WO2020088152A1 - Composant de corps de pompe, compresseur à capacité variable et système de régulation d'air - Google Patents

Composant de corps de pompe, compresseur à capacité variable et système de régulation d'air Download PDF

Info

Publication number
WO2020088152A1
WO2020088152A1 PCT/CN2019/107565 CN2019107565W WO2020088152A1 WO 2020088152 A1 WO2020088152 A1 WO 2020088152A1 CN 2019107565 W CN2019107565 W CN 2019107565W WO 2020088152 A1 WO2020088152 A1 WO 2020088152A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump body
sliding plate
roller
cylinder
body assembly
Prior art date
Application number
PCT/CN2019/107565
Other languages
English (en)
Chinese (zh)
Inventor
魏会军
阙沛祯
杨欧翔
胡艳军
苗旺
向柳
翟元彬
Original Assignee
珠海格力节能环保制冷技术研究中心有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力节能环保制冷技术研究中心有限公司 filed Critical 珠海格力节能环保制冷技术研究中心有限公司
Publication of WO2020088152A1 publication Critical patent/WO2020088152A1/fr

Links

Images

Classifications

    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
    • F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • F04C2240/80—Other components

Definitions

  • the present application belongs to the technical field of compressor manufacturing, and specifically relates to a pump body assembly, a variable-capacity compressor, and an air conditioning system.
  • the compressor can adjust the capacity output through the adjustment of the compressor frequency.
  • the load of the air conditioning system is too small, it is necessary to continuously reduce the operating frequency of the compressor.
  • the minimum cooling capacity that the compressor can output is limited. Therefore, when the system load is less than the minimum capacity that the compressor can output at the lowest frequency, the compressor will frequently start and stop, resulting in a large power consumption of the compressor.
  • the compressor frequency is too low, the compressor volumetric efficiency and motor efficiency are low, resulting in Compressor low-frequency operation has low energy efficiency.
  • variable frequency and variable capacity that is, the compressor uses a double-cylinder structure (even multi-cylinder), and the switching structure is controlled by adding a switching structure to control the compressor to switch between single-cylinder operation and double-cylinder operation mode.
  • the sliding groove of the variable-capacity cylinder needs to be sealed in order to control the sliding vane by introducing high pressure or low pressure into the sliding groove motion. In actual application, it is found that the volume of the sliding vane groove after sealing is too small.
  • the technical problem to be solved by the present application is to provide a pump body assembly, a variable volume compressor, and an air conditioning system, which can greatly reduce the pressure pulsation in the sealed cavity of the sliding vane groove and reduce the contact force between the sliding vane and the roller This will reduce operating noise and improve reliability.
  • the present application provides a pump body assembly including a first compression portion, a second compression portion, and a partition plate, the first compression portion and the second compression portion are stacked in one body through a rotating shaft and share the same
  • the first compression part includes a first cylinder, a first roller, a first sliding plate, and a first bearing
  • the first roller is eccentrically mounted on the rotating shaft and is located in the first cylinder
  • the outer periphery of the first roller, the inner wall of the first cylinder, the first bearing and the partition plate together form a first working cavity
  • the first slider is inserted into a first slider groove provided in the first cylinder
  • the first end of the first sliding piece abuts on the outer peripheral wall of the first roller to separate the first working chamber into the suction chamber and the exhaust chamber
  • the first sliding piece groove has
  • the pneumatic driving cavity of the first sliding plate, and the pneumatic driving cavity includes a tail end accommodating portion and a capacity expanding portion, and the capacity expanding portion penetrates the tail end accommodating
  • the expansion part is configured on the first cylinder, and / or the expansion part is configured on the partition plate.
  • the expansion part when configured on the first cylinder, the expansion part is configured on the axial end surface of the first cylinder in the form of a counterbore.
  • the expansion part is selectively connected with an external control pressure source.
  • the external control pressure source is a refrigerant in an air conditioning system.
  • the volume of the pneumatic driving cavity is V
  • the axial height of the first cylinder is H
  • the thickness of the first sliding plate is B
  • the pump body assembly further includes a sliding plate locking part for locking the relative position of the first sliding plate and the first roller.
  • the slider locking member includes a pin and a spring, and when the first compression part needs to be unloaded, the pin can be embedded in a corresponding slot of the first slider under the action of the spring The first sliding piece is spaced from the first roller.
  • the present application also provides a compressor including the pump body assembly described above.
  • the present application also provides an air conditioning system, including the compressor described above.
  • a pump body assembly, a variable volume compressor, and an air conditioning system provided by the present application, wherein the pneumatic drive cavity includes a tail end accommodating portion and an expansion portion communicating therewith, that is, the pneumatic drive cavity in the technical solution
  • the volume at least increases the volume of the expansion part than the corresponding cavity in the prior art, that is, a pneumatic drive cavity with a larger volume is used.
  • FIG. 1 is a schematic diagram of the internal structure of a pump body assembly according to an embodiment of the present application.
  • FIG. 2 is a schematic structural view of A-A in FIG. 1;
  • FIG. 3 is a schematic perspective structural exploded view of the first compression part of the embodiment of FIG. 1;
  • FIG. 4 is a schematic perspective structural exploded view of the first compression part of another embodiment in FIG. 1;
  • V / V0 pressure pulsation of a compressor in operation according to an embodiment of the present application
  • FIG. 6 is a schematic diagram of the principle of the air conditioning system according to an embodiment of the present application.
  • a pump body assembly including a first compression part 1, a second compression part 2, a separator 3, the first compression part 1 and all
  • the second compression part 2 is stacked and integrated with the separator 3 through the rotating shaft 4.
  • the first compression part 1 includes a first cylinder 11, a first roller 12, a first sliding plate 13, and a first bearing 14
  • the first roller 12 is eccentrically mounted on the rotating shaft 4 and is inside the first cylinder 11, the outer periphery of the first roller 12, the inner wall of the first cylinder 11, the first bearing 14 and the partition 3
  • the first working chamber is formed together.
  • the second compression part 2 includes a second cylinder 21, a second roller 22, a second sliding piece 23, and a second bearing 24.
  • the second roller 22 is installed eccentrically On the rotating shaft 4 and in the second cylinder 21, the outer periphery of the second roller 22, the inner wall of the second cylinder 21, the second bearing 24 and the partition 3 together form a second working chamber, the first The slider 13 is inserted into the first slider groove 111 of the first cylinder 11, and the first end of the first slider 13 abuts the outer peripheral wall of the first roller 12 to The first working chamber is divided into an intake chamber and an exhaust chamber.
  • the first sliding slot 111 has a pneumatic driving chamber of the first sliding sheet 13, and the pneumatic driving chamber includes a tail end accommodating portion 112 and an expanding portion.
  • the pneumatic driving cavity in the technical solution includes a tail end accommodating portion 112 and an expansion portion communicating therethrough, that is, the volume of the pneumatic driving cavity in the technical solution at least increases the expansion portion compared to the corresponding cavity in the prior art
  • the volume, that is, the pneumatic drive cavity with a larger volume is used.
  • the pressure pulsation at the end of the first slide 13 will be more gentle, that is, the The force exerted by the pressure fluid in the driving cavity on the first sliding plate 13 (tail end) will be more gentle, and thus the contact force between the first sliding plate 13 and the first roller 12 will also tend to be gentle And it will be significantly reduced, which is obviously conducive to reducing the operating noise of the pump body assembly and even the compressor, and improving the reliability of component operation.
  • the expansion part 113 is configured on the first cylinder 11, and / or, the expansion part 113 is configured on the partition plate 3, specifically, when the expansion part 113 is configured on the When the first cylinder 11 is installed, the expansion part 113 is constructed as a counterbore on the axial end surface of the first cylinder 11 or the expansion section 113 is constructed as a counterbore on the first cylinder 11 Corresponding position; when the expansion part 113 is constructed on the partition 3, the expansion part 113 is preferably formed in the form of a counterbore, which facilitates the sealing of the expansion part 113.
  • the expansion part 113 can be selectively connected with the external control pressure source 6, for example, a conventional connecting pipeline or a connection joint is used to introduce the pressure fluid in the external control pressure source 6 into the expansion part 113, and then penetrates to the tail In the end accommodating portion 112, the external control pressure source 6 may be provided separately from the pump body assembly.
  • the external control pressure source 6 adopts The refrigerant in the air conditioning system can be realized, so that the control integrity of the entire air conditioning system is stronger, and the structural design is more reasonable and compact.
  • the volume of the pneumatic driving cavity is V
  • the volume of the rear end receiving portion 112 is V1
  • the volume of the expansion portion 113 is V2
  • V V1 + V2
  • the axial direction of the first cylinder 11 The height is H
  • the thickness of the first sliding plate 13 is B
  • the eccentricity of the rotating shaft 4 relative to the first working cavity is E
  • the first sliding plate 13 is relative to the first roller 12
  • the V / V0 ⁇ 2 as shown in FIG. 5, when V / V0 ⁇ 2, the pressure pulsation mitigation effect is extremely poor, When the V / V0 ⁇ 2, the pressure pulsation mitigation effect increases as the V / V0 ratio increases.
  • the The pump body assembly further includes a sliding plate locking member 5 for locking the relative position of the first sliding plate 13 and the first roller 12 as a part of the sliding plate locking member 5
  • the slider locking member 5 includes a pin 51 and a spring 52.
  • the pin 51 can be embedded in the spring 52 under the action of the spring 52
  • the corresponding groove of the first sliding plate 13 keeps the first sliding plate 13 and the first roller 12 at a distance, and the pin 51 and the spring 52 can be accommodated in the first bearing 14
  • the slider locking member 5 adopting this method has a simple structure and is easy to maintain.
  • a compressor including the above-mentioned pump body assembly. Due to the use of the above-mentioned pump body assembly, the pressure pulsation in the sealing cavity of the sliding vane groove can be greatly reduced, and the sliding vane and roller The contact force of the compressor reduces the operating noise of the compressor and improves its operating reliability.
  • an air conditioning system including the above-mentioned compressor. Due to the use of the above-mentioned compressor, the pressure pulsation in the sealing cavity of the sliding vane groove can be greatly reduced, and the sliding between the sliding vane and the roller The contact force further reduces the operating noise of the system and improves its operating reliability.
  • the air conditioning system further includes a first heat exchanger 100, a throttle element 101, a second heat exchanger 102, a gas-liquid separator 103, the compressor, the first heat exchanger 100, a throttle element 101.
  • the second heat exchanger 102 and the gas-liquid separator 103 are connected to form a refrigerant cycle. It can be understood that the gas-liquid separator 103 will be on the suction side of the compressor, that is, the refrigerant The pressure will be significantly lower than the refrigerant pressure on the discharge side of the compressor.
  • the gas-liquid separator 103 has an intake pipe c, a first outlet pipe a, and a second outlet pipe b.
  • the first outlet pipe a and The second compression portion is connected through
  • the second air outlet pipe b is connected through the first compression portion
  • the first flow direction control valve 104 can be selectively connected between the air inlet pipe c and the expansion portion 113
  • the second flow direction control valve 105 may be selectively connected between the exhaust pipe d of the compressor and the expansion part 113.
  • the second air outlet tube b penetrates the pin hole of the first bearing 14 to apply force to the pin 51 when the relative position of the first slider 13 needs to be locked so that it can be inserted into the
  • the first sliding piece 13 has a slot.
  • the foregoing first flow direction control valve 104 and second flow direction control valve 105 may be, for example, general electromagnetic directional valves.
  • the first compression part when the first compression part is unloaded, it is necessary to separate the first slider 13 from the first roller 12, that is, the first slider 13 is locked by the slider locking member 5 Locked, at this time, the first flow direction control valve 104 is turned on (the second flow direction control valve 105 is turned off), the expansion portion 113 and the rear end accommodating portion 112 are low-pressure refrigerants, and the pin holes are also Low-pressure refrigerant, which is basically the same as the refrigerant pressure of the gas-liquid separator 103, at this time, the first sliding plate 13 is located away from the first roller 12, the pin 51 will be in the spring 52 To move up and insert into the slot of the first slide 13 to achieve positioning and unloading of the first compression part.
  • the first compression part When the first compression part is compressed, it is necessary that the first sliding piece 13 is in contact with the first roller 12, that is, the first sliding piece 13 can freely reciprocate.
  • the first The second flow direction control valve 105 is turned on (the first flow direction control valve 104 is turned off), the high-pressure refrigerant is in the expansion portion 113 and the tail end accommodating portion 112, and the low-pressure refrigerant is in the pin hole.
  • the pin 52 will be retracted into the pin hole against the action of the spring 52 under the effect of the pressure difference between the top and the bottom, thereby realizing the positioning and the compression of the first compression portion.

Landscapes

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

Abstract

L'invention concerne un composant de corps de pompe, un compresseur à capacité variable et un système de régulation d'air. Le composant de corps de pompe comprend une première partie de compression (1), une seconde partie de compression (2) et une plaque de séparation (3) ; la première partie de compression (1) et la seconde partie de compression (2) sont empilées en un corps entier au moyen d'un arbre rotatif (4), et toutes deux utilisent la plaque de séparation (3) ; la première partie de compression (1) comprend un premier cylindre (11), un premier rouleau (12), une première plaque coulissante (13) et un premier palier (14) ; le premier rouleau (12) est installé de manière excentrique sur l'arbre rotatif (4) et dans le premier cylindre (11), et forme une première chambre de travail ; la première plaque coulissante (13) est insérée dans une première rainure de plaque coulissante (111), et l'extrémité de tête de la première plaque coulissante (13) bute contre la paroi périphérique externe du premier rouleau (12) pour diviser la première chambre de travail en une chambre d'aspiration d'air et une chambre d'échappement ; la première rainure de plaque coulissante (111) comporte une chambre d'entraînement pneumatique pour la première plaque coulissante (13) ; la chambre d'entraînement pneumatique comprend une partie de réception d'extrémité arrière (112) et une partie d'augmentation de capacité (113) ; et la partie d'augmentation de capacité (113) est en communication avec la partie de réception d'extrémité arrière (112). La présente structure peut considérablement diminuer la pulsation de pression dans une chambre d'étanchéité de la rainure de plaque coulissante et réduire la force de contact entre la plaque coulissante et le rouleau, de façon à réduire ainsi le bruit lors du fonctionnement et à améliorer la fiabilité.
PCT/CN2019/107565 2018-10-29 2019-09-24 Composant de corps de pompe, compresseur à capacité variable et système de régulation d'air WO2020088152A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811269822.4A CN109113994A (zh) 2018-10-29 2018-10-29 泵体组件、变容压缩机、空气调节系统
CN201811269822.4 2018-10-29

Publications (1)

Publication Number Publication Date
WO2020088152A1 true WO2020088152A1 (fr) 2020-05-07

Family

ID=64855496

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/107565 WO2020088152A1 (fr) 2018-10-29 2019-09-24 Composant de corps de pompe, compresseur à capacité variable et système de régulation d'air

Country Status (2)

Country Link
CN (1) CN109113994A (fr)
WO (1) WO2020088152A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109113994A (zh) * 2018-10-29 2019-01-01 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、变容压缩机、空气调节系统
CN110360107B (zh) * 2019-06-28 2020-12-11 谷利伟 压缩机
CN110374875B (zh) * 2019-07-29 2020-11-24 珠海格力节能环保制冷技术研究中心有限公司 转子式压缩机的滑片结构、转子式压缩机及制冷设备
CN115306715A (zh) * 2022-08-24 2022-11-08 珠海格力电器股份有限公司 一种变容压缩机和空调系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015172660A1 (fr) * 2014-05-15 2015-11-19 珠海格力节能环保制冷技术研究中心有限公司 Compresseur de type à rotor pivotant et sa structure de corps de pompe
CN105485013A (zh) * 2016-01-12 2016-04-13 珠海格力节能环保制冷技术研究中心有限公司 变容压缩机的变容控制机构及变容压缩机
EP3130807A1 (fr) * 2014-04-10 2017-02-15 Green Refrigeration Equipment Engineering Research Centre of Zhuhai Gree Co. Ltd Compresseur et climatiseur
CN106593869A (zh) * 2015-10-16 2017-04-26 珠海格力节能环保制冷技术研究中心有限公司 双级变容压缩机及具有其的空调系统
CN107476979A (zh) * 2017-08-10 2017-12-15 珠海格力节能环保制冷技术研究中心有限公司 压缩机、空调器及压缩机的装配方法
CN109113994A (zh) * 2018-10-29 2019-01-01 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、变容压缩机、空气调节系统
CN208966587U (zh) * 2018-10-29 2019-06-11 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、变容压缩机、空气调节系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104074763B (zh) * 2013-03-26 2018-01-05 珠海格力节能环保制冷技术研究中心有限公司 双级增焓转子压缩机及具有其的空调器、热泵热水器
CN104912808A (zh) * 2015-06-25 2015-09-16 广东美芝制冷设备有限公司 压缩机构及具有其的低背压旋转式压缩机
CN207195139U (zh) * 2017-08-10 2018-04-06 珠海格力节能环保制冷技术研究中心有限公司 压缩机及具有其的空调器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3130807A1 (fr) * 2014-04-10 2017-02-15 Green Refrigeration Equipment Engineering Research Centre of Zhuhai Gree Co. Ltd Compresseur et climatiseur
WO2015172660A1 (fr) * 2014-05-15 2015-11-19 珠海格力节能环保制冷技术研究中心有限公司 Compresseur de type à rotor pivotant et sa structure de corps de pompe
CN106593869A (zh) * 2015-10-16 2017-04-26 珠海格力节能环保制冷技术研究中心有限公司 双级变容压缩机及具有其的空调系统
CN105485013A (zh) * 2016-01-12 2016-04-13 珠海格力节能环保制冷技术研究中心有限公司 变容压缩机的变容控制机构及变容压缩机
CN107476979A (zh) * 2017-08-10 2017-12-15 珠海格力节能环保制冷技术研究中心有限公司 压缩机、空调器及压缩机的装配方法
CN109113994A (zh) * 2018-10-29 2019-01-01 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、变容压缩机、空气调节系统
CN208966587U (zh) * 2018-10-29 2019-06-11 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、变容压缩机、空气调节系统

Also Published As

Publication number Publication date
CN109113994A (zh) 2019-01-01

Similar Documents

Publication Publication Date Title
WO2020088152A1 (fr) Composant de corps de pompe, compresseur à capacité variable et système de régulation d'air
WO2017219669A1 (fr) Ensemble pompe et compresseur comprenant ce dernier
US20200217317A1 (en) Compressor, air conditioner and method for assembling compressor
WO2017101537A1 (fr) Structure de commande de palette coulissante pour cylindre pneumatique à capacité variable, cylindre pneumatique à capacité variable et compresseur à capacité variable
EP2428641A2 (fr) Compresseur rotatif de capacité variable et système de climatisation d'air doté de celui-ci
WO2019029264A1 (fr) Compresseur à rotor ayant une structure d'alimentation en air et procédé de compression
CN102562594B (zh) 变容旋转式压缩机
CN105443384A (zh) 压缩机及其控制方法和空调器
US10502210B2 (en) Variable-capacity compressor and refrigeration device having same
CN109058106B (zh) 泵体组件、压缩机及双温度空调系统
CN108071590B (zh) 气缸、压缩机构及压缩机
CN107084133B (zh) 压缩机和具有其的制冷装置
CN203098283U (zh) 多级变容组件及双缸多级变容量压缩机
CN108843573B (zh) 一种三缸双级变容压缩机
CN202900660U (zh) 双转子两级增焓压缩机、空调器和热泵热水器
CN109058107B (zh) 一种密封型旋转压缩机及其控制方法
CN208966587U (zh) 泵体组件、变容压缩机、空气调节系统
WO2021128905A1 (fr) Ensemble corps de pompe et compresseur à capacité variable
CN112879291A (zh) 变容旋转式压缩机和制冷循环装置
CN103557157A (zh) 变容量压缩机及空调系统
CN210317754U (zh) 压缩机变容结构、压缩机及制冷循环装置
CN110671327B (zh) 一种双缸变容压缩机及控制方法
CN109209879B (zh) 一种封闭式转子压缩机
CN111396313A (zh) 空调器、压缩机组件、压缩机及其泵体单元
CN215058153U (zh) 变容旋转式压缩机和制冷循环装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19880106

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19880106

Country of ref document: EP

Kind code of ref document: A1