CN112576514B - Pump body assembly, compressor and air conditioner with same - Google Patents

Pump body assembly, compressor and air conditioner with same Download PDF

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Publication number
CN112576514B
CN112576514B CN202011377300.3A CN202011377300A CN112576514B CN 112576514 B CN112576514 B CN 112576514B CN 202011377300 A CN202011377300 A CN 202011377300A CN 112576514 B CN112576514 B CN 112576514B
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CN
China
Prior art keywords
air supply
roller
outlet
air
pump body
Prior art date
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Active
Application number
CN202011377300.3A
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Chinese (zh)
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CN112576514A (en
Inventor
聂军
阙沛祯
刘聪
周瑜
王浩
崔雪梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Application filed by Gree Green Refrigeration Technology Center Co Ltd of Zhuhai filed Critical Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority to CN202011377300.3A priority Critical patent/CN112576514B/en
Publication of CN112576514A publication Critical patent/CN112576514A/en
Application granted granted Critical
Publication of CN112576514B publication Critical patent/CN112576514B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
    • F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/10—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/20—Rotors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The application provides a pump body assembly, a compressor and an air conditioner with the same, wherein the pump body assembly comprises a roller and an air cylinder; the roller is rotatably arranged in the cylinder; an air supply outlet is arranged on the roller; the air supply outlet is communicated with a working cavity of the cylinder; the air supply outlet is used for supplying air to the air cylinder by introducing a refrigerant. According to the pump body assembly, the compressor and the air conditioner with the same, the air supplementing and enthalpy increasing effects can be improved.

Description

Pump body assembly, compressor and air conditioner with same
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to a pump body assembly, a compressor and an air conditioner with the pump body assembly and the compressor.
Background
At present, in the prior art, when a conventional compressor operates under a low-temperature heating working condition, the capacity and energy efficiency are seriously attenuated, the exhaust temperature is high, the reliability of the compressor is reduced, and the gas and enthalpy increasing technology is developed at present, while two enthalpy increasing modes of single-stage enthalpy increasing and double-click enthalpy increasing exist, in recent years, the single-stage enthalpy increasing is widely applied to areas with the environmental temperature not lower than minus 10 ℃ due to the characteristics of simple structure, easy realization and the like. There are two ways to increase enthalpy by single stage gas injection: roller seal air supplement and check valve air supplement.
However, roller sealing air supplement utilizes the wall thickness of the roller to supplement air within a certain angle range, the air supplement range is limited, the size of an air supplement port is limited, the air supplement flow is limited, and the air supplement backflow phenomenon is easy to occur under variable working conditions. The check valve performs air compensation in a sealing manner by means of the valve plate and the valve plate baffle in the prior art, the structure has little air compensation backflow, but the number of air compensation ports is limited, the air compensation flow is limited, and the enthalpy increasing effect of air compensation needs to be improved.
Therefore, how to provide a pump body assembly capable of improving the air-supplementing enthalpy-increasing effect, a compressor and an air conditioner with the pump body assembly and the compressor become problems to be solved by those skilled in the art urgently.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a pump body subassembly, compressor and have its air conditioner, can improve the tonifying qi and increase enthalpy effect.
In order to solve the above problems, the present application provides a pump body assembly including a roller and a cylinder; the roller is rotatably arranged in the cylinder; an air supply outlet is arranged on the roller; the air supply outlet is communicated with the working cavity of the cylinder; the air supply outlet is used for supplying air to the air cylinder by introducing a refrigerant.
Preferably, the air supply outlet is a through hole; the through hole extends from the inner peripheral wall of the roller to the outer peripheral wall of the roller; and/or the number of the air supply outlets is set to be at least one.
Preferably, the rollers comprise an outer roller and an inner roller; the outer roller is sleeved outside the inner roller; the air supply outlet comprises an outer outlet and an inner outlet; the outer outlet is arranged on the outer roller; the inner outlet is arranged on the inner roller, and the outer outlet is communicated with the inner outlet.
Preferably, the pump body assembly further comprises a valve body; the valve body is used for controlling the opening and closing of the air supply outlet.
Preferably, a valve body groove is arranged on the roller; the valve body is arranged in the valve body groove; and/or the valve body is a valve plate assembly.
Preferably, when the roller is provided with the valve body groove, the valve body groove is opened on the outer peripheral wall of the inner roller; and the valve body groove corresponds to the position of the air supply outlet.
Preferably, the pump body assembly further comprises a crankshaft; the crankshaft has an eccentric portion; the roller is sleeved on the eccentric part; the crankshaft is provided with an air supplementing channel; the air supply channel is communicated with the air supply outlet; the air supply channel is used for guiding the refrigerant to flow to the air supply outlet.
Preferably, the pump body assembly further comprises an air supply inlet; the air supply inlet is communicated with the air supply channel; the air supply inlet is used for guiding external refrigerants to enter the air supply channel; the pump body assembly further comprises a flange; the air supply inlet is arranged on the flange;
and/or the pump body assembly comprises at least two cylinders; a partition part is arranged between at least two cylinders; the air supply inlet is arranged on the separating part.
Preferably, the supplement air passage extends in a central axis direction of the crankshaft;
and/or the air supply channel corresponds to the position of the low-pressure side of the cylinder;
and/or the air supplementing channel is eccentrically arranged with the crankshaft.
According to still another aspect of the present application, there is provided a compressor, including a pump body assembly, the pump body assembly being the above pump body assembly.
According to still another aspect of the present application, there is provided an air conditioner including a compressor, the compressor being the above-mentioned compressor.
The application provides a pump body subassembly, compressor and have its air conditioner exports the setting on the roller with the tonifying qi, simple structure, and unrestricted, can set up one or more tonifying qi mouth according to the condition, increases the tonifying qi flow, improves the compressor tonifying qi and increases the enthalpy effect, promotes compressor refrigerating capacity and efficiency, reduces exhaust temperature.
Drawings
FIG. 1 is a schematic structural view of a pump body assembly according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a pump body assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a pump body assembly according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a roller according to an embodiment of the present application.
The reference numerals are represented as:
1. a roller; 11. an outer roller; 12. an inner roller; 13. an air supply outlet; 131. an outer outlet; 132. an inner outlet; 2. a cylinder; 3. a crankshaft; 31. a gas supply channel; 4. an air supply inlet; 5. a flange; 6. a partition portion; 71. a valve body; 72. a valve body groove; 81. an upper muffler; 82. a lower silencer; 9. and a seal.
Detailed Description
Referring collectively to fig. 1, according to an embodiment of the present application, a pump block assembly includes a roller 1 and a cylinder 2; the roller 1 is rotatably arranged in the cylinder 2; the roller 1 is provided with an air supply outlet 13; the air supply outlet 13 is communicated with the working cavity of the cylinder 2; the air supply outlet 13 is used for supplying air to the refrigerant in the air cylinder 2, the air supply outlet 13 is arranged on the roller 1, the structure is simple, the air supply outlet is not limited, one or more air supply ports can be arranged according to conditions, the air supply flow is increased, the air supply enthalpy increasing effect of the compressor is improved, the refrigerating capacity and the energy efficiency of the compressor are improved, and the exhaust temperature is reduced.
The application also discloses some embodiments, the air supply outlet 13 is a through hole; the through-hole extends from the inner circumferential wall of the roller 1 to the outer circumferential wall of the roller 1.
The application also discloses that the number of the air replenishing outlets 13 is set to be at least one in some embodiments, and the number of the air replenishing outlets 13 is set to be one or more according to requirements. Because the roller 1 can be provided with a plurality of air supplementing ports, the air supplementing device can realize double-cylinder double air supplementing, four air supplementing, six air supplementing and even more air supplementing ports, greatly increases the air supplementing amount of the compressor, improves the capacity and the energy efficiency of the compressor, and reduces the exhaust temperature.
The application also discloses embodiments, the roller 1 comprises an outer roller 11 and an inner roller 12; the outer roller 11 is sleeved outside the inner roller 12; the make-up air outlet 13 includes an outer outlet 131 and an inner outlet 132; the outer outlet 131 is provided on the outer roller 11; the inner outlet 132 is provided on the inner roller 12, and the outer outlet 131 communicates with the inner outlet 132; the outer outlet 131 extends through the outer roller 11 in the radial direction of the roller 1; the inner outlet 132 extends through the inner roller 12 in the radial direction of the roller 1; i.e. the outer outlet 131 is a through hole and the inner through hole is a through hole.
The application also discloses embodiments in which the pump body assembly further comprises a valve body 71; the valve body 71 is used for controlling the opening and closing of the make-up air outlet 13.
The application also discloses some embodiments, a valve body groove 72 is arranged on the roller 1; the valve body 71 is arranged in the valve body groove 72; the application also discloses that the valve body 71 of some embodiments is a valve plate assembly.
When the roller 1 is provided with the valve body groove 72, the valve body groove 72 is formed in the outer peripheral wall of the inner roller 12; and the valve body groove 72 corresponds to the position of the supplement air outlet 13. The valve body groove 72 is arranged in the radial wall thickness direction of the inner roller 12, namely on the outer peripheral wall of the inner roller 12, and the valve body 71 is a valve plate assembly; the valve plate assembly comprises a valve plate, a valve plate baffle and a connecting screw; and fixing the valve plate and the valve plate baffle on the inner roller 12 by adopting a connecting screw. The valve body slot 72 is as small as structurally possible to minimize the make-up pressure loss. When the internal pressure of the cylinder 2 is lower than the pressure of the valve body groove 72, the valve plate opens the air supply outlet 13 to be communicated with the air supply channel 31, and the refrigerant enters the air supply channel 31 through the air supply inlet 4, then enters the valve body groove 72 and enters the cylinder 2 through the outer outlet 131 to realize air supply enthalpy increase. When the air replenishing pressure in the cylinder 2 is higher than the pressure in the valve body groove 72, the valve plate is closed, and the air replenishing outlet 13 is separated from the air replenishing channel 31; and (5) ending air supplement.
The application also discloses some embodiments, the pump body assembly further comprises a crankshaft 3; the crankshaft 3 has an eccentric portion; the roller 1 is sleeved on the eccentric part; the crankshaft 3 is provided with an air supplementing channel 31; the air supply passage 31 is communicated with the air supply outlet 13; the charge air passage 31 guides the refrigerant to the charge air outlet 13. The air replenishment passage 31 communicates with the inner outlet 132.
The upper flange is provided with an air supplementing channel 31 and is communicated with the upper eccentric circle air supplementing channel 31 and the lower eccentric circle air supplementing channel 31 of the crankshaft 31, and the air supplementing channel 31 of the crankshaft 31 is axially arranged inside the crankshaft 3 and is not concentric with the crankshaft 3.
The application also discloses some embodiments, the pump body assembly further comprises an air supply inlet 4; the air supply inlet 4 is communicated with the air supply channel 31; the air supply inlet 4 is used for guiding the external refrigerant to enter the air supply channel 31; the pump body assembly further comprises a flange 5; the air supply inlet 4 is arranged on the flange 5; the flange 5 comprises a flange end part and a flange 5 neck part; the air supply inlet 4 is arranged on the outer peripheral wall of the end part of the flange and is communicated with the air supply channel 31; namely, the air supply inlet 4 is a flange channel; the flange channel is arranged in the flange end part and extends in the radial direction of the flange end part; an air supply passage 31 extending from the outer peripheral wall of the flange end to the crankshaft 3; the pump body assembly comprises an upper flange and a lower flange; the upper flange and the lower flange are respectively arranged at two ends of the cylinder 2; the air supply inlet 4 can be arranged on the upper flange and also can be arranged on the lower flange.
In the central axis direction of the crankshaft 3, a first end of the gas supplementing channel 31 corresponds to the position of the flange channel, and a second end of the gas supplementing channel 31 extends to the end part of the crankshaft 3; the port of the second end of the gas supplementing channel 31 is sealed by a sealing element 9, so that the gas supplementing channel 31 of the crankshaft 3 can be sealed to prevent the refrigerant from leaking.
The application also discloses that some embodiments of the pump body assembly include at least two cylinders 2; a partition part 6 is arranged between at least two cylinders 2; the air supply inlet 4 is arranged on the partition part 6. The partition part 6 is an annular partition plate; the air supply inlet 4 is arranged on the outer peripheral wall of the annular partition plate and is communicated with the air supply channel 31; namely the air supply inlet 4 is a clapboard passage; the baffle plate channel is arranged in the plate body of the annular baffle plate, extends to the gas supplementing channel 31 in the radial direction of the annular baffle plate and is communicated with the gas supplementing channel 31.
When the pump body assembly includes two cylinders 2, the pump body assembly includes in the central axial direction of crankshaft 3, arranged in order: an upper muffler 81, an upper flange, a first cylinder 2, a partition 6, a second cylinder 2, a lower flange, and a lower muffler 82; a first roller 1 is arranged in the first cylinder 2; a second roller 1 is arranged in the second cylinder 2; the first roller 1 and the second roller 1 are both double-layer rollers 1, and the first roller 1 and the second roller 1 are completely the same in structure; i.e. the first roller 1 and the second roller 1 each comprise an outer roller 11 and an inner roller 12. The crankshaft 3 includes upper and lower eccentric portions; the corresponding positions of the upper eccentric part and the lower eccentric part are provided with air supply channels 31 which are communicated with the valve body groove 72 and the air supply inlet 4.
When the first roller 1 and the second roller 1 are both provided with the air supply outlet 13, the first end of the air supply channel 31 corresponds to the position of the air supply outlet 13 on the first roller 1; the second end extends to the end face of the lower flange; and sealed with the lower flange.
When the first cylinder 2 is in the air suction stage, the pressure of the partition plate channel in the annular partition plate is greater than the internal pressure of the first cylinder 2, the valve plate corresponding to the inner roller 12 of the first roller 1 is opened, the refrigerant enters the first cylinder 2 through the partition plate channel, the air supply channel 31, the inner outlet 132 and the outer outlet 131 of the first roller 1, and is discharged out of the pump body after being compressed; meanwhile, the second cylinder 2 is in an exhaust stage, at this time, the internal pressure of the second cylinder 2 is greater than the pressure in the partition plate channel, the valve plate corresponding to the second roller 1 is closed, and air supply is finished.
The present application also discloses embodiments in which the supplement passage 31 extends in the direction of the central axis of the crankshaft 3;
the application also discloses that the air replenishing channel 31 of some embodiments corresponds to the position of the low-pressure side of the cylinder 2; the makeup passage 31 is provided on the low pressure side and can reduce the gas force applied to the crankshaft 3.
The application also discloses that the gas supplementing channel 31 and the crankshaft 3 are arranged eccentrically in some embodiments; the central line of the air supplementing channel and the rotating central line of the crankshaft are not in the same line, namely, the air supplementing channel 31 is not concentric with the crankshaft 3, in the running process of the compressor, the centrifugal force caused by the rotation of the crankshaft 3 separates out the refrigerant oil in the air supplementing channel 31 of the crankshaft 3, the oil content of the refrigerant in the cylinder 2 is reduced, and therefore the oil spitting rate of the compressor is reduced, and the reliability of the compressor is improved. The application can also reduce the stress of the crankshaft 3 and the air-supplementing oil-containing rate, thereby improving the reliability of the compressor.
According to the embodiment of the application, a compressor is provided, and the compressor comprises a pump body assembly which is the pump body assembly.
According to an embodiment of the application, an air conditioner is provided, which comprises a compressor, wherein the compressor is the compressor.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (10)

1. A pump body assembly, characterized by comprising a roller (1) and a cylinder (2); the roller (1) is rotatably arranged in the cylinder (2); an air supply outlet (13) is formed in the roller (1); the air supply outlet (13) is communicated with a working cavity of the cylinder (2); the air supply outlet (13) is used for introducing a refrigerant into the cylinder (2) for air supply; the roller (1) comprises an outer roller (11) and an inner roller (12); the outer roller (11) is sleeved outside the inner roller (12); the air supply outlet (13) comprises an outer outlet (131) and an inner outlet (132); the outer outlet (131) is arranged on the outer roller (11); the inner outlet (132) is provided on the inner roller (12), and the outer outlet (131) communicates with the inner outlet (132).
2. The pump body assembly according to claim 1, characterized in that said air make-up outlet (13) is a through hole; the through hole extends from the inner peripheral wall of the roller (1) to the outer peripheral wall of the roller (1); and/or the number of the air supply outlets (13) is set to be at least one.
3. The pump body assembly according to claim 1, further comprising a valve body (71); the valve body (71) is used for controlling the opening and closing of the air supply outlet (13).
4. The pump block assembly according to claim 3, characterized in that the roller (1) is provided with a valve body groove (72); the valve body (71) is arranged in the valve body groove (72); and/or the valve body (71) is a valve plate assembly.
5. The pump block assembly according to claim 4, characterized in that, when the roller (1) is provided with a valve body groove (72), the valve body groove (72) opens onto the peripheral wall of the inner roller (12); and the valve body groove (72) corresponds to the position of the air supply outlet (13).
6. The pump block assembly according to claim 1, characterized in that it further comprises a crankshaft (3); the crankshaft (3) has an eccentric portion; the roller (1) is sleeved on the eccentric part; the crankshaft (3) is provided with an air supplementing channel (31); the air supply channel (31) is communicated with the air supply outlet (13); the air supply channel (31) is used for guiding the refrigerant to flow to the air supply outlet (13).
7. The pump body assembly according to claim 6, characterized in that it further comprises an air make-up inlet (4); the air supply inlet (4) is communicated with the air supply channel (31); the air supply inlet (4) is used for guiding an external refrigerant to enter the air supply channel (31); the pump body assembly further comprises a flange (5); the air supply inlet (4) is arranged on the flange (5);
and/or, the pump body assembly comprises at least two cylinders (2); a partition part (6) is arranged between at least two cylinders (2); the air supply inlet (4) is arranged on the partition part (6).
8. The pump block assembly according to claim 6, characterized in that the gas supplementing channel (31) extends in a direction of a central axis of the crankshaft (3);
and/or the air supply channel (31) corresponds to the position of the low pressure side of the cylinder (2);
and/or the air supplementing channel (31) is arranged eccentrically to the crankshaft (3).
9. A compressor comprising a pump body assembly, characterized in that it is a pump body assembly according to any one of claims 1 to 8.
10. An air conditioner comprising a compressor, wherein said compressor is the compressor of claim 9.
CN202011377300.3A 2020-11-30 2020-11-30 Pump body assembly, compressor and air conditioner with same Active CN112576514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011377300.3A CN112576514B (en) 2020-11-30 2020-11-30 Pump body assembly, compressor and air conditioner with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011377300.3A CN112576514B (en) 2020-11-30 2020-11-30 Pump body assembly, compressor and air conditioner with same

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Publication Number Publication Date
CN112576514A CN112576514A (en) 2021-03-30
CN112576514B true CN112576514B (en) 2022-09-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113653641B (en) * 2021-09-08 2023-04-14 珠海格力节能环保制冷技术研究中心有限公司 Crankshaft, swing rotary compressor and air conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362807B (en) * 2012-04-10 2016-06-08 珠海格力节能环保制冷技术研究中心有限公司 Compressor, the air conditioning system with this compressor and heat pump water heater system
CN108730181B (en) * 2018-05-18 2020-06-19 珠海凌达压缩机有限公司 Pump body structure and compressor with same
CN208281177U (en) * 2018-06-07 2018-12-25 松下·万宝(广州)压缩机有限公司 A kind of compressor
CN109058109B (en) * 2018-10-10 2024-02-27 珠海凌达压缩机有限公司 Compressor and air conditioner
CN209067472U (en) * 2018-10-23 2019-07-05 珠海凌达压缩机有限公司 Pump body assembly, compressor and device with compressor

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