346 results about "Rotary compressor" patented technology

The utility model discloses a rotary compressor and refrigeration equipment, and relates to the technical field of compressors, the rotary compressor comprises a motor, the motor comprises a stator and a rotor, the stator comprises a stator iron core and a stator winding, the stator iron core comprises an annular yoke part and a plurality of tooth parts arranged in the yoke part, the plurality of tooth parts are spaced along the circumferential direction of the yoke part, and the stator winding is arranged in the yoke part; a stator groove is formed between every two adjacent tooth parts, the stator winding is wound in the stator grooves, and the rotor comprises a rotor iron core; the pump body part comprises a crankshaft, an upper bearing and a cylinder; the number of the stator grooves is Q, the number of poles of the rotor is P, the maximum outer circle contour radius of the rotor core is R1, the maximum outer circle contour outer diameter is D1, D1 = 2 * R1, the outer diameter of the part, matched with the upper bearing, of the crankshaft is D2, GCD (Q, P) is the largest common divisor of Q and P, and GCD (Q, P) is larger than or equal to # imgabs0 # 5 and smaller than or equal to 6. The rotary compressor disclosed by the utility model is beneficial to improving the energy efficiency of the rotary compressor and reducing the electric energy consumption during operation.

The invention relates to the technical field of measuring and matching equipment, solves the problem that compressor matching equipment is insufficient in automation degree, and particularly discloses a rotary piston, air cylinder and blade sorting assembly line and a sorting and matching method.The rotary piston, air cylinder and blade sorting assembly line comprises an air cylinder sorting device, a piston sorting device, a blade sorting device and a component matching discharging mechanism; the component matching discharging mechanism is arranged below the discharging ends of the air cylinder sorting device, the piston sorting device and the blade sorting device. The air cylinder sorting device comprises an air cylinder feeding mechanism and an air cylinder measuring mechanism connected to the discharging end of the air cylinder feeding mechanism. The piston sorting device comprises a piston feeding mechanism, a piston measuring mechanism and a piston temporary storage warehouse which are connected in sequence; the blade sorting device comprises a blade feeding mechanism, a blade measuring mechanism and a blade temporary storage warehouse which are connected in sequence. The device is used for model selection and pairing of air cylinders, pistons and blades in rotary compressor production, the automation process is smoothly linked, and the working efficiency is high.

The present invention provides a rotary compressor that can raise the rollers to an appropriate height during operation. [Solution] The lower end surface of the roller (36) of the rotary compressor (1) has a horizontal surface (36a) parallel to the upper surface of the rear head (42), and an inclined surface (36b) that extends continuously from the outer circumference of the horizontal surface (36a) to the outer circumference surface (36o) of the roller (36), and is inclined so as to be located upward as it moves radially outward.

To suppress vibration of an accumulator caused by operation of a compressor.SOLUTION: A compressor unit includes a compressor (1) and an accumulator (2) adjacent to the compressor (1), and the compressor (1) includes a first casing (10) having a cylindrical first body portion (11), an electric motor (20) accommodated in the first casing (10), a drive shaft (70) driven by the electric motor (20), and a rotary compression mechanism (15) that compresses a fluid. An accumulator (2) has a second casing (60) having a tubular second body section (61) horizontally adjacent to the first casing (10), and also has outlet pipes (65a, 65b) extending from the lower part of the second casing (60) and connected to the first body section (11), wherein a first eigenvalue (s1) in the rolling direction of the accumulator (2) does not overlap with a value of n·N (where N is an integer) which is an integer multiple of the maximum rotational speed (n) of a compressor (1).SELECTED DRAWING: Figure 2

A rotary compressor is disclosed. The rotary compressor comprises a casing, a cylinder, a bearing plate, a roller, vanes and a plurality of pressing passages, wherein the plurality of pressing passages penetrate the discharge side of a vane slot from the outer peripheral surface of the cylinder, and can be spaced apart from each other in the height direction of the vane slot. Therefore, each of the pressing passages is formed at upper and lower ends or near both ends of the vane corresponding to both ends of the vane slot in the height direction, so as to ensure the straightness of the vane such that the vane can be more stably supported.

The present invention provides a flange, a pump body assembly, and a rotary compressor, wherein the flange includes a flange body, the flange body having a through hole penetrating the flange plate and the shaft neck, a flexible annular groove configured on the second end face of the flange body surrounding the opening of the through hole, the flexible annular groove comprising a first annular wall and a second annular wall spaced apart from each other, one of the first annular wall and the second annular wall being an integral structure with the flange body, and the other of the first annular wall and the second annular wall being an assembled structure with the flange body. In the present invention, one of the first annular wall and the second annular wall is connected to the flange body by assembly, and then forms the flexible annular groove together with the other annular wall integrally formed with the flange body. The assembly can form a flexible annular groove of smaller width, without requiring direct machining to form the flexible annular groove of smaller width, effectively reducing the difficulty and cost of machining the flexible annular groove and improving the machining efficiency of the flexible annular groove.

The invention relates to a screw compressor (300), comprising a compressor block having a compressor housing (312), wherein two compressor screws (312a) are received and can be rotated in the compressor housing (312), the compressor housing (312) has an upstream inlet (314) for gas to be compressed and a downstream outlet (318) for compressed gas and, during an operation of the screw compressor (300), the gas is conveyed from the inlet (314) to the outlet (318), the pressure of the gas being increased by reducing the size of a movable chamber (320), which is formed by the compressor screws (312a), in the flow direction after the chamber has passed a control edge (322). According to the invention, the compressor housing (312) has a separation between a downstream high-temperature region (324) and an upstream low-temperature region (326), a material with a reduced thermal conductivity compared to the high-temperature region (324) being present at least in the region of the separation.

An electric rotary compressor (1) comprises a housing (10), an electric motor (15), and a compression mechanism (20) that compresses a coolant. The compression mechanism (20) has a rotating shaft (30) and an outer circumferential surface (21). The housing (10) has an inner circumferential surface (12). The electric rotary compressor (1) further comprises an outlet pressure region (2) defined between the inner circumferential surface (12) and the outer circumferential surface (21). The outlet pressure region (2) has an oil storage chamber (120), an outlet chamber (130), and a central chamber (140). A space between the oil storage chamber (120) and the central chamber (140) is constricted by a first convex section (100). A space between the central chamber (140) and the outlet chamber (130) is constricted by a second convex section (101).

A fluid compressor system has a scavenge loss limiter that increases the efficiency of the fluid compressor system by reducing the compressed working fluid recirculated into the airend through a scavenge flow. The scavenge loss limiter includes a scavenge hole positioned at a discharge end face of a rotor cavity of the compressor housing. As a rotor of the compressor system rotates, the rotor may intermittently restrict the free-flowing scavenge flow returning from a lubricant separation tank. The rotor may be a male rotor having a plurality of male lobes. As the discharge end clearance between the rotor and the discharge end face is tightly controlled and monitored, a better control of the scavenge flow returning to the rotor cavity is achieved.

A rotary compressor (1) and an apparatus using the same are provided. A compression mechanism section (30) has a cylinder (31), a piston (32) disposed in the cylinder, and a vane (33) partitioning the cylinder. A shaft (40) has an eccentric portion (42). A vane groove (36) in which the vane is disposed is formed in the cylinder (31). The eccentric portion (42) is disposed in the cylinder. The piston (32) is fitted to the eccentric portion (42). A cylindrical groove (32a) having a circular arc angle α of more than 180° is formed in the piston (32). A cylindrical portion (33b) is formed in an end portion of the vane (33) so as to be disposed in the cylindrical groove (32a). The vane (33) operates without leaving the piston (32). The cylindrical groove (32a) is easily formed in the piston (32) by setting the Vickers hardness of the surface of the piston (32) to Hv400 or less. The piston (32) and the vane (33) have high wear resistance.

The present invention provides a rotary compressor comprising: a casing; a cylinder having a compression space within the inner peripheral surface thereof; a roller rotatably provided in the compression space of the cylinder; a drive motor including a stator and a rotor; and a first balance weight provided at one side on the upper surface of the rotor and a second balance weight provided at the other side on the lower surface of the rotor, wherein the first and second balance weights have an inner peripheral surface and an outer peripheral surface formed as a curved surface and, in the circumferential direction, the value of the ratio of the length of the inner peripheral surface of the first balance weight to the length of the outer peripheral surface thereof is less than the value of the ratio of the length of the inner peripheral surface of the second balance weight to the length of the outer peripheral surface thereof.

The present application relates to the field of air conditioners, in particular to a double-cavity rotor compressor and an air conditioner; the double-cavity rotor compressor comprises: an inner cylinder having an outer peripheral wall surface; an outer cylinder having an inner peripheral wall surface, the outer cylinder being coaxially sleeved outside the inner cylinder; a ring wall being sleeved outside the inner cylinder and located inside the outer cylinder, the ring wall comprising an inner ring surface and an outer ring surface; the inner peripheral wall surface is tangent to the outer ring surface, and an outer compression cavity is formed between the inner peripheral wall surface and the outer ring surface; the outer peripheral wall surface is tangent to the inner ring surface, and an inner compression cavity is formed between the outer peripheral wall surface and the inner ring surface; a sliding vane is arranged between the inner peripheral wall surface and the outer peripheral wall surface and passes through the ring wall, the sliding vane comprising an outer end and an inner end, the outer end being in sealed sliding contact with the inner peripheral wall surface, and the inner end being in sealed sliding contact with the outer peripheral wall surface; the sliding vane can rotate with the ring wall and can slide radially in the ring wall, so as to solve the technical problem of separation of the sliding vane from the cylinder during operation of the sliding vane compressor.

This invention provides a pump body assembly and a rotary compressor to improve volumetric efficiency and reduce exhaust noise. The pump body assembly includes: a front-stage cylinder with a first exhaust port; a rear-stage cylinder with a first intake port; a connecting component having a connecting channel; one end of the connecting channel communicating with the first exhaust port and the other end communicating with the first intake port; and a first movable component disposed within the connecting channel. The first movable component includes a first movable member movably disposed along the axial direction of the connecting channel, allowing the connecting channel to have a connected state and a disconnected state, thereby connecting or disconnecting the first exhaust port and the first intake port.

A rotary compressor and a refrigeration apparatus, the rotary compressor comprising an electric motor and a pump body component. The electric motor comprises a stator and a rotor, wherein the stator comprises a stator core and stator windings, and the rotor comprises a rotor core; the stator core comprises an annular yoke portion and a plurality of tooth portions arranged in the yoke portion; a stator slot is formed between every two adjacent tooth portions, and the stator windings are wound within the stator slots. The pump body component comprises a crankshaft, an upper bearing and a cylinder. The number of stator slots is Q, the number of poles of the rotor is P, the maximum outer circular contour radius of the rotor core is R1 and the maximum outer circular contour outer diameter is D1, where D1=2*R1, the outer diameter of the part of the crankshaft that engages with the upper bearing is D2, and GCD(Q, P) is the greatest common divisor of Q and P, satisfying: formula (1), formula (2) and formula (3).

The invention discloses a rotary compressor and refrigeration equipment, and relates to the technical field of compressors, the rotary compressor comprises a motor, the motor comprises a stator and a rotor, the stator comprises a stator iron core and a stator winding, the stator iron core comprises an annular yoke part and a plurality of tooth parts arranged in the yoke part, the tooth parts are spaced in the circumferential direction of the yoke part, and the stator winding is arranged in the yoke part; a stator groove is formed between every two adjacent tooth parts, the stator winding is wound in the stator grooves, and the rotor comprises a rotor iron core; the pump body part comprises a crankshaft, an upper bearing and a cylinder; the number of stator grooves is Q, the number of poles of the rotor is P, the maximum outer circle contour radius of a rotor core is R1, the maximum outer circle contour outer diameter is D1, D1 = 2 * R1, the outer diameter of the portion, matched with the upper bearing, of the crankshaft is D2, GCD (Q, P) is the largest common divisor of Q and P, and GCD (Q, P) is larger than or equal to 5 and smaller than or equal to 6. According to the rotary compressor, the energy efficiency of the rotary compressor is improved, and the electric energy consumption of operation is reduced.

This disclosure provides a compressor that suppresses noise generation by suppressing variations in the gap between the muffler and the bearing, for bearings having discharge holes. [Solution] A rotary compressor comprising: a shaft extending in a first direction; a motor that drives the shaft; a first bearing that supports the shaft and has a discharge hole through which compressed refrigerant is discharged; a cylinder that forms a cylinder chamber inside; a roller fixed to the shaft and rotating eccentrically in the cylinder chamber; and a muffler arranged to cover the discharge hole, wherein the motor, the muffler, the first bearing, and the cylinder are arranged in order along the first direction; the first bearing has a boss portion that supports the shaft and protrudes toward the muffler; the muffler has an opening through which the boss portion passes; and the positioning structure determines the position of the muffler relative to the first bearing such that the first bearing or the muffler has a gap with the opening around the entire circumference in the outer direction of the boss portion.

The first oil supply passage (60) has a first axial passage (61) disposed radially offset from the center of rotation of the drive shaft (25) and extending in the axial direction from the storage space (36), and a first connection passage (62) connecting the first axial passage (61) and the sliding surface of the first sliding member (65). The second oil supply passage (70) has a second axial passage (71) disposed radially offset from the center of rotation of the drive shaft (25) and extending in the axial direction from the storage space (36) at a position away from the first axial passage (61), and a second connection passage (72) connecting the second axial passage (71) and the sliding surface of the second sliding member (75).

To provide a rotary compressor that ensures sufficient compressor capacity and resistance to high-pressure loads on the medium to be compressed. [Solution] In a rotary compressor (100) housed in a sealed container (C) and having a compression section (30) for compressing a medium to be compressed and a drive section (40) for driving the compression section (34), the sealed container (C) comprises a hollow first shell (10) having an opening that is open on at least one axial side, and a second shell (22) that closes the opening, wherein the diameter of the first shell (10) on one axial side that houses at least a part of the compression section (30) is larger than the diameter of the other axial side that houses at least a part of the drive section (40), and the axial side portion of the first shell (22) that houses at least a part of the compression section (30) is covered by the second shell (22) from the radially outside, and the first shell (10) and the second shell (22) are in contact with each other with a radial overlap to form a cover section (50).

This disclosure provides a rotary compressor that allows lubricating oil to flow smoothly from the top to the bottom inside the casing. [Solution] A rotary compressor comprising: a shaft extending along a first direction; a cylinder forming a cylinder chamber inside; a roller fixed to the shaft and rotating eccentrically in the cylinder chamber; an upper bearing supporting the shaft and having a first discharge port for discharging compressed refrigerant; a muffler covering the first discharge port and having a second discharge port for discharging the refrigerant discharged from the first discharge port; a rotor to which the shaft is fixed; a stator; a motor for rotating the shaft; and a first cylindrical member attached to the upper bearing, wherein the stator comprises a coil, a stator core, and an insulator insulating the space between the coil and the stator core, and the first member is provided outside the second discharge port with respect to the radial direction of the shaft in a view from the first direction, and the upper end of the first member is provided above the lower end of the insulator.

The application discloses a rotary compressor and a refrigeration equipment, the rotary compressor comprises a shell, a motor and a compression mechanism, the motor and the compression mechanism are arranged in the shell, the motor comprises a stator and a rotor, the compression mechanism comprises a crankshaft, the crankshaft is connected with the rotor, the rotary compressor satisfies 5<=GCD(Q,P)<=6; wherein, Q is the slot number of the stator, P is the pole number of the rotor, D2 is the inner diameter of the stator, D1 is the outer diameter of the stator, T1 is the thickness of the stator core of the stator, and d is the diameter of the crankshaft. The rotary compressor provided by the application adopts reasonable ratio settings for the slot number Q of the stator, the pole number P of the rotor, the outer diameter D1 of the stator, the inner diameter D2 of the stator, the thickness T1 of the stator core and the diameter d of the crankshaft, thereby improving the operation stability and energy efficiency of the rotary compressor.

The utility model belongs to the technical field of rotor compressor, disclose a cylinder subassembly, compressor pump body, rotor compressor and air conditioner, including cylinder body, the cylinder wall of cylinder body is provided with the spring hole and the knife mark hole along the radial direction on slide vane groove, slide vane groove includes the first groove section and the second groove section that link in order; The starting point of first groove section is the inner wall of working chamber of cylinder body, and the endpoint of first groove section is the hole bottom tip portion of spring hole; The starting point of second groove section is the hole bottom tip portion of spring hole, and the endpoint of second groove section is the through part of slide vane groove and knife mark hole; The second groove section is wedge groove, and the big end of second groove section is through with knife mark hole, and the small end of second groove wall is through with first groove section; The utility model can avoid the movement track of slide vane at the cross line of the groove wall of slide vane groove and the interpenetration of spring hole, eliminates the abnormal wear of slide vane, and then improves the performance of compressor, and reduces the noise generation of compressor operation process, improves the overall adaptability and overall service life of compressor.

This invention relates to the field of rotary compressor technology, specifically disclosing a rotary compressor and refrigeration equipment. The rotary compressor includes a housing and a compression assembly disposed within the housing. The compression assembly includes a cylinder body, a piston, a drive motor, and a crankshaft. The piston is eccentrically rotatably disposed within the compression chamber of the cylinder body. The crankshaft is connected to the piston, and the drive motor is driven by the crankshaft to rotate the piston. The inner diameter of the cylinder body is Dc, and the outer diameter of the drive motor is Dm. Therefore, 2.24 ≤ Dm / Dc ≤ 3.15. By limiting the ratio of the inner diameter Dc of the cylinder body to the outer diameter Dm of the drive motor within the above-mentioned range, this design minimizes the inner diameter Dc of the cylinder body during the rotary compressor design process, while ensuring stable operation. This reduces radial leakage, lowers frictional losses, improves compressor performance, lowers compressor power consumption, and optimizes the overall performance of the compressor.

The application belongs to the technical field of compressors, and particularly relates to a rotor compressor. The rotor compressor further comprises a gas conveying mechanism, the gas conveying mechanism comprising an air inlet member and an air outlet member, the input end of the air inlet member being arranged outside the casing, the output end of the air inlet member being in communication with the air inlet of the compression chamber; the air inlet member is used for conveying refrigerant to the compression chamber, and the compression chamber is used for compressing the refrigerant; the input end of the air outlet member is in communication with the air outlet of the compression chamber, the output end of the air outlet member being arranged outside the casing, and the air outlet member is used for conveying the compressed refrigerant outside the casing. The rotor compressor provided by the application can improve the heat dissipation and output efficiency of the compressor.

To provide a rotary compressor enhancing the machining accuracy of an arc surface of a circular column part, and to provide a device using the rotary compressor.SOLUTION: A compressing mechanism part 30 includes a cylinder 31, a piston 32, and a vane 33. A shaft 40 has an eccentric part 42. A slot is formed in the cylinder 31. The eccentric part 42 is disposed in the cylinder 31. The piston 32 is engaged with the eccentric part 42. A columnar groove 32a whose arc angle α exceeds 180° is formed at the piston 32. A column part 33b disposed at the columnar groove 32a is formed at the edge part of the vane. The vane 33 operates without separating from the piston 32. A notch part 33d ranging from one end surface to another end surface of the column part 33b is formed at the column part 33b. An arc surface 33e of the column part 33b is separated to a plurality of pieces by the notch part 33d. Each of arc surfaces 33e is made to have an arc angle β of less than 180°, and the notch part 33d is made to have an arc angle γ of less than 45°.SELECTED DRAWING: Figure 3

The utility model discloses a slide vane mechanism for rotor compressor, including first, second slide, first, second slide fit and connect integral, first, second slide same direction one end always be located in cylinder as inside end, another end as outside end in same direction, first slide is equipped with a plurality of mounting blocks, and each mounting block is linear distribution in inside end to outside end direction, second slide is equipped with a plurality of mounting slots, and each mounting block is correspondingly clamped into the mounting slot, and each mounting block has a through cavity inside, first slide inside corresponds each mounting block and is equipped with main oil circuit, connecting oil circuit respectively, and main oil circuit communicates with the through cavity one end in corresponding mounting block through connecting oil circuit, and each main oil circuit is connected in series and communicates and forms series connection oil circuit, wherein first stage main oil circuit beginning end is arranged on first slide and forms oil inlet, and last stage main oil circuit is arranged on first slide outside end and forms oil outlet, the utility model can form multiple oil seal line, and the ability of preventing leakage is stronger.

The invention relates to the technical field of compressors, and provides a compression assembly and a rotary compressor, the number of cylinder covers is two, and the two cylinder covers are arranged at an interval on the axis of a crankshaft and are relatively fixed; the air cylinder is located between the two cylinder covers and provided with a compression cavity, the piston is arranged in the compression cavity, an air suction port is formed in the side wall of the air cylinder in the axis direction perpendicular to the crankshaft, and one end of the air suction port communicates with the compression cavity. The first middle plate is located on the side, on the axis of the crankshaft, of the air cylinder and fixed relative to the air cylinder, the first middle plate is provided with a first boss on the axial end face of the crankshaft, the first boss is inserted into the compression cavity, and in the compression cavity, the first boss and the piston are sequentially arranged along the axis of the crankshaft. Therefore, the minimum safe wall thickness from the air suction port to the end face of the air cylinder can be guaranteed, the caliber of the air suction port is increased, air suction resistance is reduced, the height of the air cylinder during actual operation of the compressor can be reduced, the volume utilization rate of the air cylinder is improved, and compressor performance is improved.

Rotary compressor (100) for an air treatment system of a vehicle comprising a compression cell (2) for producing compressed gas streams, and a separation unit (200) for separating oil from the compressed gas streams, wherein the separation unit is in fluid communication with the compression cell and is configured to separate oil from the compressed gas stream exiting an outlet (9) of the compression cell, and wherein the separation unit comprises a first separator (204), in particular a centrifugal separator, and a second separator (202), in particular a deceleration separator, wherein the second separator is positioned downstream of the first separator in the direction of the compressed gas stream.

The utility model relates to the technical field of compressors, and discloses an oil passage structure and a rotary compressor. The fixing part is arranged on the peripheral wall of the base, the fixing part is provided with a first side wall and a second side wall which are spaced in the circumferential direction of the base, the adjacent first side wall and second side wall are spaced in the circumferential direction of the base to form an avoiding gap, and the avoiding gap is located on the outer side of the fixing part; connecting parts are arranged in the avoiding gaps and connected between the corresponding first side walls and the corresponding second side walls, the connecting parts and the base are spaced in the radial direction of the base to form oil passing channels, at least one connecting part is provided with an oil return notch in the end wall in the axial direction of the base, and the oil return notches extend in the axial direction of the base so that the length size of the oil passing channels can be reduced. Therefore, the length size of the oil passing channel is reduced through the oil return notch, the flowing speed of lubricating oil in the oil passing channel can be increased, and therefore the accumulation amount of the lubricating oil above the oil channel structure can be reduced in an accelerated mode.

The invention relates to a rotor compressor and an air conditioner, relates to the technical field of rotor compressors, and aims to solve the problem that a slip sheet in the rotor compressor is separated from a roller during low-frequency operation. The rotor compressor comprises a cylinder body, a rotor, a roller, a slip sheet and a connecting assembly. One end of the cylinder body is provided with a compression groove, and an air inlet, an air outlet and a sliding groove which are communicated with the compression groove. The rotor and the roller are arranged in the compression groove, and the roller is arranged on the outer side of the rotor in a sleeving mode so that the rotor of the eccentric structure can drive the roller to rotate along the side wall of the compression groove. The sliding piece is arranged in the sliding groove. One end of the slip sheet is in contact with the outer wall of the roller in the length direction of the slip sheet. The roller and the sliding piece divide the compression groove into an air inlet cavity and an air outlet cavity, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet. In the length direction of the sliding piece, one end of the connecting assembly is connected with the sliding piece, and the other end of the connecting assembly is rotationally connected with the roller to prevent the sliding piece from being away from the roller.