1576results about "Windings" patented technology

A motor according to an aspect of the present invention includes a rotor rotatable around a center axis and a stator located on one side of the rotor in an axial direction. The stator includes a plurality of magnetic poles facing an end surface of the rotor on the one side in the axial direction. The rotor includes a rotor body having an annular shape and including at least one magnet, a rotor frame including a plurality of arms extending in a radial direction, and a first cover fixed to the rotor frame. The at least one magnet has, at least in part or in whole, a magnetization direction in the axial direction. The plurality of arms are located on the other side of the rotor body in the axial direction. The first cover is configured to cover at least part of a surface of the at least one magnet, the surface facing the one side in the axial direction.

A stator for an electric machine is disclosed. The state includes a stator body having a plurality of stator teeth arranged distributed circumferentially and stator grooves formed between the stator teeth and extending through the stator body in the axial direction, wherein electrical conductors of a stator winding are arranged in the stator grooves, the electrical conductors emerging from the end of the stator body at least so as to form an end winding and being able to be energized by means of an electrical contact-making element, wherein the stator body is formed from a plurality of layered stator sheets, and the stator body has a plurality of fluid channels through which a cooling fluid can flow and which extend through the stator body in the axial direction.

The invention relates to a novel parallel pole-arc-changing hybrid excitation brushless synchronous generator, which comprises a first magnetic circuit, a second magnetic circuit and a third magnetic circuit, the first magnetic circuit is formed by an original stator permanent magnet rotor of the motor; corresponding hybrid excitation rotors are arranged on the left and right outer sides of the stator, and a second magnetic circuit is formed between the hybrid excitation rotors and the iron core of the stator; an excitation winding is further arranged on the outer side of the corresponding hybrid excitation rotor, and the excitation winding enables common teeth of the hybrid excitation rotor to be magnetized into different polarities, so that a third magnetic circuit for increasing or weakening magnetism is formed. The motor has the beneficial effects of wide rotating speed adjusting range, high power density and high efficiency.

The application provides a power assembly with reducer side wire outlet, a double-motor power assembly and an electric vehicle. The power assembly comprises an intermediate integrated shell, a resolver sensor, a motor and a reducer. The intermediate integrated shell comprises a partition plate and two circumferential shells. One circumferential shell is used for fixing a motor stator of the motor and accommodating a motor rotor of the motor, and comprises at least one through hole. The other circumferential shell is used for accommodating a gear set of the reducer. The partition plate is used for separating the inner cavities of the two circumferential shells. The partition plate comprises a shaft hole and at least one wire outlet hole. The shaft hole and the at least one wire outlet hole are used for connecting the inner cavities of the two circumferential shells. The shaft hole is coaxially arranged with an input shaft of the reducer or a motor shaft of the motor. The distance between the at least one wire outlet hole and the center point of the shaft hole is greater than the inner diameter of a resolver stator of the resolver sensor. The power assembly provided by the application has a smaller axial dimension.

Provided a stepper motor, includes a shell, a stator assembly, and a stator assemblies. The rotor assembly includes a rotary shaft and a steel magnet. The stator assemblies are sleeved to the rotor assembly and arranged in an axial direction of the rotary shaft. Each stator assembly includes a housing, a fixation claw pole, and a winding. The housing includes a housing body fixed to the shell, and an inclined structure portion formed by localized depression of an outer periphery of the housing body toward the rotor assembly. A circuit board is affixed to the housing body, an orthographic projection of the circuit board toward the rotor assembly at least partially falls into a confine of the inclined structure portion, the inclined structure portion is provided with an avoidance hole, and a lead of the winding extends out via the avoidance hole and is electrically connected to the circuit board.

The utility model discloses a lead assembly and a motor using the same. The lead assembly comprises a terminal connecting piece, a terminal piece suitable for being fixed in the terminal connecting piece, and a plurality of leads suitable for being pressed in the terminal piece. The terminal connecting piece at least comprises a body piece and a plurality of accommodating cavities arranged in the body piece; the terminal piece comprises a main body part, and a pair of combination parts and at least one pair of puncture parts which are respectively connected with the main body part; each pair of puncturing parts comprises two puncturing plates which are distributed side by side at an interval, and the two puncturing plates form an open slot suitable for accommodating one lead; the inner wall of the containing cavity is provided with a guide groove matched with each puncturing plate. At least one anti-falling structure in concave-convex interference fit is formed between the side wall, back on to the open groove, of each puncture plate and the guide groove. Each anti-falling structure comprises a convex hook pre-arranged on the puncturing plate and a groove formed by the guide groove due to extrusion deformation of the convex hook; the convex hook comprises a press-in wall, a connecting wall and an anti-falling wall which are sequentially distributed in the direction from the groove bottom of the guide groove to the groove opening.

Provided is a motor that is able to properly detect a temperature of a high-temperature position of a wire coil and can be assembled easily.A motor 1 includes: a stator 3; a rotor 2, rotatably installed; an insulator 11, installed to the stator 3, and having a cylindrical shape which exhibits an insulating property and in which wire winding parts 11d are arranged in a peripheral direction; wire coils 12, formed by winding wires 12a about the respective wire winding parts 11d of the insulator 11; and a temperature detection sensor 13, detecting a temperature of the wire coil 12. An opening part 15e for bringing the temperature detection sensor 13 into contact with the wire coil 12 is provided on an outer peripheral side of at least one wire winding part 11d. The opening part 15e is formed along a lamination direction of the wire coil 12.

A sealing arrangement for passing electrical connections through a wall of a casing of a device for driving a compressor, formed as an electric motor with a stator and a rotor. The sealing arrangement has a connection arrangement with a holding element and at least one electrically conductive connecting element, which protrudes through a feedthrough hole of the casing from a volume enclosed by the casing. The connection arrangement has a sealing element in each case with a sealing sleeve for a connecting element, which, in an area of the feedthrough hole of the casing and a through hole of the holding element, full-circumferentially enclosing the connecting element, abuts in each case on the connecting element and on the casing and on the holding element in a fluid-tight and electrically insulating manner between the connecting element and the casing, and between the connecting element and the holding element.

A motor includes a stator core, a coil portion, and a circuit board in a lidded cylindrical cover and covered with a covering portion that fills an inside of the cover. A guide portion of the cover is at an end portion of a board accommodation portion that surrounds and accommodates the circuit board. The guide portion accommodates and guides a lead wire to an outside in a radial direction. An end portion on an inside in the radial direction of a side wall portion is connected to the end portion on the one side in the axial direction of the board accommodation portion. An end portion on the one side in the axial direction of the side wall portion is farther to the one side in the axial direction than the end portion on the one side in the axial direction of the board accommodation portion.

A stator for an electric axial flux machine includes a support structure with two support discs having star extensions, a rotor shaft bearing, and coil units each arranged between two pairs of star extensions following one another in the circumferential direction and are thereby fixed in the circumferential direction. Respective end portions of each laminated core of the coil units project beyond the support structure in the axial direction. Radially external fixing ends of the star extensions project radially outwards beyond the coil units. The coil units are clamped radially in the direction of the rotor shaft bearing by a clamping ring. A stator outer shell is arranged between the support discs and radially surrounds the coil units in the circumferential direction, the stator outer shell being attached to the fixing ends of the star extensions for conjoint rotation.

A method for manufacturing an electrically excited rotor is described. The method comprises providing a rotor body with electrically conductive windings and potting the rotor body with a potting compound, such that an electrically conductive winding interface remains accessible. Furthermore, following the potting, the method includes connecting the winding interface to an electrical power supply to provide an excitation current for the windings.

A battery pack may include a housing including a support portion connectable to and supportable by an electrical device, the support portion defining a channel operable to receive a projection on the electrical device, the support portion including a plastic material molded to define the channel, and a metal material molded in the plastic material, the metal material defining a C-shaped portion around the channel. A battery pack may include a plurality of battery cells supported by the housing. A battery pack may include a battery terminal electrically connected to the plurality of battery cells and connectable to a terminal of the electrical device.

A stator of an electric motor includes: a stator core including a plurality of joined stator core parts each having a core back portion and a tooth portion; a plurality of insulators covering a plurality of the tooth portions; coils wound around the tooth portions via the insulators; and a plurality of magnetic substances provided between inner peripheral ends of the core back portions and the insulators in such a way as to straddle the core back portions of the stator core parts that are adjacent.

To provide a technology for detecting the temperature of a coil capable of easily fixing a temperature detector such as a thermistor used for detecting the temperature of the coil, capable of reducing the dispersion of a measured temperature, and capable of accurately measuring the temperature change of the coil with excellent responsiveness without interposing another member between the coil being a heating element and the temperature detector.SOLUTION: The insulating cap 10 with the groove for fixing the temperature detector is provided with a housing part 2 for housing the temperature detector D for detecting the coil temperature to be inserted from the outside on its inner wall surface, and the housing part 2 is formed so that at least a part of the temperature detector such as a thermocouple or a thermistor to be inserted is brought into contact with the coil C.SELECTED DRAWING: Figure 1-2

The utility model discloses an upper leading-out wire structure of a large steam turbine generator stator, which comprises a leading-out wire copper bar, a leading-out wire terminal, an external wind shield, a metal ventilation pipe, a flexible connector, a connecting terminal, a support plate and an internal wind shield, the leading-out wire structure is positioned at the upper end of the generator stator, and the head end of the leading-out wire copper bar is welded and fixed with the leading-out wire terminal. And the tail end of the connecting terminal is welded and fixed with the connecting terminal and is connected with the generator stator parallel ring through flexible connection, so that a complete electrical channel is formed. The hollow leading-out wire is simple and reliable in structure and convenient to mount and dismount, the temperature of a main lead of an existing large steam turbine generator is further reduced due to the design of the hollow leading-out wire, the safety and the reliability of a unit are improved, and the hollow leading-out wire can be widely applied to the design of air-cooled generator stator leading-out wires.

An electrical connector for electrically connecting an electric motor to an electric power module includes at least one conductor. Each conductor includes a first connecting part, configured to be connected to a motor busbar of the electric motor, and a second connecting part, configured to be connected to a module busbar of the electric power module. The electrical connector further includes a tolerance-absorbing structure arranged on at least one of the first connecting part and the second connecting part on the corresponding conductor. The tolerance-absorbing structure is configured to absorb installation tolerance between the motor busbar and the corresponding module busbar in at least two different directions.

The utility model provides a coreless motor, which relates to the technical field of coreless motors and comprises a rotor assembly, a stator assembly and a motor casing, a motor shaft is arranged in the center of the rotor assembly, a magnet is sleeved on the rotor assembly, a bearing is arranged on the rotor assembly, the stator assembly is an I-shaped glue pouring coil, and an annular iron core is arranged on the periphery of the stator assembly. A signal magnet is arranged at the bottom of the motor shaft, and a balance ring is arranged in the middle of the motor shaft. The stator coil is internally provided with a winding skeleton, the middle is filled with an elastic washer, and the bottom is a UVW three-phase line. The front bearing is limited by a snap spring, and the rear bearing clings to the wave washer. An end cover is arranged at the bottom of the motor shell and fastened through a screw, and a threaded through hole is formed in the wave washer. The motor performance is improved, the maintenance requirement is reduced, meanwhile, assembling and overhauling are convenient, and the stability and durability of the motor are improved.

The utility model provides a leading-out wire clamping plate, which comprises a leading-out wire clamping plate, the leading-out wire clamping plate is fixedly connected to the outer side of a motor, the motor is fixedly connected to the inner side of a support through a clamp, a coupling shaft is rotatably connected in the motor, the leading-out wire clamping plate is formed by clamping an upper clamping plate and a lower clamping plate, and concave cavities are arranged on the inner sides of the tops of the upper clamping plate and the lower clamping plate. The inner side of the upper clamping plate is fixedly connected with an abutting plate, and the inner side of the lower clamping plate is fixedly connected with a wire outlet plate. According to the utility model, the six outgoing line plates are arranged in the lower clamping plate to form five cavities for accommodating the outgoing lines, compared with the prior art, the number of the outgoing lines which can be led out is increased from three to five, meanwhile, the upper clamping plate is matched with the abutting plate in the upper clamping plate to completely fix the leads, the buckles with the hook parts are arranged on the two sides, located in the protection chamber, of the upper clamping plate, and the hook parts of the buckles recover to quickly hook the clamping grooves. The upper clamping plate and the lower clamping plate are tightly closed to prevent the outgoing line clamping plate from loosening.

This application relates to the field of motor technology, specifically to a stator assembly and a motor. The stator assembly includes: a stator core, comprising a stator yoke and multiple stator teeth, the multiple stator teeth being spaced circumferentially along the inner surface of the stator yoke, with a receiving groove formed between two adjacent stator teeth, the receiving groove having an opening located at the end of the receiving groove away from the stator yoke; and a cover, which is disposed on the opening, and the cover is a magnetically conductive material. By configuring the cover as a magnetically conductive material, the cover has magnetically conductive characteristics. Utilizing the magnetically conductive characteristics of the cover, the air gap magnetic permeability distribution is made more uniform, thereby effectively reducing the harmonic content of the air gap magnetic field and thus reducing eddy current losses.

The utility model discloses a busbar assembly, a motor, an electric driving system and a vehicle. The busbar assembly comprises a conducting bar and a support. The conducting bar is fixed on the bracket; the conducting bar comprises a pin section, the support is provided with a through groove, and a part of the wall surface of the pin section and at least part of the inner wall of the through groove are enclosed to form a limiting hole for a connecting wire to pass through. The structural design of the busbar assembly is beneficial to reducing the complexity of assembling with an electrical component and improving the reliability of electrical connection with the electrical component.

The present application provides a motor, comprising: a busbar (3), wherein the busbar (3) comprises a controller busbar (31) and a motor busbar (32), the controller busbar (31) is used for connecting to a controller (200), the motor busbar (32) is used for connecting to a winding of a stator of the motor, and the controller busbar (31) and the motor busbar (32) are connected together; an insulating base (1), wherein the controller busbar (31) is connected to the insulating base (1); and an insulating cover (2), wherein the insulating cover (2) defines a cooling oil cavity (22), the connection position of the controller busbar (31) and the motor busbar (32) is located inside the cooling oil cavity (22), and the connection position can be at least partially immersed in cooling oil in the cooling oil cavity (22). Also provided is a vehicle driving system.

To provide a wound-field rotary electric machine that can achieve appropriate rotation in a rotor that integrally rotates with a circuit module.SOLUTION: A wound-field rotary electric machine has a stator that has a stator winding, and a rotor that has field windings wound individually around main pole parts of a rotor core, and a harmonic current for inducing a field current in the field windings is caused to flow in the stator winding. The rotor has a circuit module that is connected with the field windings and forms a resonance circuit with the field windings, and a coil end cover 103 that covers coil end parts of the field windings. The coil end cover 103 is a balance adjustment member that adjusts the weight balance in a circumferential direction of the rotor, and has an adjustment part in at least part in the circumferential direction where the weight is reduced or increased.SELECTED DRAWING: Figure 16

The embodiment of the invention provides a motor which comprises a rotor provided with a rotating shaft rotating around a central axis, a stator opposite to the rotor in the radial direction, a shell used for containing the stator, and a control circuit board arranged on one side of the rotor and the stator in the axial direction, and an adapter is arranged between the control circuit board and the stator. Through the embodiment of the invention, the configuration of the axial position of the control circuit board in the motor can be changed, so that different performance and control requirements of the motor in a narrow space are met.

The invention relates to an inductively excited synchronous machine (1) with a stator (2), with a rotor (3) rotatably mounted on the stator (2) about an axis of rotation (4), with a rotary transformer (5) having a stator-fixed primary coil (6) and a rotor-fixed secondary coil (7), and with a rotor-fixed rectifier (8), wherein the rotor (3) has a rotor shaft (9), a rotor lamination stack (10) arranged on the rotor shaft (9) and a rotor winding (11) arranged on the rotor lamination stack (10), and wherein the rotor winding (11) has a winding head (14, 15) projecting axially beyond the rotor lamination stack (10) and spaced radially apart from the rotor shaft (9) at each axial end face (12, 13) of the rotor lamination stack (10). A compact design can be achieved if the rotor (3) has a winding carrier (16, 17) on each axial end face (12, 13) of the rotor lamination stack (10), which rests axially on the rotor lamination stack (10) and on which the respective winding head (14, 15) rests axially and radially on the outside, and if one of the winding carriers (16, 17) has a rectifier receptacle (18) in which the rectifier (8) is arranged.

The utility model relates to the field of motor fitting manufacturing, and discloses a stator connecting ring convenient to assemble, which comprises a shell and a connecting structure arranged on the shell and used for connecting an inverter and a winding coil, the connecting structure comprises four conductive assemblies which are longitudinally stacked in the shell and three insulating separators which are respectively arranged between two adjacent conductive assemblies. The conductive assembly comprises a conductive piece, a plurality of conductive contacts which are integrally formed on the conductive piece and are used for being electrically connected with the winding coil, and a conductive contact piece which is connected with the conductive piece and is used for being connected with the inverter. The stator connecting ring is simple in structure and very convenient to assemble.

A drive unit (1) comprising an electric machine (2) and an inverter (4) is described. The electric machine (2) includes a machine housing (3), a stator arranged therein, and a rotor rotatably mounted relative to the stator. The inverter (4) comprises an inverter housing part (5) with an inverter circuit (7) arranged thereon, and a busbar holder (8) for maintaining an electrical connection between the inverter (4) and the electric machine (2), the inverter housing part (5) being mounted on the machine housing (3).The busbar holder (8) is positioned via a first positioning pin (P1) and a second positioning pin (P2), wherein the first positioning pin (P1) is fitted in the inverter housing part (5), in the busbar holder (8), and in the machine housing (3), and the second positioning pin (P2) is fitted in the inverter housing part (5) and in the busbar holder (8) without being fitted in the machine housing (3). Furthermore, a vehicle (13) with such a drive unit (1) is specified, as well as a method for manufacturing such a drive unit (1).

To provide a stator that improves vibration resistance.SOLUTION: A stator includes a conductive member, an annular-shaped case, and a magnetic body. The conductive member has a band-shaped outline wound in a spiral shape. The annular-shaped case accommodates the conductive member. The magnetic body passes through the annual-shaped case. The inner surface of the case includes a plurality of fitting portions in the direction of the winding axis of the conductive member. The conductive member includes the plurality of fitting portions in the direction of the winding axis of the conductive member.SELECTED DRAWING: Figure 5

The utility model provides an adjustable-speed motor, a fixed-frequency compressor and refrigeration equipment. The adjustable-speed motor comprises a stator assembly. The stator assembly includes a stator winding and a stator core. The stator winding comprises a first winding and a second winding arranged in parallel with the first winding. The stator core body is provided with a first center hole used for installing the rotor assembly and a plurality of wire embedding grooves, the sizes of the wire embedding grooves are uniform, and the first winding and the second winding are arranged in the wire embedding grooves in a stacked mode. The adjustable-speed motor has a first speed and a second speed smaller than the first speed. In the first speed state, at least parts of coils in the first winding and the second winding are arranged in parallel. And in the second speed state, the coils in the first winding and the second winding are respectively connected in series. The adjustable-speed motor provided by the utility model can drive the fixed-frequency compressor to operate at different rotating speeds under the high-load working condition and the low-load working condition, so that the energy consumption and the operation noise of the refrigeration equipment under the low-load working condition are reduced, and the user satisfaction is improved.

The present disclosure relates to an electromechanical apparatus (100) and to a transmission unit comprising the electro-mechanical apparatus (100) for changing motion parameters and to a vehicle comprising the transmission unit, the electro-mechanical apparatus (100) comprising a first rotating electromechanical ma-chine (110) comprising a first stator (112) and a first rotor (120), a second rotating electromechanical machine (130) having a smaller radial extension than the first rotating electromechanical machine (110) and comprising a second stator (132) and a second rotor (140), wherein the second rotating electromechanical ma-chine (130) is arranged radially within the first rotating electromechanical ma-chine (110) thereby forming an interleaving region (176) of the electromechanical apparatus (100), and wherein the first stator (112) and the second stator (132) are ironless, and wherein the first rotor (120) and the second rotor (140) are per-manent-magnet rotors or rotors comprising a winding for electrical excitation.