion continuous with one end on the inner side in the radial direction of the tooth base portion. The electrical insulating body has an outer wall portion arranged at an end portion on the first side in the axial direction of the yoke. The outer wall portion comprises an outer apex portion, which is an end portion on the first side in the radial direction of the outer wall portion, a drum portion arranged at an end portion on the first side in the axial direction of the tooth base portion, and an inner wall portion arranged at an end portion on the first side in the axial direction of the tooth end portion. The connecting terminal is located at one end of the stator winding. The connecting component is arranged on the first side in the axial direction of the stator.The bottom part is arranged in a first region, the first region being further on the inner side in the radial direction than the outer wall part and further on the second side in the axial direction than the outer apex part.

[0006] According to this aspect, compared to a case where a connecting component is located at one end of a motor, the connecting component is arranged more efficiently, and the motor's length in the axial direction can be reduced. Furthermore, the compressor can be made smaller.

[0007] (2) In the motor according to the aspect described above, the stator winding may comprise a winding section wound over the electrical insulator on the stator core and a lead wire section (supply wire section) with one end of the stator winding connecting the winding section and the connecting terminal. The ground section may be arranged in a second region of the first region, the second region extending from an end section on the first side in the axial direction of the winding section to the outer apex section.

[0008] According to the motor of this aspect, the position of the connecting component is set based on an arrangement relationship to the winding part, and the length of the motor in the axial direction can be shortened compared to the prior art.

[0009] (3) In the motor according to the aspect described above, the bottom part can be arranged in a third region of the first region, the third region extending from an inner apex part to the outer apex part, the inner apex part being an end part on the first side in the axial direction of the inner wall part.

[0010] According to the principle behind this aspect, even if components other than the connecting component are arranged between the inner apex part and the outer apex part, the length of the motor in the axial direction can be shortened compared to the prior art.

[0011] (4) In the motor according to the aspect described above, the outer wall part may have a longest wall part with a length that is longest in the axial direction of the outer wall parts, and a shortest wall part with a length that is shortest in the axial direction of the outer wall parts, with a length that is greater than or equal to the length of the inner wall part in the axial direction. The bottom part may be arranged in a fourth region of the third region, the fourth region extending from the inner apex part to a shortest outer apex part, which is an end part on the first side in the axial direction of the shortest wall part.

[0012] According to the principle of this aspect, the length of the motor in the axial direction can be shortened compared to the prior art, while the length in the axial direction of the longest wall part is adjusted to be longer than the length in the axial direction of an outer wall part in the prior art.

[0013] (5) In the motor according to the aspect described above, the bottom part can be arranged in a position in contact with the inner apex part.

[0014] According to this aspect, compared to a case where the connecting component is located at the end of the motor, the length of the motor can be shortened in the axial direction.

[0015] (6) In the motor according to the aspect described above, the stator winding may have a winding part which is wound over the electrical insulating body on the stator core and a lead wire part with one end of the stator winding which connects the winding part and the connecting terminal, and at least part of the lead wire part may be arranged further on an outer side in the radial direction than the outer wall part.

[0016] According to the principle of this aspect, a region in which the connecting component can be arranged can be enlarged in a region further on the inner side in the radial direction than the outer wall part and further on the second side in the axial direction than the outer apex part.

[0017] (7) In the motor according to the aspect described above, the outer wall part may have a groove for arranging the conductor wire part in a wall surface on the outer side in the radial direction of the outer wall part.

[0018] According to the principle of this aspect, operation is facilitated to arrange the conductor wire part further on the outside in the radial direction than the outer wall part.

[0019] (8) The motor according to the aspect described above may further comprise a support component connected to the connecting component. The support component may be configured to be in contact with several points of the electrical insulating body arranged on the first side in the axial direction of the stator.

[0020] According to the principle behind this aspect, the connecting component can be supported by the load-bearing component via multiple contact points through the electrical insulating body. This allows the connecting component to be positioned in a stable position on the stator.

[0021] (9) In the motor according to the aspect described above, the supporting component may have an outer circumferential wall section which is connected to the connecting component and extends in the circumferential direction. The outer circumferential wall section may be arranged such that it faces a wall surface on an outer side in the radial direction of the outer wall section, and extends further outwards in the radial direction than the outer wall section.

[0022] According to the principle behind this aspect, the outer wall of the electrical insulating body can be protected by the supporting component. Furthermore, by ensuring that the electrical insulating body supports the supporting component, any wobbling of the connecting component and the supporting component can be suppressed or prevented.

[0023] (10) In the motor according to the aspect described above, the supporting component may have a first engagement part. The electrical insulating body may have a second engagement part designed to engage with the first engagement part.

[0024] According to the motor of this aspect, movement of the supporting component in relation to the electrical insulating body is limited, and the connecting component and the supporting component can be arranged in a stable state on the stator.

[0025] (11) In the motor according to the aspect described above, the supporting component may have an outer circumferential wall section connected to the connecting component and extending in the circumferential direction, and an outer circumferential wall flange projecting radially from the outer circumferential wall section to the inner side and extending in the circumferential direction. The first engagement part may comprise at least a portion of the outer circumferential wall flange. The second engagement part may comprise a base section projecting axially from the outer apex section to the first side, and a nail section projecting radially from the base section to an outer side. At least a portion of the outer circumferential wall flange may engage between the nail section and the outer apex section.

[0026] According to the principle behind this aspect, the first engagement part and the second engagement part can be easily brought into engagement by ensuring that the second engagement part has a detent or snap-fit ​​structure.

[0027] (12) In the motor according to the aspect described above, the first engagement part may have a projection extending radially from the supporting component towards an outer side. The second engagement part may have a recess or through-hole corresponding to the projection, formed in a wall surface on the inner side in the radial direction of the outer wall part. The projection may be configured to engage in the recess or through-hole.

[0028] According to the motor of this aspect, it can be arranged that the first and second engagement parts engage further on the second side in the axial direction than the outer apex part. Thus, the motor configuration on the first side in the axial direction can be a simple configuration.

[0029] (13) In the motor according to the aspect described above, the supporting component may have an outer circumferential wall section that is connected to the connecting component and extends in the circumferential direction. The outer circumferential wall section may have an outer circumferential wall flange that projects radially towards the inner side and extends in the circumferential direction. The outer wall section may have a mating part with a convex or concave shape. The outer circumferential wall flange may have a mating part with a convex or concave shape corresponding to the mating part.

[0030] According to the motor of this aspect, movement of the outer circumferential wall part is limited, and the connecting component and the supporting component can be arranged in the stable state on the stator.

[0031] (14) In the motor according to the aspect described above, the supporting component may have an inner circumferential wall section which is connected to the connecting component and extends in the circumferential direction. At least a part of the inner circumferential wall section may be configured to be in contact with an inner apex section which is an end part on the first side in the axial direction of the inner wall section.

[0032] According to the motor of this aspect, a movement of an inner circumferential part of the supporting component is limited, and the connecting component and the supporting component can be arranged in the stable state on the stator.

[0033] (15) In the motor according to the aspect described above, the stator winding may comprise a winding section wound over the electrical insulator on the stator core and a lead wire section with one end of the stator winding connecting the winding section and the connecting terminal. The supporting component may have a lead wire receptacle designed to guide the lead wire section to the connecting component.

[0034] According to the motor of this aspect, the lead wire part of the stator winding can be arranged in a stable state on the stator using the support component.

[0035] (16) In the motor according to the aspect described above, the stator winding may further comprise a wire connection to the other end of the stator winding, forming a neutral point of the stator winding, which is Y-connected. The supporting component may further comprise a wire connection receptacle designed to receive a wire connection for connecting the other end of the stator winding as a neutral point connection.

[0036] According to the motor of this aspect, the wire connection part can be arranged in a stable state on the stator core using the supporting component.

[0037] (17) In the motor according to the aspect described above, the motor may further comprise a cover component. The cover component may include a connecting component cover part with an opening for inserting the conductive connection, which is arranged opposite the base part, and a conductor wire cover part which is designed to be positioned opposite the conductor wire receptacle.

[0038] According to the motor of this aspect, the connection terminal located on the connecting component and the conductor wire part located in the conductor wire receptacle can be protected from an external atmosphere and the like.

[0039] (18) In the motor according to the aspect described above, the cover component may further comprise an inclined part, inclined at a predetermined angle to the base part, between the opening and the wire cover part. The angle may be in the range of 15 degrees to 45 degrees.

[0040] According to the principle behind this aspect, failure can be suppressed or prevented if laser welding of the cover component and the connecting component is carried out.

[0041] (19) In the case of the motor described above, the motor may be a motor for use in a compressor installed in a vehicle.

[0042] (20) According to another aspect of the present disclosure, a compressor is provided which has a compression mechanism for compressing and expelling a fluid and a motor for driving the compression mechanism. The compressor has the motor according to one of the aspects described above.

[0043] The present disclosure can be realized through various aspects that differ from the motor and the compressor. For example, the present disclosure can be realized through a connecting element, a supporting element with the connecting element, a stator, a method for manufacturing the stator, a method for arranging the connecting element, a method for manufacturing the motor, a method for manufacturing the compressor, a method for manufacturing the connecting element, a method for manufacturing the supporting element with the connecting element, and the like. BRIEF DESCRIPTION OF THE DRAWINGS Fig. Figure 1 is an explanatory view showing an internal structure of a compressor equipped with a motor according to the first embodiment. Fig. Figure 2 is an explanatory view showing a configuration of the engine according to the first embodiment of the present disclosure. Fig. Figure 3 is a perspective exploded view showing the configurations of the respective parts of the engine. Fig. Figure 4 is an explanatory view showing a configuration of a stator. Fig. 5 is a cross-sectional view of position VV in Fig. 4. Fig. Figure 6 is a perspective view showing an external configuration of an electrical insulating body. Fig. Figure 7 is a top view showing a configuration of a connecting component and a supporting component. Fig. Figure 8 is a perspective view showing the configuration of the connecting component and the supporting component. Fig. Figure 9 is an explanatory view showing an arrangement method of a lead wire part and a wire connecting part of a stator winding. Fig. Figure 10 is a perspective view showing a configuration of a wire connection terminal. Fig. Figure 11 is an explanatory view showing the wire connection part, which is connected by the wire connection terminal as a neutral point. Fig. Figure 12 is a perspective view showing a configuration of an outer perimeter wall section. Fig. 13 is a cross-sectional view of position XIII-XIII in Fig. 12. Fig. Figure 14 is a perspective view showing a configuration on a second side in the axial direction of the supporting component. Fig. 15 is a cross-sectional view of position XV-XV in Fig. 7. Fig. 16 is a cross-sectional view of position XVI-XVI in Fig. 2. Fig. Figure 17 is a perspective view showing an external configuration of a cover component. Fig. Figure 18 is a side view of the cover component. Fig. Figure 19 is an explanatory view showing a modified example of an arrangement position of the connecting component. Fig. Figure 20 is an explanatory view showing a configuration of an engine according to a second embodiment. Fig. Figure 21 is a perspective exploded view showing a configuration of the respective parts of the engine according to the second embodiment. Fig. Figure 22 is a top view of the engine according to the second embodiment. Fig. Figure 23 is an explanatory view showing a configuration of an electrical insulating body. Fig. Figure 24 is an explanatory view showing a configuration of a load-bearing component. Fig. 25 is a cross-sectional view of position XXV-XXV in Fig. 22. Fig. Figure 26 is an explanatory view showing a configuration of a cover component. Fig. Figure 27 is a perspective view showing a configuration of the second side in the axial direction of the supporting component. Fig. 28 is a cross-sectional view of position XXVIII-XXVIII in Fig. 22. Fig. Figure 29 is an explanatory view showing a configuration of an engine according to a third embodiment of the present disclosure. Fig. Figure 30 is a perspective view showing a configuration on the second side in the axial direction of a load-bearing component. Fig. Figure 31 is an explanatory view showing a configuration of one side of an electrical insulating body. Fig. 32 is a cross-sectional view of position XXXII-XXXII in Fig. 29. Fig. Figure 33 is a perspective exploded view showing a configuration of a stator included in a motor according to another embodiment. Fig. Figure 34 is a perspective exploded view showing a configuration of a stator included in a motor according to another embodiment. DETAILED DESCRIPTION OF THE VERSIONS A. First embodiment A.1 Compressor configuration 300

[0044] Fig. Figure 1 is an illustrative view showing the internal structure of a compressor 300 equipped with a motor 310 according to a first embodiment of the present disclosure. The compressor 300 is, for example, an electric screw compressor. For example, the compressor 300 is installed in a vehicle (not shown) and, together with an evaporator, an expansion valve, a condenser, and the like, is provided in a cooling circuit of a vehicle's air conditioning system. The compressor 300 draws in a refrigerant from the vehicle's air conditioning system, condenses the refrigerant, and discharges the condensed refrigerant.

[0045] As in Fig. As shown in Figure 1, the compressor 300 comprises a housing 301, a motor 310, a compression mechanism 320 which compresses and supplies a fluid, a drive shaft 330, and a power supply circuit 340. The housing 301 accommodates the motor 310 and the compression mechanism 320. A motor chamber 303, in which the motor 310 is arranged, and an outlet opening 305 are formed in the housing 301.

[0046] The motor chamber 303 is connected to the evaporator, for example, via an inlet opening (not shown). The coolant supplied by the evaporator flows into the motor chamber 303 through the inlet opening. The outlet opening 305 expels the high-pressure coolant, which has been compressed by the compression mechanism 320, to the outside of the compressor 300. The outlet opening 305 is connected, for example, to the condenser (not shown).

[0047] The drive shaft 330 is an essentially cylindrical component extending along a rotational axis AX. The drive shaft 330 is mounted in the housing 301 such that it is rotatable about the rotational axis AX. An eccentric pin 332, also essentially cylindrical, is formed at one end of the drive shaft 330. The eccentric pin 332 is positioned at a predetermined distance from the rotational axis AX.

[0048] The power supply circuit 340 is, for example, an inverter or the like, designed to drive the motor 310. The power supply circuit 340 converts a direct current supplied by a battery, which is a power source installed in the vehicle, into an alternating current and supplies the converted alternating current to the motor 310. In the present embodiment, a three-phase current is supplied to the motor 310.

[0049] The power supply circuit 340 has conductive terminals 342. The conductive terminals 342 are electrically connected to connection terminals 94 of a stator 100, which are arranged in a connecting component 52. Consequently, the power supply circuit 340 is electrically connected to the motor 310.

[0050] The motor 310 generates a driving force to rotate the drive shaft 330 about the axis of rotation AX. The motor 310 is an example of a "motor". In the present embodiment, an example is described in which the motor 310 is an inside-rotor type motor. The motor 310 has a stator 100 with a substantially cylindrical shape and a rotor 200. It should be noted that the motor 310 can also be an outside-rotor type motor.

[0051] The stator 100 is attached to the motor chamber 303. The stator 100 rotates the rotor 200 using a magnetic field generated by the alternating current supplied by the power supply circuit 340.

[0052] The rotor 200 is arranged within the stator 100 such that it can rotate relative to the stator 100. The rotor 200 comprises a cylindrical rotor core 24, a magnet 22 fixed within the rotor core 24, and the drive shaft 330 attached to a center point of the rotor core 24. The rotor core 24 is formed by stacking core pieces made of electrical steel. The magnet 22 is, for example, a permanent magnet containing neodymium, iron, boron, and the like. The magnet 22 is in the form of a flat plate extending along an axial direction of the rotor core 24. The drive shaft 330 is rotated by the rotation of the rotor 200 about the axis of rotation AX.

[0053] The compression mechanism 320 comprises a fixed screw 322 and a movable screw 324. The movable screw 324 is connected to the drive shaft 330 via the eccentric pin 332. The fixed screw 322 is attached to the housing 301. A connecting path 304 is formed in the fixed screw 322. The fixed screw 322 and the movable screw 324 each have wall surfaces arranged in a helical shape, and the wall surfaces in the helical shape are arranged to mesh with each other. Consequently, a compression chamber is formed between the fixed screw 322 and the movable screw 324, which is capable of compressing the coolant. When the motor 310 is in operation and the drive shaft 330 rotates about the axis of rotation AX, the movable screw 324 rotates, and the coolant in the compression chamber is compressed.The compressed coolant is discharged via the connection path 304 from the compression mechanism 320 to the outlet opening 305. A.2 Configuration of the 310 engine

[0054] Fig. Figure 2 is an explanatory view showing the configuration of the motor 310 according to the first embodiment of the present disclosure. The motor 310 comprises the stator 100, the rotor 200, and the connecting element 52. It should be noted that, for a better understanding of the technology, the rotor 200 in the respective drawings, including Fig. 2, is not shown.

[0055] Each of the drawings, including Fig. Figure 2 schematically shows three directions used in this disclosure. An “axial direction DZ” denotes the axial direction of the axis of rotation AX of the rotor 200. From the axial direction DZ, one side on which the power supply circuit 340 is arranged with respect to the motor 310 is defined as a “first side Z1 in the axial direction,” and the opposite side is defined as a “second side Z2 in the axial direction.” When the motor 310 is arranged in a state in which the axis of rotation AX is oriented along the vertical direction, the first side Z1 in the axial direction is also sometimes referred to as the “top side,” and the second side Z2 in the axial direction is also sometimes referred to as the “bottom side.” A “circumferential direction DX” denotes a circumferential direction around the axis of rotation AX.In the circumferential direction DX, when the motor 310 is viewed axially from the first side Z1, the counterclockwise direction defines a "first side X1 in the circumferential direction," and the clockwise direction defines a "second side X2 in the circumferential direction." A "radial direction DY" passes through the axis of rotation AX and is orthogonal to the axis of rotation AX. The radial direction DY denotes a radial direction centered on the axis of rotation AX. In the radial direction DY, the side of the axis of rotation AX with respect to a predetermined reference position defines an "inner side Y2 in the radial direction," and the opposite side defines an "outer side Y1 in the radial direction."

[0056] The connecting component 52 is arranged on the first side Z1 in the axial direction of the stator 100. Connection spaces 52S are formed in the connecting component 52. The conductive terminal 342 and the connecting terminal 94 are accommodated in the connection space 52S, and the conductive terminal 342 and the connecting terminal 94 are electrically connected to each other. The connection space 52S is an example of a "connection space". In the present embodiment, the connecting component 52 has several of the connection spaces 52S, which can accommodate several of the connecting terminals 94 corresponding to the three-phase current, and is formed by a housing, which is also referred to as a so-called cluster housing.

[0057] As in Fig. As shown in Figure 2, in the present embodiment the connecting component 52 is connected to a supporting component 50. As described below, the supporting component 50 is designed to fasten the connecting component 52 to the stator 100 or to ensure that the connecting component 52 is stably supported on the stator 100.

[0058] Fig. Figure 3 is a perspective exploded view showing the configurations of individual parts of the 310 engine. As in Fig. As shown in Figure 3, in the present embodiment the motor 310 further comprises a cover component 40. As described below, the cover component 40 is arranged on the first side Z1 in the axial direction of the support component 50, protects at least a part of the support component 50 and protects the connecting component 52. Openings 42 are formed in the cover component 40 for inserting the conductive connections 342 into the connection spaces 52S. A.3 Stator 100 configuration

[0059] Fig. Figure 4 is an explanatory view showing the configuration of the stator 100. The stator 100 has a stator core 80, an electrical insulating body 70, and a stator winding 90. To facilitate understanding of the technology, in Fig. 4 the stator windings 90 not shown.

[0060] Fig. 5 is a cross-sectional view of position VV in Fig. 4. The stator core 80 is formed by stacking several electromagnetic steel sheets. As in Fig. As shown in Figure 5, the stator core 80 has a yoke 82 extending in the circumferential direction DX and several teeth 84 extending from an inner circumferential surface of the yoke 82 to the inner side Y2 in the radial direction DY.

[0061] The teeth 84 extend from the inner circumferential surface on the inner side Y2 in the radial direction of the yoke 82 to the inner side Y2 in the radial direction. The multiple teeth 84 are spaced apart from each other in the circumferential direction DX. Each of the teeth 84 has a tooth base part 846 and a tooth end part 844.

[0062] The tooth base part 846 extends from the inner circumferential surface on the inner side Y2 in the radial direction of the yoke 82 to the inner side Y2 in the radial direction. The tooth end part 844 is provided continuously from the outermost end of the tooth base part 846 on the inner side Y2 in the radial direction. As shown in Fig. As shown in Figure 5, the tooth end part 844 has a first flange 844F1 extending circumferentially from the outermost end of the tooth base part 842 to the first side X1, and a second flange 844F2 extending circumferentially from the outermost end of the tooth base part 842 to the second side X2. Tooth end surfaces 844W, formed on the inner side Y2 in the radial direction of the tooth end parts 844, face the rotor 200 and define a space in which the rotor 200 is rotatably arranged.

[0063] Slots SL are defined by the teeth 84, which are adjacent to each other in the circumferential direction DX. For example, the stator winding 90 is wound around the teeth 84 in a concentrated winding process over the electrical insulator 70 by inserting a needle into the slots SL from the inner side of the electrical insulator 70 and moving the inserted needle. In the present embodiment, the stator winding 90 is a winding of the Y-connection type (also referred to as a "star connection").It should be noted that a method for winding the stator winding 90 onto the teeth 84 can be a method for winding the stator winding 90 onto the teeth 84 in a state in which the electrical insulating body 70 is mounted, or a method for mounting the electrical insulating body 70 onto the teeth 84 in a state in which the stator winding 90 has been pre-wound onto the electrical insulating body 70.

[0064] In the present disclosure, the stator winding 90 in a state in which it is wound on the teeth 84 is also referred to as the "winding section". Furthermore, a section of the stator winding 90 that connects the winding section and the connecting terminal 94 is also referred to as a "lead wire section". The lead wire section has one end of the stator winding 90 to which the connecting terminal 94 is attached. A section of the stator winding 90 that forms a neutral point of the Y-connected stator winding 90 is also referred to as a "wire connecting section". The other end of the stator winding 90 is contained in the wire connecting section. In other words, one end of the stator winding 90 that is not wound on the teeth 84 forms the lead wire part, and the other end of the stator winding 90 that is not wound on the teeth 84 forms the wire connecting part. A.4 Configuration of the electrical insulating body 70

[0065] Fig. Figure 6 is a perspective view showing the external configuration of the electrical insulating body 70. The electrical insulating body 70 is made of a resin with electrically insulating properties, for example, polyphenylene sulfide (PPS), syndiotactic polystyrene (SPS), polybutylene terephthalate (PBT), a liquid crystal polymer (LCP), or the like. The electrical insulating body 70 is designed to cover the stator core 80 for electrical insulation of the stator winding 90 and the stator core 80. The electrical insulating body 70 is also referred to as a "resin coil carrier." As shown in Fig. As shown in Figure 6, the electrical insulating body 70 has a first insulating part 71, a second insulating part 72 and a third insulating part 73.

[0066] In the present embodiment, the electrical insulating body 70 is formed by overmolding. More precisely, a resin material is introduced into a mold for the electrical insulating body 70, with the stator core 80 being arranged at an inner part of the electrical insulating body 70, and the resin material is cured. As a result, the electrical insulating body 70 is formed in a state in which the stator core 80 is arranged at the inner part of the electrical insulating body 70 and the first insulating part 71, the second insulating part 72, and the third insulating part 73 are integrally formed.

[0067] The second insulating part 72 is arranged on the second side Z2 in the axial direction of the stator core 80. The second insulating part 72 has a second outer wall part 722, a second drum part 724 and a second inner wall part 726.

[0068] The second outer wall section 722 is arranged at an end section on the second side Z2 in the axial direction of the yoke 82. The second outer wall section 722 is a plate-shaped component that extends to the second side Z2 in the axial direction.

[0069] The second inner wall section 726 is arranged at the end section on the second side Z2 in the axial direction of the tooth end section 844. The second inner wall section 726 is a plate-shaped component that extends to the second side Z2 in the axial direction and is arranged opposite the second outer wall section 722. It should be noted that the shape of the second inner wall section 726 is essentially the same as the shape of a first inner wall section 716.

[0070] The second drum section 724 is arranged at an end section on the second side Z2 in the axial direction of the tooth base section 842. The second drum section 724 extends along the radial direction DY and is connected to the second outer wall section 722 and the second inner wall section 726. The second drum section 724 electrically insulates an end section on the second side Z2 in the axial direction of the stator core 80 from the stator winding 90.

[0071] The third insulating part 73 is connected between the first insulating part 71 and the second insulating part 72. The third insulating part 73 has an inner wall part 732, a side wall part 734, and an end part 736. The inner wall part 732 is arranged such that it faces the inner circumferential surface of the yoke 82 and covers the inner circumferential surface of the yoke 82. The side wall part 734 is arranged such that it faces a side surface on the first side X1 in the circumferential direction of the tooth base part 842 and a side surface on the second side X2 in the circumferential direction of the tooth base part 842, and covers the side surface on the first side X1 in the circumferential direction of the tooth base part 842 and the side surface on the second side X2 in the circumferential direction of the tooth base part 842.The end part 736 is arranged such that it faces an inner circumferential surface on the outer side Y1 in the radial direction of the first flange 844F1 and an inner circumferential surface on the outer side Y1 in the radial direction DY of the second flange 844F2, and covers the inner circumferential surface on the outer side Y1 in the radial direction DY of the first flange 844F1 and the inner circumferential surface on the outer side Y1 in the radial direction DY of the second flange 844F2.

[0072] The first insulating part 71 is arranged on the first side Z1 in the axial direction of the stator core 80. The first insulating part 71 has first outer wall parts 712, first drum parts 714, and first inner wall parts 716. The first insulating part 71 has several of the first drum parts 714 and several of the first inner wall parts 716 corresponding to the number of teeth 84.

[0073] The first inner wall section 716 is arranged at an end section on the first side Z1 in the axial direction of the tooth end section 844. The first inner wall section 716 is a plate-shaped component that extends axially to the first side Z1 and is designed to be opposite the first outer wall section 712. The first inner wall section 716 is an example of an "inner wall section".

[0074] In the present embodiment, the lengths of the first inner wall sections 716 in the axial direction DZ are all the same. An end section 736 on the first side Z1 in the axial direction of the first inner wall section 716, with a maximum length in the axial direction DZ of the first inner wall section 716, is also referred to as the "inner apex section 716T". It should be noted that if the several first inner wall sections 716 are provided with different lengths in the axial direction DZ, the "inner apex section 716T" designates an end section 736 with the maximum length in the axial direction DZ of the first inner wall section 716, which is in contact with a bottom section 528 of the supporting component 50, which is described below.

[0075] The first drum section 714 is arranged at an end section 736 on the first side Z1 in the axial direction of the tooth base section 842. The first drum section 714 extends along the radial direction DY and connects the first outer wall section 712 and the first inner wall section 716. The first drum section 714 electrically insulates an end section on the first side Z1 in the axial direction of the stator core 80 from the stator winding 90. The first drum section 714 is an example of a "drum section".

[0076] The first outer wall section 712 is arranged at an end section 736 on the first side Z1 in the axial direction of the yoke 82. The first outer wall section 712 is an example of an "outer wall section". The first outer wall section 712 extends along the circumferential direction DX and has a substantially circular ring shape in a plan view. However, the outer wall section can have a shape other than the ring shape, for example, a shape in which part of the first outer wall section 712 is cut out or the first outer wall section 712 is divided into several sections.

[0077] The first outer wall sections 712 have several wall parts with different lengths in the axial direction DZ. More precisely, the first outer wall sections 712 have a bottom wall section 712B, a shortest wall section 712S, a middle wall section 712M, and a longest wall section 712L. It should be noted that the “length in the axial direction DZ” refers to the length from an end section on the second side Z2 in the axial direction to an end section on the first side Z1 in the axial direction in a state of an arrangement on the motor 310. The end section with the longest length in the axial direction DZ of the first outer wall section 712 is also referred to as an “outer apex section 712T”. In the present embodiment, the “length in the axial direction DZ” is also sometimes referred to as a “height”.

[0078] The longest wall section 712L is a section of the first outer wall section 712 in which the length in the axial direction DZ is greatest. It should be noted that the length in the axial direction DZ of the longest wall section 712L is longer than the length in the axial direction DZ of the inner apex section 716T. In the present embodiment, the outer apex section 712T is an end section on the first side Z1 in the axial direction DZ of the longest wall section 712L.

[0079] The shortest wall section 712S is a section in which the length in the axial direction DZ is shortest, of the first outer wall section 712, for which the length in the axial direction DZ is greater than or equal to the length in the axial direction DZ of the first inner wall section 716.

[0080] The bottom wall section 712B is a section of the first outer wall section 712 where the length in the axial direction DZ is less than the length in the axial direction DZ of the first inner wall section 716. Several bottom wall sections 712B with different heights can be formed, as long as the bottom wall section 712B is lower than the first inner wall section 716.

[0081] The middle wall section 712M is a section that is longer than the axial length DZ of the shortest wall 712 and shorter than the axial length DZ of the longest wall section 712L. It should be noted that the axial length DZ of the middle wall section 712M is greater than or equal to the axial length DZ of the first inner wall section 716. The middle wall section 712M can be formed with multiple heights, as long as the middle wall section 712M is taller than the shortest wall section 712S and shorter than the longest wall section 712L.

[0082] A groove 712R along the circumferential direction DX is formed in a wall surface on the outer side Y1 in the radial direction of the first outer wall part 712, that is, in an outer circumferential surface 712W of the first outer wall part 712. The width and depth of the groove 712R correspond to the width and depth of the individual conductor wire section that forms the stator winding 90. The groove 712R receives the individual conductor wire section.

[0083] The number of slots 712R is determined based on the wiring path of the conductor wire section formed in the stator 100. In the present embodiment, the maximum number of slots 712R arranged in the axial direction DZ is three, and the slots 712R are formed in the outer circumferential surface 712W of the longest wall section 712L with equal intervals between them and parallel to each other. The conductor wire sections, corresponding to a U-phase, a V-phase, and a W-phase, are accommodated in the three slots 712R. Two of the slots 712R are formed in the outer circumferential surface 712W of the middle wall section 712M, and one of the slots 712R is formed in the outer circumferential surface 712W of the shortest wall section 712S.

[0084] The groove 712R electrically insulates the conductor wire portion arranged in the groove 712R from other conductive components, including the conductor wire portion arranged in another of the grooves 712R, a winding portion, and the like. The length of the groove 712R in the radial direction DY (the depth of the groove 712R) is preferably deep, to improve the insulating properties. Furthermore, the distance between adjacent grooves 712R is preferably long, also to improve the insulating properties. For example, by arranging the conductor wire portion in the groove 712R, it is possible to omit an insulating material for covering the conductor wire portion for electrical insulation with respect to other conductive components, such as an insulating sleeve used in the prior art, or the like.Thus, the conductor wire section can be electrically insulated using a simpler configuration than in the prior art. Furthermore, the number of components of the stator 100 can be reduced. In addition, by omitting the insulating material in the first insulating section 71, a region in which the connecting component 52 and the supporting component 50 can be arranged can be widened.

[0085] One end of the stator winding 90 extends from the winding section further to the outer side Y1 in the radial direction as the first outer wall section 712 and is received in the slot 712R on the outer circumferential surface 712W. The end of the stator winding 90 located in the slot 712R forms part of the "lead wire section." The stator winding 90 is arranged in the slot 712R according to the wiring path, which is predetermined. The lead wire section located in the slot 712R is guided to the first side Z1 in the axial direction DZ in the support component 50, as described below.

[0086] As described above, in the motor 310 according to the present embodiment, by arranging the stator winding 90 in the groove 712R formed in the outer circumferential surface 712W of the first outer wall section 712, it is possible to suppress or prevent the conductor wire section from being located further on the inner side Y2 in the radial direction DY than the first outer wall section 712. Thus, the region in which each of the components, for example the connecting component 52 and the support component 50, can be arranged can be widened further on the inner side Y2 in the radial direction than the first outer wall section 712. In this way, for example, the bottom part 528 of the connecting component 52 can readily be arranged in a region further on the second side Z2 in the axial direction than the outer apex part 712T.

[0087] As in Fig. As shown in Figure 6, in the present embodiment the first insulating part 71 further comprises a flange 719. The flange 719 is a plate-shaped component that extends from an end part on the second side Z2 in the axial direction of the first outer wall part 712 to the outer side Y1 in the radial direction. In other words, the flange 719 extends further along the outer side Y1 in the radial direction than the outer circumferential surface 712W of the first outer wall part 712. The flange 719 is arranged such that it faces an end part of the yoke 82 on the outer side Y1 in the radial direction DY. The flange 719 supports an outer circumferential wall part 56, which is contained within the supporting component 50, as described below.

[0088] In the present embodiment, the flange 719 has a substantially circular ring shape extending in the circumferential direction DX and is formed around the entire circumference of an outer circumferential edge of the first insulating part 71. However, the flange 719 can have a shape other than the ring shape. For example, part of the flange 719 can be cut out. Several flanges 719 can be formed in the outer circumferential edge of the first insulating part 71.

[0089] In the present embodiment, the first insulating part 71 further comprises an engagement part 718. As described below, the engagement part 718 is designed to engage the supporting part 50 and the first insulating part 71. The engagement part 718 is an example of a "second engagement part." In the present embodiment, the engagement part 718 serves to engage the supporting part 50 with the first insulating part 71. It should be noted that the engagement part 718 can be designed to engage the connecting part 52 with the first insulating part 71, instead of or in addition to the supporting part 50.

[0090] As in Fig. As shown in Figure 6, in the present embodiment the engagement part 718 is formed on the outer apex parts 712T of the first outer wall parts 712. In the Fig. In the example shown in Figure 6, the engagement parts 718 are formed at four locations on the outer apex parts 712T at substantially equal intervals from one another. However, the configuration is not limited to the four engagement parts 718, and the number of engagement parts 718 can be any desired number, for example, one, two, or more. A.5 Configuration of the connecting component 52 and the supporting component 50

[0091] The configuration of the connecting component 52 and the supporting component 50 in the motor 310 according to the present embodiment is described with reference to Fig. 7 to Fig. 16 described. Fig. Figure 7 is a top view showing the configuration of the connecting component 52 and the supporting component 50. Fig. Figure 8 is a perspective view showing the configuration of the connecting component 52 and the supporting component 50. The connecting component 52 and the supporting component 50 can, for example, be made of the same material as the electrical insulating body 70.

[0092] As in Fig. 7 and Fig. As shown in Figure 8, the connecting component 52 comprises the base part 528 and several side wall parts 526, which extend from the base part 528 to the first side Z1 in the axial direction. The base part 528 is a wall surface on the second side Z2 in the axial direction of the connecting component 52. Inclined (angled) parts 526T are formed on the first side Z1 in the axial direction DZ of the side wall parts 526 and are inclined at a predetermined angle with respect to the base part 528.

[0093] The connection compartments 52S are defined by the multiple side wall parts 526 and the bottom part 528. In the present embodiment, the connection compartments 52S have three connection compartments 521, 522 and 523 corresponding to each of the U-phase conductor wire part, the V-phase conductor wire part and the W-phase conductor wire part.

[0094] As in Fig. 7 and Fig. As shown in Figure 8, the supporting component 50 is a structural body connected to the connecting component 52. As described below, the supporting component 50 is designed to attach the connecting component 52 to the stator 100 or to ensure that the connecting component 52 is stably supported on the stator 100 by making contact with several points on the stator 100 (more precisely, the first insulating part 71). In the present embodiment, the supporting component 50 is integrally formed with the connecting component 52 by means of resin molding or the like. It should be noted that the supporting component 50 and the connecting component 52 can be formed separately from one another and subsequently joined by a desired method such as welding, gluing, bonding, or the like. The supporting component 50 includes a bridge component 54, a conductor wire receptacle 55, the outer circumferential wall part 56, an inner circumferential wall part 58 and a connection connection receptacle 59.

[0095] The bridge component 54 connects the connecting component 52 to at least one of the components of the supporting component 50. In the present embodiment, the bridge component 54 connects the connecting component 52 to the conductor wire receptacle 55, the outer circumferential wall section 56, the inner circumferential wall section 58, and the wire connection terminal receptacle 59. By connecting the components of the supporting component 50 that are in contact with the stator 100 to the connecting component 52 via the bridge component 54, the supporting component 50 can be used to fasten the connecting component 52 to the stator 100 or to ensure that the connecting component 52 is stably supported by the stator 100. It should be noted that if the connecting component 52 is supported directly by the stator 100, the bridge component 54 can be omitted.

[0096] In the present embodiment, the bridge component 54 comprises first bridge components 541 extending in the radial direction DY and a second bridge component 542 extending in the circumferential direction DX. The bridge component 54 is formed in a grid shape with openings 543 formed by the first bridge components 541 and the second bridge component 542. Forming the openings 543 improves the flow rate of the coolant passing through the motor 310. Furthermore, it reduces the amount of material used to form the supporting component 50.

[0097] The configurations of the conductor wire receptacle 55 and the wire connection terminal receptacle 59 are described with reference to Fig. 9 to Fig. 11 in addition to Fig. 7 and Fig. 8 described. Fig. Figure 9 is an explanatory view showing an arrangement method of the lead wire part and the wire connection part of the stator winding 90.

[0098] As in Fig. 7 to Fig. As shown in Figure 9, the conductor wire receptacle 55 receives the conductor wire section pulled out of the stator 100. For example, the conductor wire receptacle 55 is designed to suppress or prevent an electrical short circuit between the conductor wire section and other components such as the winding section or other conductor wire sections. Furthermore, since the connecting component 52 and the outer circumferential wall section 56, the inner circumferential wall section 58 and the wire connection receptacle 59 of the supporting component 50 are connected to each other, the conductor wire receptacle 55 also serves as the bridge component 54.

[0099] In Fig. Figure 9 shows a U-phase conductor section 91p, a V-phase conductor section 92p, and a W-phase conductor section 93p. The connecting terminals 94, used for connection to the conductive terminals 342 of the power supply circuit 340, are located at the outermost ends of the conductor sections 91p, 92p, and 93p. In this description, unless a distinction is made between the conductor sections 91p, 92p, and 93p, they are collectively referred to as a 'conductor section 90p' or the 'conductor sections 90p'.

[0100] As in Fig. As shown in Figures 7 to 9, the conductor wire holder 55 has insertion holes 551H, 552H and 553H and grooves 551, 552 and 553. The insertion holes 551H, 552H and 553H are through holes for guiding the conductor wire sections 91p, 92p and 93p from the stator 100 to the first side Z1 in the axial direction of the support component 50. Each of the insertion holes 551H, 552H and 553H is connected via the grooves 551, 552 and 553 to the respective connection spaces 521, 522 and 523 of the connecting component 52.

[0101] The conductor wire sections 91p, 92p, and 93p, which are guided through the insertion holes 551H, 552H, and 553H to the first side Z1 in the axial direction of the supporting component 50, are received in the grooves 551, 552, and 553. The conductor wire sections arranged in the grooves 551, 552, and 553 of the conductor wire receptacle 55 are electrically insulated from other conductive components, including conductor wire sections arranged in other grooves, the winding section, and the like. The length of the conductor wire receptacle 55 in the axial direction DZ (the depth of the grooves 551, 552, and 553) is preferably deep to improve the insulating properties. Furthermore, the distance between adjacent grooves is preferably long to improve the insulating properties.By arranging the conductor wire sections in the grooves 551, 552, and 553 of the conductor wire receptacle 55, insulating material covering the conductor wire section for electrical insulation from other conductive components can be omitted. Thus, the conductor wire section can be electrically insulated using a simpler configuration than in the prior art. The connecting terminals 94, located at the outermost ends of the conductor wire sections 91p, 92p, and 93p, are arranged in the connection spaces 521, 522, and 523.

[0102] As in Fig. As shown in Figure 9, the wire connection receptacle 59 has an insertion hole 590, grooves 591, 592 and 593 and a recess 594. Fig. Figure 9 shows a U-phase wire connection 91q, a V-phase wire connection 92q, and a W-phase wire connection 93q, which are the other ends of the stator winding 90. The wire connections 91q, 92q, and 93q are electrically connected to form the neutral point. The wire connection forming the neutral point is also referred to as a "neutral point connection" or "connected to the neutral point." In the following description, unless a distinction is made between the wire connections 91q, 92q, and 93q, they are collectively referred to as a "wire connection 90q" or the "wire connections 90q."

[0103] The insertion hole 590 is a through-hole for guiding the wire connectors 91q, 92q, and 93q from the stator 100 to the first side Z1 in the axial direction DZ of the support component 50. The insertion hole 590 is connected to the grooves 591, 592, and 593. The wire connectors 91q, 92q, and 93q, which are guided through the insertion hole 590 to the first side Z1 in the axial direction of the support component 50, are received in the grooves 591, 592, and 593 in a state in which they pass through the recess 594. The wire connectors 91q, 92q, and 93q, which are arranged in the recess 594, are connected by a wire connector terminal 60 as the neutral point.

[0104] The slots 591, 592, and 593 electrically insulate the wire connection parts arranged in one of the slots 591, 592, and 593 from other conductive components, including the lead wire parts arranged in the other slots, the winding part, and the like. The length in the axial direction DZ of the slots 591, 592, and 593 (the depth of the slots 591, 592, and 593) is preferably deep to improve insulating properties. Furthermore, the distance between adjacent slots 591, 592, and 593 is preferably long to improve insulating properties. Because the wire connection parts are arranged in the slots 591, 592, and 593, insulating material for covering the wire connection part can be omitted to provide electrical insulation from other conductive components. Thus, the wire connection part can be electrically isolated using a simpler configuration than in the prior art.

[0105] Fig. Figure 10 is a perspective view showing the configuration of the wire connection terminal 60. The wire connection terminal 60 is also referred to as a MAG-MATE terminal. The wire connection terminal 60 has a main body 64 and terminal insertion parts 61, 62, and 63. The terminal insertion parts 61, 62, and 63 are slots formed in the main body 64, and the wire connection parts 91q, 92q, and 93q are inserted through the terminal insertion parts 61, 62, and 63.

[0106] Fig. Figure 11 is an explanatory view showing wire connection parts 91q, 92q, and 93q connected using wire connection terminal 60 as the neutral point. As shown in Fig. As shown in Figure 11, the wire connection terminal 60 is inserted into the recess 594 in a state where the wire connection parts 91q, 92q, and 93q are arranged over the recess 594 in the grooves 591, 592, and 593. When the wire connection terminal 60 is inserted into the recess 594, the wire connection parts 91q, 92q, and 93q are inserted into the terminal insertion parts 61, 62, and 63. The wire connection terminal 60 is deformed by pressure at the time of insertion and penetrates a membrane, for example, an insulating material, formed on the surfaces of the wire connection parts 91q, 92q, and 93q. Consequently, the wire connection parts 91q, 92q, and 93q are electrically connected via the wire connection terminal 60 and connected as the neutral point. The neutral point can be formed by the simple procedure using the wire connection terminal 60.Furthermore, the wire connection parts 91q, 92q and 93q can be attached to the stator 100 by arranging the neutral point in the wire connection connection receptacle 59 of the support component 50 or arranged in a stable state on the stator 100.

[0107] The specific configuration of the outer perimeter wall section 56 is described with reference to Fig. 12 and Fig. 13 in addition to Fig. 8 described. Fig. Figure 12 is a perspective view showing the configuration of the outer perimeter wall section 56. As in Fig. As shown in Figure 12, the outer perimeter wall part 56 has a main body 560, an outer perimeter wall flange 562 and an outer perimeter wall projection 564.

[0108] As in Fig. As shown in Figure 8, the main body 560 is a plate-shaped component extending in the circumferential direction DX. One surface direction of the main body 560 is configured to be substantially parallel to the axial direction DZ. Furthermore, the main body 560 is arranged around the entire circumference of a circumferential edge on the outer side Y1 in the radial direction DY of the supporting component 50. In other words, in the present embodiment, the main body 560 has a substantially circular ring shape. However, the main body 560 need not necessarily have the ring shape, and a portion of the main body 560 may, for example, be cut out. Furthermore, several of the main bodies 560 can be arranged at multiple positions on the circumferential edge on the outer side Y1 in the radial direction of the supporting component 50.

[0109] The main body 560 is connected to the connecting component 52 via the bridge component 54. The main body 560 can also be directly connected to the connecting component 52. In this way, "is connected to the connecting component 52" can encompass a state in which a component contained in the load-bearing component 50 is directly connected to the connecting component 52, and a state in which a component contained in the load-bearing component 50 is indirectly connected to the connecting component 52 via another component contained in the load-bearing component 50, for example, the bridge component 54.

[0110] The main body 560 is positioned further along the outer side Y1 in the radial direction than the first outer wall section 712 of the first insulating section 71. An inner circumferential surface on the inner side Y2 in the radial direction of the main body 560 faces the outer circumferential surface 712W of the first outer wall section 712. In other words, the main body 560 is positioned to cover the outer circumferential surface 712W. By using this configuration, the conductor wire sections 90p, which are arranged in the grooves 712R of the outer circumferential surface 712W, can be electrically isolated from other conductive components. More precisely, the occurrence of an electrical short circuit or flashover between the conductor wire sections 90p and conductive components contained in the compressor 300, such as wall surfaces of the motor chamber 303 or other conductive components contained in the motor 310, can be suppressed or prevented.

[0111] As in Fig. As shown in Figure 12, the outer circumferential wall flange 562 is continuous with an end face on the first side Z1 in the axial direction of the main body 560. The outer circumferential wall flange 562 projects from the main body 560 to the inner side Y2 in the radial direction DY and is designed to extend along the circumferential direction DX. The outer circumferential wall flange 562 is designed to project further towards the first side Z1 in the axial direction than other parts of the main body 560.

[0112] Fig. 13 is a cross-sectional view of position XIII-XIII in Fig. 12. In the present embodiment, the outer circumferential wall section 56 is configured to be in contact with an end section on the first side Z1 in the axial direction of the first insulating section 71. More precisely, the outer circumferential wall section 56 is configured to be in contact with the outer apex section 712T of the longest wall section 712L and with the flange 719 of the first insulating section 71.

[0113] As in Fig. As shown in Figure 13, an end part 56B on the second side Z2 of the outer circumferential wall part 56 is configured to be in contact with an end part on the first side Z1 in the axial direction of the flange 719. By using this configuration, the circumferential edge part on the outer side Y1 can be supported in the radial direction of the supporting component 50 using the first insulating part 71. Thus, movement of the supporting component 50 in the axial direction DZ is limited, and the connecting component 52 and the supporting component 50 can be arranged in a stable state on the stator 100.

[0114] As in Fig. As shown in Figure 13, the outer circumferential wall flange 562 extends to the inner side Y2 in the radial direction and further to the first side Z1 in the axial direction as the outer apex portion 712T. A wall surface on the second side Z2 in the axial direction of the outer circumferential wall flange 562 is configured to be in contact with the outer apex portion 712T of the longest wall portion 712L. By using this configuration, the circumferential edge on the outer side Y1 in the radial direction DY of the supporting component 50 can be supported by the first insulating component 71. Thus, movement of the supporting component 50 in the axial direction DZ is limited, and the connecting component 52 and the supporting component 50 can be arranged in a stable state on the stator 100.

[0115] As in Fig. As shown in Figure 13, the outer circumferential wall flange 562 is further configured to engage with the engagement part 718 of the first insulating part 71. The outer circumferential wall flange 562 is an example of a "first engagement part". The engagement part 718 has a so-called snap-fit ​​structure. The engagement part 718 has a base part 718B and a nail part 718N.

[0116] The base part 718B projects axially from the outer apex part 712T to the first side Z1. The nail part 718N projects radially from an outermost end of the base part 718B to the outer side Y1. During assembly of the supporting component 50 with the first insulating part 71, the outer circumferential wall flange 562 moves towards the outer apex part 712T. The outer circumferential wall flange 562 comes into contact with the base part 718B, and the base part 718B moves back towards the inner side Y2 in the radial direction as a result of this elastic force. When the outer circumferential wall flange 562 is moved to a position in contact with the outer apex part 712T, the base part 718B returns to its original position, and the outer circumferential wall flange 562 is engaged between the outer apex part 712T and the nail part 718N.In this way, the movement of the main body 560 in relation to the first insulating part 71 in the axial direction DZ and the movement of the main body 560 in the radial direction DY are limited by the engagement between the outer circumferential wall flange 562 and the engagement part 718, and the connecting part 52 and the supporting part 50 can be arranged in the stable state on the stator 100.

[0117] As in Fig. As shown in Figure 12, the outer wall projection 564 extends from an end part on the first side Z1 in the axial direction of the main body 560 to the inner side Y2 in the radial direction. The outer wall projection 564 is configured to extend along the circumferential direction DX on a wall surface on the inner side Y2 in the radial direction DY of the main body 560. The outer wall projection 564 is configured to lie in the same plane as an end surface on the first side Z1 in the axial direction DZ of the main body 560. It should be noted that the end surface on the first side Z1 in the axial direction DZ of the main body 560 is configured to lie in the same plane as the outer apex 712T of the longest wall section 712L.

[0118] Of the first outer wall sections 71, one of the longest wall sections 712L is defined as a first longest wall section 712L1, and the longest wall section 712L adjacent to the first longest wall section 712L1 on the first side Z1 in the circumferential direction is defined as a second longest wall section 712L2. Between the first longest wall section 712L1 and the second longest wall section 712L2, an outer wall recess 712V is defined, which has a shape recessed towards the second side Z2 in the axial direction. A width of the outer wall projection 564 in the circumferential direction DX is designed to correspond to a width of the outer wall recess 712V in the circumferential direction DX. Thus, the outer wall projection 564 is designed to fit into the outer wall recess 712V when the outer wall projection 564 is in contact with the first outer wall part 712.As a result of the fitting of the outer wall projection 564 into the outer wall recess 712V, the movement of the supporting component 50 in the circumferential direction DX is limited, and the connecting component 52 and the supporting component 50 can be arranged in the stable state on the stator 100.

[0119] The specific configuration of the inner perimeter wall section 58 is described with reference to Fig. 14 and Fig. 15 in addition to Fig. 8 described. Fig. Figure 14 is a perspective view showing the configuration on the second side Z2 in the axial direction DZ of the supporting component 50. Fig. 15 is a cross-sectional view of position XV-XV in Fig. 7.

[0120] As in Fig. 8 and Fig. As shown in Figure 14, the inner circumferential wall section 58 is a plate-shaped component extending in the circumferential direction DX. One surface direction of the inner circumferential wall section 58 is designed to be substantially parallel to the axial direction DZ. The inner circumferential wall section 58 is connected to the connecting component 52, the conductor wire receptacle 55, and the wire connection terminal receptacle 59, and is connected to the outer circumferential wall section 56 via the bridge component 54.

[0121] As in Fig. 14 and Fig. As shown in Figure 15, an end part 58B on the second side Z2 in the axial direction DZ of the inner circumferential wall part 58 is configured to lie in the same plane as the bottom part 528 of the connecting part 52 and a bottom part 59B of the wire connection receptacle 59. The inner circumferential wall part 58 is arranged over the entire circumference of a circumferential edge on the inner side Y2 in the radial direction of the supporting part 50, except for regions where the connecting part 52 and the wire connection receptacle 59 are formed. It should be noted that the inner circumferential wall part 58 need not necessarily extend over the entire circumference of the circumferential edge on the inner side Y2 in the radial direction DY, and a portion of the inner circumferential wall part 58 may, for example, be cut out.Furthermore, several of the inner circumferential wall parts 58 can be formed at several positions on the circumferential edge on the inner side Y2 in the radial direction of the supporting component 50.

[0122] In the present embodiment, the end part 58B is arranged on the second side Z2 in the axial direction of the inner circumferential wall part 58 such that it is in contact with the inner apex part 716T of the first inner wall part 716, as described below. By using this configuration, an inner circumferential edge on the inner side Y2 in the radial direction of the supporting part 50 can be supported by the first insulating part 71. Thus, the movement of the supporting part 50 in the axial direction DZ is limited, and the connecting part 52 and the supporting part 50 can be arranged in a stable state on the stator 100. It should be noted that not necessarily the entire end part 58B has to be in contact with the inner apex part 716T, and only a portion of the end part 58B may be in contact with the inner apex part 716T. A6. Arrangement configuration of the connecting component 52

[0123] The arrangement configuration of the connecting component 52 is described in relation to Fig. 16 described. Fig. 16 is a cross-sectional view of position XVI-XVI in Fig. 2. As in Fig. As shown in Figure 16, the connecting element 52 is configured to be located further on the inner side Y2 in the radial direction than the outer apex part 712T of the first outer wall part 712. Thus, the connecting element 52 is more easily positioned further on the second side Z2 in the axial direction than the first insulating part 71. It should be noted that "further on the inner side Y2 in the radial direction than the first outer wall part 71" refers to a position further on the inner side Y2 in the radial direction than a wall surface on the inner side Y2 in the radial direction of the first outer wall part 712.In the following description, when a position of the bottom part 528 of the connecting part 52 is shown, a wall surface on the second side Z2 in the axial direction of the bottom part 528 is also simply referred to as the “bottom part 528”, and when a position of the bottom part 59B of the wire connection receptacle 59 is shown, a wall surface on the second side Z2 in the axial direction of the bottom part 59B is also simply referred to as the “bottom part 59B”.

[0124] In the present embodiment, instead of arranging the conductor wire sections 90p further on the inner side Y2 in the radial direction than the first outer wall section 712, a region for arranging the connecting element 52 is formed by arranging the conductor wire sections 90p in the grooves 712R, which are on the outer side Y1 in the radial direction of the first outer wall section 712. This region extends further on the inner side Y2 in the radial direction than the first outer wall section 712 and further on the second side Z2 in the axial direction DZ than the outer apex section 712T. According to the motor 310 configured in this way, in the region further on the inner side Y2 in the radial direction than the first outer wall section 712, the connecting element 52 is easily arranged further on the second side Z2 in the axial direction than the outer apex section 712T.Thus, in comparison to a case in which the connecting component 52 is arranged on the end part on the first side Z1 in the axial direction of the first insulating part 71, the length of the motor 310 in the axial direction DZ can be shortened.

[0125] In the present embodiment, the bottom part 528 of the connecting component 52 is fixed in a state in which the bottom part 528 has been lowered to a position where it is in contact with the inner apex part 716T of the first inner wall part 716. Thus, compared to a case in which the bottom part 528 is arranged further on the first side Z1 in the axial direction than the outer apex part 712T of the first insulating part 71, the length of the motor 310 in the axial direction DZ can be significantly reduced.

[0126] Furthermore, the base part 528 of the connecting component 52, as described above, is designed to lie in the same plane as the end part 58B on the second side Z2 in the axial direction of the inner circumferential wall part 58 and the base part 59B of the wire connection receptacle 59. Thus, by arranging the base part 528 of the connecting component 52 in the position in contact with the inner apex part 716T of the first inner wall part 716, the connecting component 52 can be supported by the electrical insulating body 70 via several contact points, including the end part 58B of the inner circumferential wall part 58 and the base part 59B of the wire connection receptacle 59. This allows the connecting component 52 to be arranged in a more stable state on the electrical insulating body 70. A.7 Configuration of the cover component 40

[0127] The configuration of the cover component 40 is described with reference to Fig. 17 and Fig. 18 described. Fig. Figure 17 is a perspective view showing the external configuration of the cover component 40. The cover component 40 is arranged on the first side Z1 in the axial direction of at least one part of the support component 50 and on the first side Z1 in the axial direction of the connecting component 52. The cover component 40 protects the conductor wire sections 90p, which are arranged in the connection spaces 52S of the connecting component 52, the conductor wire sections 90p, which are arranged in the grooves 551, 552 and 553, and the wire connection sections 90q, which are arranged in the wire connection receptacle 59, and the like, from the outside atmosphere and the like. Furthermore, the cover component 40 electrically insulates the conductor wire sections 90p and the wire connection sections 90q from the compressor 300 and other components of the motor 310.

[0128] The cover component 40 is connected to the connecting component 52 and the supporting component 50, for example, in a state in which the conductor wire parts 90p and the wire connecting parts 90q are arranged. The cover component 40 is connected to the connecting component 52 and the supporting component 50 by a method such as welding, gluing, or the like. In the present embodiment, the cover component 40 is connected to the connecting component 52 and the supporting component 50 by laser welding. The cover component 40 has a first cover part 44, a second cover part 46, and a third cover part 48.

[0129] The third cover part 48 is arranged on the first side Z1 in the axial direction of the wire connection receptacle 59. The third cover part 48 protects the wire connection parts 91q, 92q and 93q and the wire connection terminal 60, which is arranged in the wire connection receptacle 59. The third cover part 48 serves as a “wire connection terminal cover part”.

[0130] The second cover part 46 is arranged on the first side Z1 in the axial direction of the conductor wire receptacle 55. The second cover part 46 is essentially plate-shaped and is arranged so that it faces the conductor wire receptacle 55. The second cover part 46 protects the conductor wire parts 91p, 92p, and 93p, which are received in the grooves 551, 552, and 553. The second cover part 46 is an example of a "conductor wire cover part".

[0131] The first cover part 44 is arranged on the first side Z1 in the axial direction of the connecting component 52. The first cover part 44 is arranged correspondingly to the bottom part 528 of the connecting component 52 and covers the first side Z1 in the axial direction of the connection spaces 521, 522 and 523. The first cover part 44 is an example of a "connecting component cover part".

[0132] The openings 42 for inserting the conductive connections 342 into the connection spaces 52S are formed in the first cover part 44. In the present embodiment, the openings 42 have openings 421, 422 and 423 corresponding to the respective grooves 551, 552 and 553. The conductive connections 342, which correspond to the conductor wire parts 91p, 92p and 93p respectively, are inserted into the openings 421, 422 and 423.

[0133] In the present embodiment, inclined (sloping) parts 442 are formed on the first cover part 44. The inclined parts 442 are formed between the openings 421, 422, and 423 of the first cover part 44 and the second cover part 46. The shape of the inclined parts 442 corresponds to the shape of the inclined parts 526T of the side wall part 526. More precisely, the inclined parts 442 are designed similarly to the inclined parts 526T, such that they are inclined at a predetermined angle with respect to the bottom part 528.

[0134] Fig. Figure 18 is a side view of the cover component 40. More precisely, the cover component 40 is in Fig. 18 in a state from the outer side Y1 in the radial direction to the inner side Y2 in the radial direction, in the direction of an arrow FC pointing in Fig. 17 is shown, viewed as shown. Fig. Figure 18 shows a virtual line 528L, which has a surface direction of the bottom part 528 of the connecting part 52, and an inclination angle R1 of the inclined part 442 with respect to the virtual line 528L. The inclination angle R1 can be set arbitrarily. In the present embodiment, the inclination angle R1 is predetermined to be a suitable angle for laser welding.

[0135] To better understand the technology, it shows Fig. Figure 18 schematically shows a laser oscillator LC, which is used to perform laser welding on the cover component 40, and laser light LS emitted by the laser oscillator LC. The laser oscillator LC is arranged, for example, with respect to the connecting component 52, the supporting component 50, and the cover component 40 on the first side Z1 in the axial direction DZ and shines the laser light LS onto a boundary between the connecting component 52 and the supporting component 50 with the cover component 40. Consequently, the connecting component 52 and the supporting component 50 are joined to the cover component 40.

[0136] As a comparative example, a configuration of the cover component that does not have the inclined part 442 is shown by a dotted line. If the inclined part 442 is not formed, as in Fig. As shown in Figure 18, for example, the first cover part 44 has a wall surface 442R with a substantially right-angled shape between the opening 42 and the second cover part 46. In the case of the Fig. In the example shown in Figure 18, the wall surface 442R is essentially parallel to the axial direction DZ. In this case, because the angle between an incident direction of the laser light LS and a surface direction on the wall surface 442R becomes small, it can be difficult to direct the laser light LS across the entire wall surface 442R. Therefore, there is a possibility that a defect could occur during laser welding of the wall surface 442R and the connecting component 52.

[0137] In contrast, in the present embodiment, the inclination angle R1 of the inclined part 442 with respect to the base part 528 is designed to be approximately 30 degrees. This increases the angle between the direction of incidence of the laser light LS and the inclined part 442. Therefore, it becomes easier to direct the laser light LS emitted by the laser oscillator LC across the entire inclined part 442. Consequently, the occurrence of a defect during laser welding of the connecting component 52 and the cover component 40 can be suppressed or prevented.

[0138] The tilt angle R1 is not limited to 30 degrees and can be set within a desired angular range suitable for laser welding. However, setting the tilt angle R1 to an angle greater than or equal to 15 degrees reduces the distance between the first cover part 44 and the second cover part 46, and can suppress or prevent an increase in size in the circumferential direction DX or the radial direction DY of the connecting part 52 and the supporting part 50. Furthermore, if the tilt angle R1 is set to an angle greater than 45 degrees, the angle between the incident direction of the laser light LS and the surface direction of the inclined part 442 becomes smaller, and it may therefore be difficult to direct the laser light LS across the entire inclined part 442.In this case, the cover component 40 is preferably joined to the connecting component 52 and the supporting component 50 using a method different from laser welding. As explained above, the inclination angle R1 is preferably set in a range of 15 degrees to 45 degrees. A8. Effects

[0139] As described above, according to the motor 310 of the present embodiment, the bottom part 528 of the connecting part 52 is arranged in a position in contact with the inner apex part 716T of the first inner wall part 716. The connecting part 52 can be arranged further along the second side Z2 in the axial direction than the outer apex part 712T. Thus, compared to a case where, as in the prior art, the connecting part 52 is arranged further along the first side Z1 in the axial direction than the outer apex part 712T of the first insulating part 71, the connecting part 52 can be arranged more efficiently, and the length of the motor 310 in the axial direction DZ can be shortened. Furthermore, the length in the axial direction DZ of the motor chamber 303 of the compressor 300 can be shortened, and the compressor 300 can be made smaller.

[0140] According to the motor 310 in the present embodiment, as in Fig. As shown in Figure 15, the end part 58B of the inner circumferential wall part 58 is configured to lie in the same plane as the bottom part 528 of the connecting part 52 and the bottom part 59B of the wire connection receptacle 59. Each of the end part 58B of the inner circumferential wall part 58, the bottom part 528 of the connecting part 52, and the bottom part 59B of the wire connection receptacle 59 is configured to be in contact with the inner apex part 716T. The connecting part 52 can be supported by the electrical insulating body 70 via the multiple contact points, including the end part 58B of the inner circumferential wall part 58 and the bottom part 59B of the wire connection receptacle 59. Thus, the connecting part 52 can be arranged in a stable state on the electrical insulating body 70, and any wobbling of the connecting part 52 can be suppressed and prevented.For example, even in an environment such as a vehicle where the built-in compressor 300 and the motor 310 are likely to vibrate, the occurrence of a failure of the motor 310 due to vibrations, such as components of the motor 310 falling off due to vibrations or the like, can be suppressed or prevented.

[0141] According to the motor 310 of the present embodiment, the conductor wire sections 90p are arranged further on the outer side Y1 in the radial direction than the first outer wall section 712. Thus, the region in which the connecting element 52 can be arranged can be enlarged in the region further on the inner side Y2 in the radial direction than the first outer wall section 712 and further on the second side Z2 in the axial direction than the outer apex section 712T. The connecting element 52 is more easily arranged in the region further on the second side Z2 in the axial direction than the outer apex section 712T.

[0142] According to the motor 310 of the present embodiment, the first outer wall section 712 has grooves 712R for arranging the conductor wire sections 90p in the outer circumferential surface 712W on the outer side Y1 in the radial direction DY of the first outer wall section 712. This facilitates operation for arranging the conductor wire sections 90p further on the outer side Y1 in the radial direction DY than the first outer wall section 712. Furthermore, by arranging the conductor wire sections 90p in the grooves 712R, the conductor wire sections 90p can be electrically isolated from the conductor wire sections 90p of the other phases, using a simpler configuration than in a mode where the conductor wire sections 90p are provided with insulating material.Furthermore, by omitting the insulating material, the number of components of the stator 100 can be reduced, and the region in which the connecting component 52 can be arranged on the first insulating part 71 can also be enlarged.

[0143] The motor 310 of the present embodiment has a support component 50, which is connected to a connecting component 52. The support component 50 is designed to make contact with the multiple points on the first side Z1 in the axial direction of the stator 100. Using the support component 50, the connecting component 52 can be supported by the electrical insulating body 70 via the multiple contact points. Thus, the connecting component 52 can be arranged in a more stable position on the electrical insulating body 70.

[0144] According to the motor 310 of the present embodiment, the support component 50 has the outer circumferential wall section 56, which is connected to the connecting component 52 and extends in the circumferential direction DX. The outer circumferential wall section 56 is arranged such that it faces the outer circumferential surface 712W on the outer side Y1 in the radial direction DY of the first outer wall section 712, and further along the outer side Y1 in the radial direction than the outer wall section 712. Thus, the conductor wire sections 90p, which are arranged in the outer circumferential surface 712W, can be electrically isolated from other conductive components. Therefore, the occurrence of an electrical short circuit or flashover between the conductor wire sections 90p and conductive components contained in the compressor 300, for example, the wall surfaces of the motor chamber 303 or other conductive components contained in the motor 310, can be suppressed or prevented.

[0145] According to the motor 310 of the present embodiment, the outer circumferential wall section 56 has the outer wall projection 564, which projects radially towards the inner side Y2 and extends in the circumferential direction DX. The first outer wall section 712 has the outer wall recess 712V into which the outer wall projection 564 can be fitted. As a result of the outer wall projection 564 fitting into the outer wall recess 712V, the movement of the main body 560 in the circumferential direction DX is limited, and the connecting element 52 and the support element 50 can be arranged in a stable position on the stator 100. Thus, wobbling of the connecting element 52 and the support element 50 in the circumferential direction DX can be suppressed, and the occurrence of motor 310 failure due to vibration can be suppressed or prevented.

[0146] According to the motor 310 of the present embodiment, the first outer wall section 712 has the engagement section 718, which is designed to engage with the outer circumferential wall section 56. The engagement between the outer circumferential wall section 56 and the engagement section 718 limits the movement of the main body 560 in the axial direction DZ and in the radial direction DY, and the connecting element 52 and the support element 50 can be arranged in a stable position on the electrical insulating body 70. Thus, wobbling of the connecting element 52 and the support element 50 in the axial direction DZ and the radial direction DY is suppressed, and the occurrence of motor 310 failure due to vibration can be suppressed or prevented.

[0147] According to the motor 310 of the present embodiment, the outer circumferential wall section 56 has the outer circumferential wall flange 562, which projects radially towards the inner side Y2 and extends in the circumferential direction DX. The outer circumferential wall flange 562 engages between the nail section 718N and the outer apex section 712T. Since the engagement section 718 has the snap-fit ​​structure, the outer circumferential wall flange 562 and the engagement section 718 can be engaged using a simple method.

[0148] According to the motor 310 of the present embodiment, the end part 58B of the inner circumferential wall part 58 is configured to be in contact with the inner apex part 716T of the inner wall part 732. By using this configuration, the circumferential edge on the inner side Y2 in the radial direction DY of the support part 50 is supported by the first insulating part 71. Thus, wobbling in the axial direction DZ at the inner circumferential edge of the support part 50 is suppressed, and the occurrence of motor 310 failure due to vibration can be suppressed or prevented.

[0149] Furthermore, according to the motor 310 of the present embodiment, the end part 56B of the outer circumferential wall part 56 is also configured to be in contact with the flange 719 of the outer circumferential edge of the first insulating part 71. By using this configuration, the circumferential edge on the outer side Y1 in the radial direction DY of the supporting part 50 is supported by the first insulating part 71. Thus, wobbling in the axial direction DZ at the outer circumferential edge of the supporting part 50 is suppressed, and the occurrence of a failure of the motor 310 due to vibrations can be suppressed or prevented.

[0150] According to the motor 310 of the present embodiment, the inner and outer circumferential edges of the support component 50 are supported by the first insulating element 71. In other words, the entire support component 50 is designed to be supported by the first insulating element 71. Thus, wobbling of the support component 50 in the axial direction DZ is suppressed, and the occurrence of motor 310 failure due to vibrations can be suppressed or more reliably prevented.

[0151] According to the motor 310 of the present embodiment, the support component 50 has the conductor wire receptacle 55, which is designed to guide the conductor wire sections 90p to the connecting component 52. Thus, the conductor wire sections 90p can be arranged in a stable state on the stator 100 using the support component 50.

[0152] According to the motor 310 of the present embodiment, the support component 50 has the wire connection receptacle 59, which is connected to the connecting component 52 and the support component 50 and which is designed to receive the wire connection 60 for forming the neutral point connection of the stator winding 90. The wire connection parts 90q, which form the neutral point connection, and the wire connection 60 are supported by the support component 50. Thus, the wire connection parts 90q can be supported in a stable state on the stator 100.

[0153] According to the motor 310 of the present embodiment, the cover component 40 is provided. The cover component 40 has the openings 42 for inserting the conductive connections 342 and comprises the first cover part 44, which is arranged to face the base part 528, and the second cover part 46, which is designed to face the conductor wire receptacle 55. The conductor wire sections 90p and the wire connecting parts 90q, which are arranged at the support component 50 or the connecting component 52, can be protected from the outside atmosphere and the like by the cover component 40. An electrical short circuit between the conductor wire sections 90p or the wire connecting parts 90q and other conductor components of the compressor 300 of the motor 310 can be suppressed or prevented.Furthermore, since the cover component 40 is designed separately from the support component 50, the conductor wire parts 90p and the wire connection parts 90q can be easily arranged on the support component 50.

[0154] According to the motor 310 of the present embodiment, the first cover part 44 between the openings 42 and the second cover part 46 has inclined parts 442 which are inclined at an angle R1 of approximately 30 degrees with respect to the base part 528. Thus, a defect during laser welding of the cover component 40 and the connecting component 52 can be suppressed or prevented. A9. Modified Examples

[0155] In the first embodiment described above, the example shown is that the base part 528 of the connecting component 52 is arranged in the position in contact with the inner apex part 716T of the first inner wall part 716. In contrast, the base part 528 of the connecting component 52 can be arranged in a position other than the position in contact with the inner apex part 716T. For example, the base part 528 can be attached in any desired position, as long as the position of the base part 528 of the connecting component 52 results in a condition in which the connecting component 52, or at least a part of the supporting component 50 connected to the connecting component 52, is supported by the electrical insulating body 70.

[0156] Fig. Figure 19 is an explanatory view showing a modified example of an arrangement position of the connecting component 52. Fig. Figure 19 schematically shows a cross-sectional configuration of the first side Z1 in the axial direction of the stator 100. It should be noted that the configuration of the respective parts shown in Fig. The figures shown are schematic and do not accurately depict the dimensions and shapes of the respective parts.

[0157] As in Fig. As shown in Figure 19, the bottom part 528 of the connecting part 52 can be positioned at a desired location in a region W1 further on the inner side Y2 in the radial direction than the first outer wall part 712 and in a first region H1 further on the second side Z2 in the axial direction than the outer apex part 712T. According to the motor 310 of this aspect, the connecting part 52 can be positioned further on the second side Z2 in the axial direction than the outer apex part 712T. Thus, compared to a case such as in the prior art, where the connecting part 52 is positioned in a region HR further on the first side Z1 in the axial direction than the outer apex part 712T of the first insulating part 71, the length of the motor 310 in the axial direction DZ can be shortened.

[0158] As in Fig. As shown in Figure 19, in the first region H1, the base part 528 of the connecting part 52 can be arranged in a second region H2, which extends from an end part 90T on the first side Z1 in the axial direction of the winding part to the outer apex part 712T. In this case, the position of the base part 528 can be set independently of the position of the inner apex part 716T based on an arrangement relationship to the winding part. For example, even if the end part 90T on the first side Z1 is arranged further along the axial direction of the winding part than the inner apex part 716T, the length of the motor 310 in the axial direction DZ can be shortened compared to the prior art.

[0159] Furthermore, in the Fig. In the example shown in Figure 19, the end section 90T is arranged on the first side Z1 in the axial direction of the winding section and further on the second side Z2 in the axial direction than the inner apex section 716T. In this case, the bottom section 528 can be arranged in the second region H2 in a region H2S that extends from the end section 90T on the first side Z1 in the axial direction of the winding section to the inner apex section 716T. According to the motor 310 designed in this way, the length of the motor 310 in the axial direction DZ can be further shortened.

[0160] As in Fig. As shown in Figure 19, the bottom part 528 of the connecting part 52 can be arranged in a third region H3 extending from the inner apex part 716T to the outer apex part 712T. Even if components other than the connecting part 52 are arranged between the inner apex part 716T and the outer apex part 712T, the length of the motor 310 in the axial direction DZ can be shortened compared to the prior art, while the other components are also arranged. This applies, for example, to a case in which the end part 90T is arranged further along the first side Z1 in the axial direction than the inner apex part 716T.

[0161] At the in Fig. In the example shown in Figure 19, the first outer wall section 712 has the longest wall section 712L and the shortest wall section 712S. An end section on the first side Z1 in the axial direction of the shortest wall section 712S is defined as a "shortest outer apex section 712ST". In this case, the bottom section 528 can be arranged in a fourth region H4, which extends from the inner apex section 716T to the shortest outer apex section 712ST. Again, the length of the motor 310 can be shortened in the axial direction. Furthermore, based on the assumption that the outer apex part 712T is located further on the second side Z2 in the axial direction than the end part on the first side Z1 in the axial direction of the connecting component 52, the length of the longest wall part 712L in the axial direction DZ can be adjusted so that it is, for example, longer than the length in the axial direction DZ of the first outer wall part 712 in the prior art.In this case, the 90p conductor wire sections are more easily arranged on the outer circumferential surface 712W. B. Second embodiment B1. Configuration of the motor 310b and the stator 100b

[0162] Fig. Figure 20 is an explanatory view showing the configuration of the 310B engine according to a second embodiment of the present disclosure. Fig. Figure 21 is a perspective exploded view showing the configuration of respective parts of the engine 310b according to the second embodiment. Fig. Figure 22 is a top view of the motor 310b according to the second embodiment. It should be noted that in Fig. 20 to Fig. Figure 22 is not shown to facilitate understanding of the technology of rotor 200. In the first embodiment described above, the example of motor 310 with stator 100, in which the stator winding 90 is Y-connected, is described. In contrast, motor 310b according to the present embodiment has a stator 100b in which the stator winding 90 is delta-connected.

[0163] As in Fig. 20 to Fig. As shown in Figure 22, motor 310b differs from motor 310 according to the first embodiment in that motor 310b has stator 100b instead of stator 100, a support component 50b instead of support component 50, and a cover component 40b instead of cover component 40. The remaining configuration of motor 310b is the same as that of motor 310 according to the first embodiment. Stator 100b differs from stator 100 according to the first embodiment in that the stator winding 90 of stator 100b is delta-connected instead of Y-connected, and in that stator 100b has an electrical insulator 70b instead of electrical insulator 70. The remaining configuration of stator 100b is the same as that of stator 100 of the first embodiment. B2. Configuration of the electrical insulating body 70b

[0164] Fig. Figure 23 is an explanatory view showing the configuration of the electrical insulating body 70b. The electrical insulating body 70b differs from the electrical insulating body 70 shown in the first embodiment in that the electrical insulating body 70b has a first insulating part 71b instead of the first insulating part 71, and the remaining configuration of the electrical insulating body 70b is the same as that of the electrical insulating body 70. The first insulating part 71b differs from the first insulating part 71 in that the first insulating part 71b has a first outer wall part 712b instead of the first outer wall part 712.

[0165] The first outer wall section 712b has the same configuration as the first outer wall section 712, in that it comprises the bottom wall section 712B, the shortest wall section 712S, and the longest wall section 712L. The first outer wall section 712b differs in that it has two types of middle wall sections 712M1 and 712M2 with different lengths in the axial direction DZ, instead of the middle wall section 712M. Thus, the first insulating section 712b can have multiple types of middle wall sections 712M with different lengths in the axial direction DZ.

[0166] In the first embodiment described above, an example is shown in which the maximum number of grooves 712R formed in the axial direction DZ in the outer circumferential surface 712W of the longest wall section 712L is three. In contrast, in the present embodiment, four grooves 712R are formed in the axial direction DZ in the outer circumferential surface 712W of the longest wall section 712L. It should be noted that, in order to form wiring paths corresponding to the triangular connection, in addition to the grooves 712R corresponding to the individual conductor wire sections 90p for each of the U-phase, the V-phase, and the W-phase, the four grooves 712R also have one additional groove 712R for a further individual conductor wire section 90p for each of the U-phase, the V-phase, and the W-phase (in the present embodiment, the W-phase).

[0167] In the first embodiment described above, the example shown is that the engagement part 718 is formed on the apex part 712T of the first outer wall part 712. In contrast, in the present embodiment, a projection 713 is formed on the first outer wall part 712b instead of the engagement part 718. It should be noted that the projection 713 is formed on the end part on the first side Z1 in the axial direction of the middle wall part 712M1, in addition to the outer apex part 712T.

[0168] As described below, the projections 713 are designed to fit into an opening 47H formed in the cover component 40 and an opening 56H formed in the supporting component 50. The projections 713 are formed at positions corresponding to the openings 47H and 56H. The projection 713 is not limited to being formed on the outer apex part 712T and the middle wall part 712M1, and may, for example, be formed on the middle wall part 712M2, the shortest wall part 712S, and the bottom part 712B. The projection 713 is an example of a "convex-shaped fitting." An opening serving as a "concave-shaped fitting" may be formed in place of the projection 713. B3. Configuration of the load-bearing component 50b

[0169] Fig. Figure 24 is an explanatory view showing the configuration of the support component 50b. The support component 50b differs from the support component 50 shown in the first embodiment in that the support component 50b has an outer circumferential wall part 56b instead of the outer circumferential wall part 56, a conductor wire receptacle 55b instead of the conductor wire receptacle 55, an inner circumferential wall part 58b instead of the inner circumferential wall part 58, and in that the support component 50b does not have the wire connection receptacle 59. The remaining configuration is the same as that of the supporting component 50. The inner circumferential wall part 58b differs from the inner circumferential wall part 58 shown in the first embodiment in that an end part 58B on the second side Z2 is not in contact with the inner apex part 716T in the axial direction, and the remaining configuration is the same as that of the inner circumferential wall part 58.It should be noted that one functional configuration of the connecting component 52 is the same as the functional configuration of the connecting component 52 shown in the first embodiment, and therefore its description is omitted.

[0170] The U-phase conductor section 91p, the V-phase conductor section 92p, and the W-phase conductor section 93p, which form one end of the stator winding 90, and a U-phase conductor section 91p2 (not shown in the figures), a V-phase conductor section 92p2 (not shown in the figures), and a W-phase conductor section 93p2 (not shown in the figures), which form the other ends of the stator winding 90, are connected to each other. The connected conductor sections 90p are pulled out of the stator 100b through an opening 55H of the support component 50b to the first side Z1 in the axial direction of the support component 50.In the present embodiment, a UV-phase conductor wire section, obtained by connecting the U-phase conductor wire section 91p and the V-phase conductor wire section 92p2, a VW-phase conductor wire section, obtained by connecting the V-phase conductor wire section 92p and the W-phase conductor wire section 93p2, and a WU-phase conductor wire section, obtained by connecting the W-phase conductor wire section 93p and the U-phase conductor wire section 91p2, are arranged in the grooves 551, 552 and 553 of the conductor wire receptacle 55b. In a similar manner to the first embodiment described above, the conductor wire holder 55b electrically isolates the conductor wire parts arranged in the slots 551, 552 and 553 of the conductor wire holder 55b from other conductive components, for example the conductor wire parts arranged in the other slots, the winding part and the like.By arranging the conductor wire sections in the grooves 551, 552 and 553 of the conductor wire receptacle 55b, insulating material for covering the conductor wire sections for electrical insulation with respect to other conductive components can be omitted. Thus, the conductor wire section can be electrically insulated using a simpler configuration than in the prior art.

[0171] Fig. 25 is a cross-sectional view of position XXV-XXV in Fig. 22. The outer perimeter wall section 56b comprises the main body 560 and an outer perimeter wall flange 562b. As in Fig. 24 and Fig. As shown in Figure 25, the outer perimeter wall section 56b differs from the outer perimeter wall section 56 shown in the first embodiment in that the outer perimeter wall section 56b does not have the outer wall projection 564, and in that the outer perimeter wall section 56b has the outer perimeter wall flange 562b instead of the outer perimeter wall flange 562. The remaining configuration is the same as that of the outer perimeter wall section 56. It should be noted that in the present embodiment, the end section 56B of the outer perimeter wall section 56 is not in contact with the flange 719 of the first insulating section 71, but the end section 56B can be configured to be in contact with the flange 719.

[0172] The outer circumferential wall flange 562b is formed on the end part on the first side Z1 in the axial direction of the main body 560. As shown in Fig. As shown in Figure 24, in the present embodiment the outer circumferential wall flange 562b extends in the circumferential direction DX and is formed over the entire circumference of the outer circumferential edge of the supporting component 50b. As shown in Fig. As shown in Figure 25, the outer circumferential wall flange 562b is designed to be in contact with the outer apex part 712T of the longest wall part 712L.

[0173] The opening 56H is formed in the outer circumferential wall flange 562b. The opening 56H has a shape corresponding to the shape of the projection 713 formed on the first outer wall part 712b and is designed to fit the projection 713. The projection 713 is joined, for example, by laser welding or thermal welding, in a state where it is fitted into the opening 56H. As a result of the connection between the projection 713 and the opening 56H, the movement of the connecting part 52 and the supporting part 50b in the radial direction DY and the circumferential direction DX can be limited. Thus, wobbling of the connecting part 52 and the supporting part 50b in the radial direction DY and the circumferential direction DX is suppressed, and the occurrence of motor 310b failure due to vibration can be suppressed or prevented.The opening 56H is an example of a "mating part with a concave shape corresponding to the shape of a mating part." Instead of the opening 56H, a projection can be formed, which serves as a "mating part with a convex shape corresponding to the shape of a mating part." It should be noted that the fit between the projection 713 and the opening 56H can be a loose fit, in which a gap is created between the projection 713 and the opening 56H, or it can be a tight fit. B4. Configuration of the cover component 40b

[0174] Fig. Figure 26 is an explanatory view showing the configuration of the cover component 40b. The cover component 40b differs from the cover component 40 shown in the first embodiment in that the cover component 40b has a first cover part 44b instead of the first cover part 44, that the cover component 40b does not have the third cover part 48, and that the cover component 40b has an outer circumferential wall part 47. The remaining configuration is the same as that of the cover component 40.

[0175] The first cover part 44b differs from the first cover part 44 in that the first cover part 44b does not have the inclined parts 442. The outer perimeter wall part 47 has a similar function to the outer perimeter wall part 56b of the supporting component 50b. Because the cover component 40b and the supporting component 50b are connected, the outer perimeter wall part 47 is integrated with the outer perimeter wall part 56b and serves as part of the outer perimeter wall part 56b. The opening 47H has the same function as the opening 56H. In other words, the opening 47H functions as the "fitting part with the concave shape that corresponds to the shape of the fitting part." It should be noted that the first cover part 44b may be provided with the inclined parts 442. B5. Configuration of a second side Z2 in the axial direction of the supporting component 50b

[0176] Fig. Figure 27 is a perspective view showing the configuration of the second side Z2 in the axial direction of the supporting member 50b. The conductor wire receptacle 55b has a bottom part 558, which is the wall surface 442R on the second side Z2 in the axial direction. As shown in Fig. As shown in Figure 27, in the present embodiment, instead of the end part 58B on the second side Z2 in the axial direction of the inner circumferential wall part 58b, the bottom part 558 of the conductor wire receptacle 55b is designed to lie in the same plane as the bottom part 528 of the connecting part 52.

[0177] Fig. 28 is a cross-sectional view of position XVIII-XVIII in Fig. 22. As in Fig. As shown in Figure 28, in the present embodiment the bottom part 528 of the connecting part 52 is arranged in a position in contact with the inner apex part 716T of the first inner wall part 716. Thus, according to the motor 310b of the present embodiment, the length of the motor 310b in the axial direction DZ can be shortened, similar to the embodiment described above. Furthermore, the length in the axial direction DZ of the motor chamber 303 of the compressor 300 can be shortened, and the compressor 300 can be made smaller.

[0178] As in Fig. As shown in Figure 28, according to the motor 310b of the present embodiment, the bottom part 558 of the conductor wire receptacle 55b and the bottom part 528 of the connecting part 52 are designed to lie in the same plane, and both are arranged in contact with the inner apex part 716T of the first inner wall part 716. The connecting part 52 and the support part 50b are supported by the first insulating part 71b, and the movement of the connecting part 52 and the support part 50b in the axial direction DZ is limited. Thus, wobbling of the connecting part 52 and the support part 50b in the axial direction DZ is suppressed, and the occurrence of a failure of the motor 310b due to vibrations can be suppressed or prevented.

[0179] According to the motor 310b of the present embodiment, the outer circumferential wall flange 562b of the outer circumferential wall part 56b is further configured to be in contact with the outer apex part 712T of the first insulating part 71b. According to this configuration, the circumferential edge on the outer side Y1 in the radial direction of the supporting part 50b is supported by the first insulating part 71b. Thus, wobbling of the outer circumferential edge of the supporting part 50b in the axial direction DZ is suppressed, and the occurrence of motor 310b failure due to vibration can be suppressed or prevented.

[0180] According to the motor 310b of the present embodiment, the projection 713 is provided on the outer apex part 712T of the first outer wall part 712b, and the opening 56H, corresponding to the projection 713, is formed in the outer circumferential wall flange 562b. Thus, wobbling of the connecting part 52 and the supporting part 50b in the radial direction DY and the circumferential direction DX can be suppressed, and the occurrence of a failure of the motor 310b due to vibrations can be suppressed or prevented. C. Third embodiment

[0181] The configuration of an engine 310c according to a third embodiment of the present disclosure is described with reference to Fig. Described in sections 29 to 32. Fig. Figure 29 is an explanatory view showing the configuration of the 310c motor according to the third embodiment of the present disclosure. As in Fig. As shown in Figure 29, the motor 310c according to the third embodiment differs from the motor 310 according to the first embodiment in that the motor 310c has a stator 100c instead of the stator 100, and the remaining configuration is the same as that of the motor 310. The stator 100c differs from the stator 100 in that the stator 100c has an electrical insulating body 70c instead of the electrical insulating body 70 and a support component 50c instead of the support component 50.

[0182] Fig. Figure 30 is a perspective view showing the configuration of the second side Z2 in the axial direction of the support element 50c. The support element 50c differs from the support element 50 shown in the first embodiment in that the support element 50c does not have the outer circumferential wall flange 562 and furthermore has a projection 544. As in Fig. As shown in Figure 30, the projection 544 is formed on the second side Z2 in the axial direction of the second bridge component 542 of the supporting component 50c and projects radially from the second bridge component 542 to the outer side Y1. The projection 544 is an example of the "first engagement part". It should be noted that in Fig. 30 the supporting component 50c has the single projection 544, but the supporting component 50c can have several of the projections 544, for example two or more.

[0183] Fig. Figure 31 is an explanatory view showing the configuration on the side of the electrical insulating body 70c. The electrical insulating body 70c differs from the electrical insulating body 70 shown in the first embodiment in that the electrical insulating body 70c has a first insulating part 71c instead of the first insulating part 71. The first insulating part 71c differs from the first insulating part 71 shown in the first embodiment in that, instead of the engagement part 718, a through-hole 717 is formed in the longest wall part 712L.

[0184] The through-hole 717 extends from the outer circumferential surface 712W on the outer side Y1 in the radial direction of the first outer wall part 712 (a bottom surface of the grooves 712R where in Fig. (Example 31) to a wall surface on the inner side Y2 in the radial direction of the first outer wall part 712. The through-hole 717 has a shape corresponding to the shape of the projection 544 and is designed to engage with the projection 544. The through-hole 717 is an example of the "second engagement part". Due to the engagement between the through-hole 717 and the projection 544, the movement of the supporting part 50 with respect to the first insulating part 71c is limited in the axial direction DZ and the circumferential direction DX, and the connecting part 52 and the supporting part 50c can be arranged in a stable state on the first insulating part 71c. In the present embodiment, an inclined surface 712C is formed on the first side Z1 in the axial direction of the through-hole 717.

[0185] Fig. 32 is a cross-sectional view of position XXXII-XXXII in Fig. 29. In Fig. Figure 32 shows a state in which the through-hole 717 and the projection 544 are engaged with each other. The inclined surface 712C is formed on a wall surface on the inner side Y2 in the radial direction of the longest wall part 712L. The inclined surface 712C is inclined such that it projects further along the second side Z2 in the axial direction towards the inner side Y2 in the radial direction. As shown in Fig. As shown in Figure 32, the projection 544 has a base part 544B and a nail part 544N.

[0186] The base part 544B projects axially from the second bridge component 542 to the second side Z2. The nail part 544N projects radially from one end of the base part 544B to the outer side Y1. An inclined surface is formed at the outermost end of the nail part 544N. When the supporting component 50c is assembled with the first insulating component 71c, the inclined surface of the nail part 544N comes into contact with the inclined surface 712C of the first outer wall part 712 when the supporting component 50c is moved towards the first insulating component 71c. As the supporting component 50c moves closer to the first insulating component 71c, the nail part 544N is pushed from the inclined surface 712C to the second side Z2 in the axial direction, and due to the elasticity of the second bridge component 542, the nail part 544N moves back to the second side Z2 in the axial direction.Upon completion of the movement to the second side Z2 in the axial direction in the supporting component 50c, the second bridge component 542 and the nail part 544N return to their starting positions and engage with the through hole 717.

[0187] According to the motor 310c of the present embodiment, the through-hole 717 for engagement with the projection 544 of the support component 50c is formed in the wall surface on the inner side Y2 in the radial direction of the first outer wall part 712 of the first insulating part 71c. Because the first insulating part 71c and the support component 50c are engaged with each other, movement of the support component 50c in the axial direction DZ and the circumferential direction DX with respect to the first insulating part 71c can be limited. Thus, the connecting component 52 and the support component 50c can be arranged in a stable state on the stator 100c.Furthermore, by arranging the through-hole 717 in the wall surface of the first outer wall section 712 (more precisely, between the end section on the first side Z1 in the axial direction of the first outer wall section 712 and the end section on the second side Z2 in the axial direction), an engagement position between the first insulating section 71c and the supporting section 50c can be positioned further along the second side Z2 in the axial direction than the outer apex section 712T. Thus, the outer apex section 712T and the end section on the first side Z1 in the axial direction of the supporting section 50c can be located in the same plane, and the configuration on the first side Z1 in the axial direction of the motor 310c can be a simple configuration with few irregularities.

[0188] The through-hole 717 can be formed in the middle wall section 712M and the shortest wall section 712S instead of the longest wall section 712L or in addition to the longest wall section 712L. Furthermore, in Fig. Figure 31 shows an example in which the first insulating part 71c has the single through-hole 717. In contrast, several through-holes 717, for example two or more, can be provided corresponding to the number of projections 544. Furthermore, the first insulating part 71c can have a recess corresponding to the shape of the projection 544 in a wall surface on the inner side Y2 in the radial direction of the first outer wall part 712, either instead of or in addition to the through-hole 717. The recess corresponding to the shape of the projection 544 is an example of the “second engagement part”. D. Other embodiments

[0189] (D1) In each of the embodiments described above, the electrical insulating body 70 of the stator 100 is formed by overmolding and, as in Fig. Figure 6 shows an example in which the first insulating part 71, the second insulating part 72, and the third insulating part 73 are formed in the integrated state. However, as described below, the electrical insulating body of the stator according to the present disclosure is not limited to the electrical insulating body in which the first insulating part 71, the second insulating part 72, and the third insulating part 73 are integrated.

[0190] Fig. Figure 33 is a perspective exploded view showing the configuration of a stator 100d in a motor 310d according to another embodiment. The stator 100d comprises the stator core 80, an electrical insulating body 70d, and the stator winding 90. Fig. 33 and Fig. Figure 34, which is described below, does not show the rotor 200 and the stator winding 90 for better understanding. The configuration of the stator core 80 and the stator winding 90 is the same as that of the first embodiment described above, and a description of it is therefore omitted.

[0191] The electrical insulating body 70d comprises a first insulating part 71, a second insulating part 72, and a third insulating part 73d. The electrical insulating body 70d differs from the electrical insulating body 70 shown in the first embodiment in that the electrical insulating body 70d has the third insulating part 73d instead of the third insulating part 73. The remaining configuration is the same as that of the electrical insulating body 70d.

[0192] The first insulating part 71, the second insulating part 72, and the third insulating part 73d are formed separately from one another by resin molding instead of overmolding and are each formed as separate bodies. In the present embodiment, the electrical insulating body 70d is formed by individually assembling the first insulating part 71, the second insulating part 72, and the third insulating part 73d, which are separate, with the stator core 80. The shapes, functions, and the like of the first insulating part 71 and the second insulating part 72 are the same as those of the first embodiment described above, and a description of them is therefore omitted.

[0193] The third insulating part 73d is a layered or film-like component that is long DZ in the axial direction. The third insulating part 73d consists of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyphenylene sulfide (PPS), polyester, or the like. The function of the third insulating part 73d is the same as the function of the third insulating part 73 described above.

[0194] When assembling the electrical insulating body 70d with the stator core 80, the first insulating part 71 is attached to the first side Z1 in the axial direction of the stator core 80, and the second insulating part 72 is attached to the second side Z2 in the axial direction of the stator core 80. The third insulating part 73d is inserted into the slots SL of the stator core 80. When the electrical insulating body 70d is assembled with the stator core 80, the stator winding 90 is wound onto the stator core 80. The motor 310d with the stator 100d, configured in this way, can also achieve the same effects as those of the embodiments described above.

[0195] Fig. Figure 34 is a perspective exploded view showing the configuration of a stator 100e in a motor 310e according to another embodiment. The stator 100e comprises the stator core 80, an electrical insulating body 70e, and the stator winding 90. The configurations of the stator core 80 and the stator winding 90 are the same as those of the first embodiment described above, and a description thereof is omitted.

[0196] The electrical insulating body 70e differs from the electrical insulating body 70 shown in the first embodiment in that the electrical insulating body 70e has a first insulating part 71e and a second insulating part 72e instead of the first insulating part 71, the second insulating part 72 and the third insulating part 73. The remaining configuration is the same as that of the electrical insulating body 70.

[0197] The electrical insulating body 70e further comprises first slotted insulating parts 715 in addition to the configuration of the first insulating part 71 shown in the first embodiment. The first slotted insulating part 715 extends from a surface of the first outer wall part 712, the first drum parts 714, and the first inner wall parts 716 on the second side Z2 in the axial direction to the second side Z2 in the axial direction. The shape of the first slotted insulating part 715 is substantially the same as the shape on the first side Z1 in the axial direction formed by the inner wall part 732, the side wall part 734, and the outermost end part 736 shown in the first embodiment.

[0198] The second insulating part 72e further comprises second slotted insulating parts 725 in addition to the configuration of the second insulating part 72 shown in the first embodiment. The second slotted insulating part 725 extends from the second outer wall part 722, the second drum part 724, and the second inner wall part 726 on the first side Z1 in the axial direction to the first side Z1 in the axial direction. The shape of the second slotted insulating part 725 substantially corresponds to the shape on the second side Z2 in the axial direction formed by the inner wall part 732, the side wall part 734, and the outermost end part 736 shown in the first embodiment.

[0199] As in Fig.As shown in Figure 34, when assembling the electrical insulating body 70e with the stator core 80, the first insulating part 71e is attached to the first side of the stator core 80 in the axial direction when the first slotted insulating parts 715 are inserted into the slots SL on the first side Z1 in the axial direction. The second insulating part 72e is attached to the second side Z2 of the stator core 80 in the axial direction when the second slotted insulating parts 725 are inserted into the slots SL on the second side Z2 in the axial direction. The first slotted insulating parts 715 and the second slotted insulating parts 725, which are inserted into the slots SL, have the same function as the third insulating part 73 in the electrical insulating body 70, which is shown in the first embodiment described above.When the electrical insulating body 70e is assembled with the stator core 80, the stator winding 90 is wound onto the stator core 80. The motor 310e with the stator 100e, configured in this way, can also achieve the same effects as those of the embodiment described above.

[0200] (D2) In each of the embodiments described above, an example is shown in which the motor 310 is installed in the compressor for the vehicle. In contrast, the motor 310 may be installed in an air conditioning unit or the like instead of the vehicle.

[0201] (D3) In each of the embodiments described above, an example is shown in which the motor 310 has the stator core 80 in which the yoke 82 and the teeth 84 are integrated. In contrast, the stator core 80 can be formed by coupling, in a ring shape, respective segmented cores, which are obtained by subdividing the yoke 82 in the circumferential direction DX into respective predetermined areas. The segmented core has several of the segmented yokes and, for example, the single tooth 84. Furthermore, the stator core 80 can be formed in a ring shape by coupling several segmented teeth, which are separated from the yoke 82, together with the single yoke 82.

[0202] (D4) In the first embodiment described above, an example is shown in which the wire connecting parts 91q, 92q, and 93q are connected by the wire connecting terminal 60 as the neutral point. In contrast, the wire connecting parts 91q, 92q, and 93q can be connected by a method different from the wire connecting terminal 60 as the neutral point. Methods for connecting the wire connecting parts 91q, 92q, and 93q without using the wire connecting terminal 60 include, for example, a method in which the wire connecting parts 91q, 92q, and 93q are welded together, a method in which the wire connecting parts 91q, 92q, and 93q are soldered together, or the like. In this case, for example, a resin material can be accommodated in the recess 594 instead of the wire connecting terminal 60.For example, the wire connecting elements 91q, 92q, and 93q, which are connected at the neutral point, can be placed in the recess 594, and then the resin material for hardening the wire connecting elements 91q, 92q, and 93q can be introduced into the recess 594. In this case, the wire connecting elements 91q, 92q, and 93q can also be arranged in a stable position on the stator 100 via the support element 50.

[0203] (D5) In the first embodiment described above, an example is shown in which the end part 58B of the inner circumferential wall part 58, the bottom part 528 of the connecting part 52, and the bottom part 59B of the wire connection receptacle 59 are designed to lie in the same plane. In contrast, the end part 58B of the inner circumferential wall part 58, the bottom part 528 of the connecting part 52, and the bottom part 59B of the wire connection receptacle 59 can be arranged to lie outside the same plane.

[0204] (D6) In the first embodiment described above, the example shown is one in which the outer circumferential wall section 56 of the supporting component 50 is configured to be in contact with the outer apex section 712T and the flange 719 of the first insulating component 71, and the inner circumferential wall section 58 is configured to be in contact with the inner apex section 716T. In other words, the first embodiment described above shows an example of the configuration in which the circumferential edge on the outer side Y1 is supported in the radial direction of the supporting component 50 and the circumferential edge on the inner side Y2 is supported in the radial direction by the first insulating component 71. In contrast, the outer circumferential wall section 56 can be configured not to be in contact with the outer apex section 712T and the flange 719 of the first insulating component 71. The supporting component 50 can be configured such that it does not have the outer circumferential wall section 56.Furthermore, the inner perimeter wall section 58 can be designed such that it is not in contact with the inner apex section 716T. The load-bearing component 50 can be designed such that it does not have the inner perimeter wall section 58.

[0205] (D7) In the first embodiment described above, the example shown is that the connecting component 52 is connected to the supporting component 50. In contrast, a configuration can be used in which the supporting component 50 is not provided. In this case, preferably at least a part of the connecting component 52 is supported by a component contained in the stator 100. The length of the motor 310 configured in this way can also be shortened in the axial direction DZ compared to the prior art.

[0206] (D8) In the first embodiment described above, an example is shown in which the heights of the first wall sections 716, that is, the positions of the inner apex sections 716T, are uniform. In contrast, a configuration can be used in which the heights of the first inner wall sections 716 are not uniform. In this case, the bottom section 528 of the connecting component 52 and bottom sections of respective parts contained in the supporting component 50 are preferably positioned at locations corresponding to the heights of the first inner wall sections 716. The motor 310 configured in this way can also achieve the same effects as in the first embodiment described above.

[0207] The present disclosure is not limited to the structures described together with the embodiments above and can preferably be implemented by various configurations, provided they do not deviate from the scope of protection of this disclosure. For example, technical features in the embodiments that correspond to technical features in the aspects in the abstract of the present invention can be exchanged or combined as needed to solve some or all of the problems described above or to achieve some or all of the effects described above. Furthermore, these technical features, insofar as they are described as non-essential in this description, can be omitted as needed.

[0208] Furthermore, in view of the content of the present invention according to the embodiments and modified examples described above, the following aspects are provided. At least one of the following aspects can be used individually or in combination with at least one of the features of the motors 310, 310b, 310c, 310d and 310e and the compressor 300 of the embodiment and modified examples described above, or with at least one of the features disclosed in the claims. [Aspect A1]

[0209] The outer perimeter wall section has an outer wall projection that extends radially towards an inner side and in a circumferential direction, and The outer wall section has an outer wall recess, with the outer wall projection designed to fit into this recess.

[0210] The external wall projection 564 is an example of the "external wall projection", and the external wall recess 712V is an example of the "external wall recess".

[0211] According to a motor of this aspect, since the outer wall projection is fitted into the outer wall recess, movement of the outer circumferential wall part in the circumferential direction is limited, and a connecting component and a supporting component can be arranged on the stator in a stable state.

[0212] Furthermore, as a non-restrictive objective of providing a technology that contributes to simplifying the structure of a conductor wire section in a motor, the following aspects B1 to B16 are provided. Each of the following aspects B1 to B16 can be used individually, or two or more of the following aspects B1 to B16 can be used in combination with one another. Alternatively, at least one of the following aspects B1 to B16 can be used in combination with at least one of the motors 310, 310b, 310c, 310d and 310e and the compressor 300 of the embodiments, with the modified examples described above, aspect A1, or the features disclosed in the claims. [Aspect B1]

[0213] Engine with: a stator with a cylindrical shape extending in an axial direction; a connecting component arranged on a first side in the axial direction of the stator, wherein the connecting component is configured to receive a connection terminal which is electrically connected to a conductive terminal of a power supply; and a supporting component which is mounted on the stator on the first side in the axial direction of the stator, wherein the supporting component is continuous with the connecting component and supports the connecting component on the first side in the axial direction of the stator, in which the stator a stator core with a yoke extending in a circumferential direction and teeth extending from the yoke to an inner side in a radial direction, an electrical insulating body mounted on the stator core, and a stator winding, wherein the stator winding (i) comprises a winding part which is wound over the electrical insulating body on the stator core, and (ii) a conducting wire part which has a first end part of the stator winding and which is electrically connected to the winding part and the connecting terminal, the supporting component has insulating properties and a conductor wire receptacle designed to guide the conductor wire section to the connecting component. [Aspect B2]

[0214] Engine according to aspect B1, in which the conductor wire receptacle (i) has a first insertion hole that guides the conductor wire portion from the stator to the first side in the axial direction of the supporting component, and (ii) has a first groove extending from the first insertion hole to the connecting component, wherein the conductor wire portion is placed in the first groove. [Aspect B3]

[0215] Engine according to aspect B2, furthermore with: a cover component that includes a conductor wire cover part that covers the first groove. [Aspect B4]

[0216] Engine according to one of the aspects B1 to B3, in which the supporting component is designed to (i) come into contact with a part of the electrical insulating body which is arranged on the first side in the axial direction of the stator and (ii) be supported on the first side in the axial direction of the electrical insulating body by the electrical insulating body with which contact is made. [Aspect B5]

[0217] Engine according to aspect B4, in which each of the teeth a tooth base part extending from the yoke to the inner side in the radial direction, and a tooth end part continuously with an outermost end on the inner side in the radial direction of the tooth base part, the electrical insulating body an outer wall part which is arranged at an end part on the first side in the axial direction of the yoke and extends to the first side in the axial direction, a drum part which is arranged at an end part on the first side in the axial direction of the tooth base part, and an inner wall part which is arranged on an end part on the first side in the axial direction of the tooth end part and extends to the first side in the axial direction, the supporting component has an inner circumferential wall section that is continuous with the conductor wire receptacle and extends in the circumferential direction, the inner wall part has an inner apex part, which is an end part on the first side in the axial direction of the inner wall part, and the inner circumferential wall part (i) is designed to come into contact with the inner apex part, and (ii) is designed to be supported on the first side in the axial direction of the electrical insulating body by the inner apex part with which contact is established. [Aspect B6]

[0218] Engine according to aspect B5, in which the supporting component has an outer circumferential wall section that is continuous with the conductor wire receptacle and extends in the circumferential direction, and the outer wall part has an outer apex part, which is an end part on the first side in the axial direction of the outer wall part, the outer circumferential wall part (i) is designed to come into contact with at least one of the outer apex part and the stator core, and (ii) is designed to be supported on the first side in the axial direction of the electrical insulating body by at least one of the outer apex part and the stator core with which a contact is established. [Aspect B7]

[0219] Engine according to one of the aspects B1 to B6, in which The supporting component is designed to engage with a part of the electrical insulating body. [Aspect B8]

[0220] Engine according to one of the aspects B1 to B7, in which The stator winding has a Y-connected part, in which second end parts are connected as a neutral point on a side opposite the first end part. [Aspect B9]

[0221] Engine according to aspect B8, further with: a wire connection recording in which the stator winding has a wire connection section in which the second end sections are connected to form the neutral point, the wire connection receptacle defines a recess designed to receive the wire connection part, and The supporting component carries the wire connection receptacle on the first side in the axial direction of the stator. [Aspect B10]

[0222] Engine according to aspect B9, in which the wire connection receptacle (i) has a second insertion hole designed to guide the second end part from the stator core to the first side in the axial direction of the supporting component, and (ii) has a second groove extending from the second insertion hole to the recess, and the second end part is placed in the second groove. [Aspect B11]

[0223] Engine according to aspect B9, further with: a cover component with a wire connection cover part that covers the wire connection receptacle. [Aspect B12]

[0224] Engine according to one of the aspects B9 to B11, in which at least one of the conductor wire part and the second end part does not have an insulating sleeve covering the at least one of the conductor wire part and the second end part. [Aspect B13]

[0225] Engine according to one of the aspects B1 to B7, in which the motor has a triangularly connected part in which second end parts of the stator winding are connected to each other on the side opposite the first end part. [Aspect B14]

[0226] Engine according to aspect B13, in which The conductor wire part and the second end part do not have an insulating sleeve covering the conductor wire part and the second end part. [Aspect B15]

[0227] Engine according to one of the aspects B1 to B14, in which The motor is a motor that is to be used in a compressor that is installed in a vehicle. [Aspect B16]

[0228] Compressor with a compression mechanism for compressing and expelling a fluid and a motor for driving the compression mechanism, with: the engine according to one of the aspects B1 to B14 as the engine.

[0229] A correspondence between each of the structural elements (features) of aspects B1 to B16 and each of the structural elements (features) of the present disclosure or the invention is as follows: It should be noted that each of the structural elements of the embodiments is merely an example and does not limit the respective structural elements of aspects B1 to B16.

[0230] Motors 310, 310b, 310c, 310d, and 310e are an example of a "motor". Stators 100, 100b, 100c, 100d, and 100e are an example of a "stator". Power supply circuit 340, conductive terminal 342, and connecting terminal 94 are examples of a "power supply", a "conductive terminal", and a "connecting terminal". Connecting component 52 and support components 50, 50b, and 50c are examples of a "connecting component" and a "support component". Conductor wire parts 90p, 91p, 91p2, 92p, 92p2, 93p, and 93p2 are examples of a "conductor wire part". Conductor wire receptacle 55 is an example of a "conductor wire receptacle". The insertion holes 551H, 552H, and 553H are an example of a "first insertion hole." The grooves 551, 552, and 553 are an example of a "first groove." The second cover part 46 and the cover components 40 and 40b are an example of a "wire cover part" and a "cover component."The first outer wall part 712, the first drum part 714, and the first inner wall part 716 are examples of an "outer wall part," a "drum part," and an "inner wall part," respectively. The inner perimeter wall part 58 and the inner apex part 716T are examples of an "inner perimeter wall part" and an "inner apex part." The outer perimeter wall part 56 and the outer apex part 712T are examples of an "outer perimeter wall part" and an "outer apex part." The wire connection receptacle 59, the recess 594, the insertion hole 590, and grooves 591, 592, and 593 are examples of a "wire connection receptacle," a "recess," a "second insertion hole," and a "second groove," respectively. The wire connectors 90q, 91q, 92q and 93q are an example of a "wire connector". The third cover part 48 and the cover component 40 are an example of a "wire connector cover part" and a "cover component".

[0231] It is explicitly emphasized that all features disclosed in the description and / or the claims are to be considered separate and independent of one another for the purposes of the original disclosure as well as for the purpose of limiting the claimed invention, irrespective of the combinations of features in the embodiments and / or the claims. It is explicitly stated that all range specifications or specifications of groups of units disclose every possible intermediate value or subgroup of units for the purposes of the original disclosure as well as for the purpose of limiting the claimed invention, in particular also as a boundary of a range specification. Description of the reference symbols 22 Magnet 24 rotor core 40, 40b Cover component 42 Opening 44, 44b first lid part 46 second lid part 47 Outer perimeter wall section 47H opening 48 third lid part 50, 50b, 50c load-bearing component 52 Connecting component 52S Connection room 54 Bridge component 55, 55b Conductor wire holder 55H opening 56, 56b Outer perimeter wall section 56B End part 56H opening 58, 58b Inner perimeter wall section 58B End part 59 Wire connection terminal 59B Base section 60 wire connection 61, 62, 63 Connection entry part 64 Main body 70, 70b, 70c, 70d, 70e electrical insulating body 71, 71b, 71c, 71e first insulating part 72, 72e second insulating part 73, 73d third insulating part 80 stator core 82 yoke 84 teeth 90 Stator winding 90T end part 90p, 91p, 91p2, 92p, 92p2, 93p, 93p2 Conductor wire section 90q, 91q, 92q, 93q wire connector 94 Connection port 100, 100b, 100c, 100d, 100e stator 200 Rotor 300 compressor 301 Housing 303 Engine chamber 304 Connection path 305 Outlet opening 310, 310b, 310c, 310d, 310e engine 320 compression mechanism 322 fixed snail 324 movable worm 330 drive shaft 332 Eccentric pin 340 Power supply circuit 342 conductive connection 421 Opening 442 inclined part 442R wall surface 521, 522, 523 Connection room 526 Side wall section 526T inclined section 528 Base part 528L virtual line 541 first bridge component 542 second bridge component 543 Opening 544 lead 544B Base part 544N Nail part 551, 552, 553 Nut 551H, 552H, 553H insertion hole 558 Base part 560 Main body 562, 562b Outer perimeter wall flange 564 Exterior wall projection 590 insertion hole 591, 592, 593 Nut 594 In-depth study 712, 712b first outer wall section 712B Floor wall section 712C inclined surface 712L longest wall section 712L1 first longest wall section 712L2 second longest wall section 712M, 712M1, 712M2 middle wall section 712R Nut 712S shortest wall section 712ST shortest outer apex part 712T outer apex part 712V Exterior wall recess 712W external surface area 713 lead 714 first drum part 715 first slot insulation part 716 first inner wall section 716T inner apex part 717 Through hole 718 Intervention part 718B Base part 718N Nail part 719 Flange 722 second outer wall section 724 second drum part 725 second slot insulating part 726 second inner wall section 732 inner wall section 734 Side wall part 736 End part 842 Tooth base part 844F1 first flange 844 Tooth end part 844W end area 844F2 second flange AX rotary axis LC laser oscillator LS laser light R1 tilt angle SL slot QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] JP 2019 - 213 415 A

[0002]

Claims

[1] Engine with: a stator with a cylindrical shape extending in an axial direction; and a connecting component comprising a side wall part, a bottom part and a connection space defined by the side wall part and the bottom part, wherein the connecting component is designed to provide a connection terminal, electrically connected to a conductive terminal of a power supply, in the connection space, in which the stator a stator core with a yoke extending in a circumferential direction and teeth extending from the yoke to an inner side in a radial direction, an electrical insulating body mounted on the stator core, and a stator winding that is wound over the electrical insulating body on the stator core, each of the teeth a tooth base part extending from the yoke to the inner side in the radial direction, and a tooth end part continuously with an outermost end on the inner side in the radial direction of the tooth base part, the electrical insulating body an outer wall part which is arranged at an end part on a first side in the axial direction of the yoke, wherein the outer wall part has an outer apex part which is an end part on the first side in the radial direction of the outer wall part, a drum part which is arranged at an end part on the first side in the axial direction of the tooth base part, and an inner wall part which is arranged on an end part on the first side in the axial direction of the tooth end part, the connection terminal is attached to one end of the stator winding, the connecting component is arranged on the first side in the axial direction of the stator and the bottom part is arranged in a first region, the first region being further on the inner side in the radial direction than the outer wall part and further on a second side in the axial direction than the outer apex part. [2] Motor according to claim 1, wherein the stator winding a winding section that is wound over the electrical insulating body on the stator core, and a conductor wire section with one end of the stator winding, which connects the winding section and the connecting terminal, and the bottom part is arranged in a second region of the first region, the second region extending from an end part on the first side in the axial direction of the winding part to the outer apex part. [3] Motor according to claim 2, wherein the bottom part is arranged in a third region of the first region, the third region extending from an inner apex part to the outer apex part, the inner apex part being an end part on the first side in the axial direction of the inner wall part. [4] Motor according to claim 3, wherein the outer wall part a longest wall section with a length that is longest in the axial direction, the outer wall sections and a shortest wall section with a length that is shortest in the axial direction, which has outer wall sections with a length that is greater than or equal to a length of the inner wall section in the axial direction and the bottom part is arranged in a fourth region of the third region, the fourth region extending from the inner apex part to a shortest outer apex part, which is an end part on the first side in the axial direction of the shortest wall part. [5] Motor according to claim 3 or 4, wherein the bottom part is arranged at a position in contact with the inner apex part. [6] Motor according to any one of claims 1 to 5, wherein the stator winding a winding section that is wound over the electrical insulating body on the stator core, and a conductor wire section with one end of the stator winding, which connects the winding section and the connecting terminal, and at least part of the conductor wire section is arranged further on an outer side in the radial direction than the outer wall section. [7] Motor according to claim 6, wherein the outer wall part has a groove for arranging the conductor wire part in a wall surface on the outer side in the radial direction of the outer wall part. [8] Motor according to any one of claims 1 to 7, further comprising: a load-bearing component that is connected to the connecting component, in which The supporting component is designed to be in contact with several points of the electrical insulating body, which are arranged on the first side in the axial direction of the stator. [9] Motor according to claim 8, wherein the load-bearing component has an outer perimeter wall section that is connected to the connecting component and extends in the circumferential direction, and the outer perimeter wall part is arranged opposite a wall surface on an outer side in the radial direction of the outer wall part, further on the outer side in the radial direction than the outer wall part. [10] Motor according to claim 8 or 9, wherein the load-bearing component has a first engagement part and the electrical insulating body has a second engagement part which is designed to engage with the first engagement part. [11] Motor according to claim 10, wherein the load-bearing component an outer perimeter wall section that is connected to the connecting component and extends in the circumferential direction, and an outer circumferential wall flange that projects radially from the outer circumferential wall part to the inner side and extends in the circumferential direction, the first engagement part has at least a part of the outer circumferential wall flange, the second part of the procedure a base part that projects axially from the outer apex part to the first side, and a nail part that projects from the base part to an outer side in the radial direction and at least part of the outer circumferential wall flange is engaged between the nail part and the outer apex part. [12] Motor according to claim 10, wherein the first engagement part has a projection that extends from the supporting component to an outer side in the radial direction, the second engagement part has a recess or a through-hole corresponding to the projection in a wall surface on the inner side in the radial direction of an outer wall part and the protrusion is designed to engage with the depression or through-hole. [13] Motor according to claim 8, wherein the load-bearing component has an outer perimeter wall section that is connected to the connecting component and extends in the circumferential direction, the outer circumferential wall section has an outer circumferential wall flange that projects radially towards the inner side and extends in the circumferential direction, the outer wall part has a fitting part in a convex or concave shape and the outer circumferential wall flange has a matching part with a convex or a concave shape that corresponds to the fitting part. [14] Motor according to any one of claims 8 to 13, wherein the load-bearing component has an inner circumferential wall section that is connected to the connecting component and extends in the circumferential direction, and at least one part of the inner circumferential wall part is designed to be in contact with an inner apex part, which is an end part on the first side in the axial direction of the inner wall part. [15] Motor according to any one of claims 8 to 14, wherein the stator winding a winding section that is wound over the electrical insulating body on the stator core, and a conductor wire section with one end of the stator winding, which connects the winding section and the connecting terminal, and The supporting component has a conductor wire receptacle designed to guide the conductor wire section to the connecting component. [16] Motor according to claim 15, wherein the stator winding further comprises a wire connection part with another end of the stator winding, which forms a neutral point of the stator winding, which is Y-connected, and The supporting component has a wire connection receptacle designed to receive a wire connection for connecting the other end of the stator winding as a neutral point connection. [17] Motor according to claim 15 or 16, further comprising: a cover component in which the cover component a connecting component cover part with an opening for inserting the conductive connection, which is arranged opposite the base part, and a conductor wire cover part designed to be positioned opposite the conductor wire receptacle. [18] Motor according to claim 17, wherein the cover component further comprises an inclined part, inclined at a predetermined angle with respect to the base part, between the opening and the conductor wire cover part and the angle lies in a range of 15 degrees to 45 degrees. [19] Motor according to any one of claims 1 to 18, wherein the motor is a motor to be used in a compressor which is installed in a vehicle. [20] Compressor with a compression mechanism for compressing and expelling a fluid and a motor for driving the compression mechanism, wherein the compressor comprises: the motor according to any one of claims 1 to 18 as the motor.

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