CN112855537B - Pump body subassembly, compressor and air conditioner - Google Patents

Pump body subassembly, compressor and air conditioner Download PDF

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Publication number
CN112855537B
CN112855537B CN202110048148.2A CN202110048148A CN112855537B CN 112855537 B CN112855537 B CN 112855537B CN 202110048148 A CN202110048148 A CN 202110048148A CN 112855537 B CN112855537 B CN 112855537B
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China
Prior art keywords
arc
shaped section
compression
pump body
slide
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CN202110048148.2A
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Chinese (zh)
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CN112855537A (en
Inventor
张朝阳
李自好
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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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Priority to CN202110048148.2A priority Critical patent/CN112855537B/en
Publication of CN112855537A publication Critical patent/CN112855537A/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
    • 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
    • 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
    • F04C2240/10—Stators

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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 pair of pump body subassembly, compressor and air conditioner, including cylinder, pivot, compression portion and promotion portion, the cylinder includes first segmental arc and second segmental arc, the arc length of first segmental arc is greater than the arc length of second segmental arc, the compression portion is located in the cylinder, just compression portion overlaps and establishes in the pivot, promotion portion sets up the pivot with in the compression portion, in order to promote compression portion is in slide along the first direction in the pivot, so that compression portion removes when in the first segmental arc, compression portion with the inner wall of first segmental arc meets. The application provides a pair of pump body subassembly, compressor and air conditioner can increase the volume of working chamber, promotes the refrigerating output of compressor, promotes the work efficiency of compressor.

Description

Pump body subassembly, compressor and air conditioner
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to a pump body assembly, a compressor and an air conditioner.
Background
The rolling rotor type compressor comprises a compressor working cavity which is formed by an air cylinder, a roller and a sliding vane, the working cavity is divided into a high-pressure cavity and a low-pressure cavity, an upper flange and a lower flange are arranged on the upper end surface and the lower end surface of the air cylinder, the working cavity is sealed, a crankshaft penetrates through a pump body and is provided with an eccentric part, the roller is sleeved on the eccentric part and is driven by a motor to rotate, and then the roller is driven to do eccentric rotary motion inside the air cylinder, so that the purpose of compressing air is achieved. However, in the existing compressor, the volume of the working chamber is fixed, and the refrigerating capacity is difficult to be greatly improved based on the fixed volume, so that the efficiency of the compressor is limited.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a pump body subassembly, compressor and air conditioner, can increase the volume of working chamber, promotes the refrigerating output of compressor, promotes the work efficiency of compressor.
In order to solve the problem, the application provides a pump body subassembly, including cylinder, pivot, compression portion and promotion portion, the cylinder includes first segmental arc and second segmental arc, the arc length of first segmental arc is greater than the arc length of second segmental arc, the compression portion is located in the cylinder, just the compression portion cover is established in the pivot, promotion portion sets up the pivot with in the compression portion, in order to promote the compression portion is in slide along the first direction in the pivot, so that the compression portion removes when in the first segmental arc, the compression portion with the inner wall of first segmental arc meets.
Optionally, the first arc-shaped section is connected with the second arc-shaped section to form the cylinder, the first arc-shaped section is a semi-ellipse intercepted along a short axis, the second arc-shaped section is semicircular, the length of the short axis of the ellipse where the first arc-shaped section is located is equal to the length of the diameter of the circle where the second arc-shaped section is located, and the length of the long axis of the ellipse where the first arc-shaped section is located is greater than the length of the diameter of the circle where the second arc-shaped section is located.
Optionally, a first sliding part is arranged on the compression part, a second sliding part is arranged on the rotating shaft, and the first sliding part is matched with the second sliding part, so that the compression part can slide on the rotating shaft along the first direction or the reverse direction of the first direction.
Optionally, the first sliding part is a sliding groove, the second sliding part is a sliding block, and the sliding block is slidably disposed in the sliding groove.
Optionally, a mounting groove is formed in the rotating shaft, the pushing portion is arranged in the mounting groove, a first end of the pushing portion is abutted to the rotating shaft, and a second end of the pushing portion is abutted to the compression portion.
Optionally, the promotion portion includes elastic component and promotes the piece, it sets up to promote the piece slip in the mounting groove, the elastic component is in compression state, the one end of elastic component with the inner wall of mounting groove is inconsistent, the other end of elastic component with it is inconsistent to promote the piece, works as promotion portion promotes the compression portion is followed when the first direction slides, it keeps away from to promote the piece the one end of elastic component with the inner wall of compression portion is inconsistent.
Optionally, the pump body assembly further includes a first flange, the first flange is disposed on an end surface of the cylinder, a blocking member is disposed on the first flange, and when the pushing block moves into the second arc-shaped section, the blocking member is inserted between the pushing block and the compression portion, so that the pushing block is separated from the compression portion.
Optionally, the blocking member extends in a direction perpendicular to the first flange, the cross section of the blocking member is semicircular, and the blocking member extends into an inner space surrounded by the compression part along the axial direction of the compression part.
Optionally, the blocking member is provided with a guide surface at both ends in the circumferential direction of the cylinder.
Optionally, an avoiding groove is formed in the compression portion along the circumferential direction, and the blocking piece is arranged in the avoiding groove.
In another aspect of the present application, a compressor is provided, which includes the pump body assembly as described above.
In another aspect of the present application, an air conditioner is provided, which includes the pump body assembly as described above.
Advantageous effects
The pump body assembly, the compressor and the air conditioner provided by the embodiment of the invention can increase the volume of the working cavity, improve the refrigerating capacity of the compressor and improve the working efficiency of the compressor.
Drawings
FIG. 1 is an axial cross-sectional view of a pump body assembly according to an embodiment of the present application;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a radial cross-sectional view of a pump body assembly according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a cylinder according to an embodiment of the present application;
FIG. 5 is a schematic view of an eccentric portion according to an embodiment of the present application;
FIG. 6 is a cross-sectional view of a shaft according to an embodiment of the present application;
FIG. 7 is a schematic structural view of a first flange according to an embodiment of the present disclosure;
FIG. 8 is an axial cross-sectional view of yet another embodiment of the pump body assembly of the present application.
The reference numerals are represented as:
1. a cylinder; 11. a first arcuate segment; 12. a second arcuate segment; 2. a rotating shaft; 21. mounting grooves; 31. an eccentric portion; 311. an avoidance groove; 32. a roller; 41. an elastic member; 42. a pushing block; 5. a first flange; 51. a barrier.
Detailed Description
Referring to fig. 1 to 8 in combination, according to an embodiment of the present application, a pump body assembly includes a cylinder 1, a rotating shaft 2, a compression portion and a pushing portion, the cylinder 1 includes a first arc-shaped section 11 and a second arc-shaped section 12, an arc length of the first arc-shaped section 11 is greater than an arc length of the second arc-shaped section 12, the compression portion is located in the cylinder 1, the compression portion is sleeved on the rotating shaft 2, the pushing portion is disposed on the rotating shaft 2 and the compression portion, so as to push the compression part to slide along the first direction on the rotating shaft 2, so that when the compression part moves into the first arc-shaped section 11, the compression part is connected with the inner wall of the first arc-shaped section 11, the arc length of the first arc-shaped section 11 is set to be larger than that of the second arc-shaped section 12, the volume of a compression cavity in the first arc-shaped section 11 is increased, the suction volume of the compressor refrigerant in unit time is increased synchronously, the refrigerating capacity of the compressor is improved, and the energy efficiency of the compressor is improved.
In some embodiments, the arc length of the first arc-shaped section 11 and the arc length of the second arc-shaped section 12 refer to the arc length of the arc formed by the first arc-shaped section 11 and the arc length of the arc formed by the second arc-shaped section 12 in a cross section perpendicular to the central axis of the cylinder 1.
In some embodiments, the pushing portion can always apply a pushing force to the compression portion to keep the compression portion in contact with the inner wall of the cylinder 1.
In some embodiments, the compression portion includes an eccentric portion 31 and a roller 32, the eccentric portion 31 is disposed on the rotating shaft 2, the roller 32 is disposed on the eccentric portion 31, and the roller 32 is in contact with the inner wall of the cylinder 1.
The first arc-shaped section 11 is connected with the second arc-shaped section 12 to form the cylinder 1, the first arc-shaped section 11 is a semi-ellipse cut along a short axis, the second arc-shaped section 12 is semicircular, the length of the short axis of the ellipse where the first arc-shaped section 11 is located is equal to the length of the diameter of the circle where the second arc-shaped section 12 is located, the length of the long axis of the ellipse where the first arc-shaped section 11 is located is greater than the length of the diameter of the circle where the second arc-shaped section 12 is located, namely, the length of the long axis of the first arc-shaped section 11 is a, the length of the short axis of the first arc-shaped section 11 is b, and the diameter of the second arc-shaped section 12 is d, and a is greater than b = d. Not only can ensure the stable connection of the first arc-shaped section 11 and the second arc-shaped section 12, but also can ensure the smooth transition of the first arc-shaped section 11 and the second arc-shaped section 12.
In some embodiments, the first arc-shaped segment 11 is a semi-ellipse taken along the minor axis, i.e. the first arc-shaped segment 11 is shaped as a semi-ellipse taken along the minor axis in a cross-section perpendicular to the central axis of the cylinder 1. The second arc-shaped segment 12 is semicircular, i.e. the second arc-shaped segment is semicircular in shape in a cross-section perpendicular to the central axis of the cylinder 1.
Be provided with first slider on the compression portion, be provided with the second slider on the pivot 2, first slider cooperatees with the second slider to make the compression portion can be followed first direction or the reverse slip of first direction on pivot 2, through setting up first slider and second slider, guaranteed the stable slip of compression portion along first direction on pivot 2.
In some embodiments, the pushing portion can push the compression portion to slide on the rotating shaft 2 along the first direction, and can also push the compression portion to slide on the rotating shaft 2 in the opposite direction, that is, the pushing portion can push the compression portion to slide on the rotating shaft 2 along the second direction.
In some embodiments, the power for sliding the compression part on the rotating shaft 2 in the second direction may be provided by other components instead of the pushing part.
The first sliding part is a sliding groove, the second sliding part is a sliding block, the sliding block is arranged in the sliding groove in a sliding mode, and the compression part is further guaranteed to move by arranging the sliding groove and the sliding block.
In some embodiments, the second slide may be a chute and the first slide may be a slider.
Be provided with mounting groove 21 in the pivot 2, the setting of promotion portion is in mounting groove 21, and the first end of promotion portion is inconsistent with pivot 2, and the second end of promotion portion is contradicted with the compression portion, through setting up mounting groove 21, provides the mounted position for promotion portion, has also played the guide effect simultaneously.
In some embodiments, the first direction and the reverse direction of the first direction are the extending direction of the mounting groove 21.
The pushing part comprises an elastic piece 41 and a pushing block 42, the pushing block 42 is arranged in the mounting groove 21 in a sliding mode, the elastic piece 41 is in a compression state, one end of the elastic piece 41 is abutted to the inner wall of the mounting groove 21, the other end of the elastic piece 41 is abutted to the pushing block 42, when the pushing part pushes the compression part to slide along the first direction, one end, away from the elastic piece 41, of the pushing block 42 is abutted to the inner wall of the compression part, and the elastic piece 41 and the pushing block 42 are arranged to stably push the compression part to move.
In some embodiments, the push block 42 is located in a first direction of the elastic member 41, and the elastic member 41 is located in a reverse direction of the first direction of the push block 42.
In some embodiments, the elastic member 41 applies a pushing force to the pushing block 42, so that the pushing block 42 applies a pushing force to the compression portion, and then when the compression portion moves into the area of the first arc-shaped section 11, the compression portion is pushed to slide, and further the compression portion is tightly attached to the inner wall of the first arc-shaped section 11, so that the refrigeration capacity of the compressor is improved, and meanwhile, the sealing between the low pressure chamber and the high pressure chamber is ensured.
In some embodiments, the elastic member 41 is a spring, which is always in a compressed state to continuously apply pressure to the push block 42.
The pump body assembly further comprises a first flange 5, the first flange 5 is arranged on the end face of the cylinder 1, a blocking piece 51 is arranged on the first flange 5, when the pushing block 42 moves into the second arc-shaped section 12, the blocking piece 51 is inserted between the pushing block 42 and the compression portion, so that the pushing block 42 is separated from the compression portion, the compression portion is prevented from still receiving the pressure of the pushing block 42 when the compression portion rotates into the second arc-shaped section 12 from the first arc-shaped section 11, and unsmooth transition is caused.
In some embodiments, the blocking member 51 is arranged perpendicularly to the end face of the first flange 5 facing the cylinder 1.
In some embodiments, the blocking member 51 is disposed at a central position of the first flange 5.
As an embodiment, the first flange 5 is an upper flange of the compressor.
As another embodiment, as shown in fig. 8, the first flange 5 is a lower flange of a compressor.
The blocking member 51 extends in a direction perpendicular to the first flange 5, the cross section of the blocking member 51 is semicircular, and the blocking member 51 extends into the inner space surrounded by the compressing portion along the axial direction of the compressing portion, so that the blocking member 51 can smoothly enter between the compressing portion and the pushing block 42.
In some embodiments, the centerline of the stop 51 coincides with the centerline of the second arc segment 12, such that the stop 51 enters between the pusher block 42 and the constriction at the same time as the constriction enters the second arc segment 12.
In some embodiments, the blocking member 51 is in the shape of a semi-circular cylinder, and the cross section of the blocking member 51 is perpendicular to the cross section of the blocking member 51.
Guide surfaces are provided on both ends of the stopper 51 in the circumferential direction of the cylinder 1, and by providing the guide surfaces, the stopper 51 can be more easily and smoothly inserted between the push block 42 and the compression portion.
In some embodiments, both ends of the blocking member 51 in the circumferential direction increase in inward cross section to form guide surfaces.
An avoiding groove 311 is formed in the compression part along the circumferential direction, the blocking part 51 is arranged in the avoiding groove 311, and the blocking part 51 is avoided by arranging the avoiding groove 311, so that the blocking part 51 is ensured to enter between the pushing block 42 and the compression part.
In some embodiments, the relief groove 311 is disposed on an inner wall of the eccentric portion 31.
In another aspect of the present embodiment, a compressor is provided, which includes the pump body assembly as described above.
In some embodiments, during the operation of the compressor, as the rotating shaft 2 drives the eccentric portion 31 and the roller 32 to rotate around the axis of the rotating shaft 2 eccentrically clockwise, the working chamber of the cylinder 1 is divided into a high pressure chamber and a low pressure chamber. In an air suction-exhaust cycle, as shown in the operating state of the pump body assembly shown in fig. 2, the low pressure chamber of the pump body assembly is in the initial air suction stage, the rotating shaft 2 drives the eccentric portion 31 and the roller 32 to move to the first arc segment 11 of the air cylinder 1, at this time, the blocking member 51 is not in contact with the pushing portion, and under the spring force of the spring, the pushing block 42 can directly push the eccentric portion 31 to slide towards the first arc segment 11 side, and at the same time, the roller 32 is driven to keep sealing contact with the first arc segment 11. In this process, the eccentricity is dynamically changed all the time, and if the maximum eccentricity is e ', e' = e + (a-r).
In some embodiments, when the pump body assembly is in the operating state as shown in fig. 3, the high pressure chamber of the pump body assembly is in the venting stage, and since in this stage, the blocking member 51 is disposed on the first flange 5, the blocking member 51 enters between the pushing block 42 and the eccentric portion 31, at this time, the blocking member 51 blocks the pushing block 42 from pushing the eccentric portion 31, the eccentric portion 31 loses the pushing force, and under the limiting effect of the inner diameter of the cylinder 1, the eccentric portion 31 interferes with the second arc-shaped section 12, and the eccentric amount is minimum at this time.
In another aspect of the present embodiment, an air conditioner is provided, which includes the pump body assembly as described above.
The pump body assembly, the compressor and the air conditioner provided by the embodiment of the invention can increase the volume of the working cavity, improve the refrigerating capacity of the compressor and improve the working efficiency of 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 (9)

1. The pump body assembly is characterized by comprising a cylinder (1), a rotating shaft (2), a compression part and a pushing part, wherein the cylinder (1) comprises a first arc-shaped section (11) and a second arc-shaped section (12), the arc length of the first arc-shaped section (11) is larger than that of the second arc-shaped section (12), the compression part is positioned in the cylinder (1) and sleeved on the rotating shaft (2), and the pushing part is arranged on the rotating shaft (2) and the compression part to push the compression part to slide on the rotating shaft (2) along a first direction so that when the compression part moves into the first arc-shaped section (11), the compression part is connected with the inner wall of the first arc-shaped section (11);
an installation groove (21) is formed in the rotating shaft (2), the pushing part is arranged in the installation groove (21), the first end of the pushing part is abutted against the rotating shaft (2), and the second end of the pushing part is abutted against the compression part;
the pushing part comprises an elastic piece (41) and a pushing block (42), the pushing block (42) is arranged in the mounting groove (21) in a sliding mode, the elastic piece (41) is in a compression state, one end of the elastic piece (41) is abutted to the inner wall of the mounting groove (21), the other end of the elastic piece (41) is abutted to the pushing block (42), and when the pushing part pushes the compression part to slide along the first direction, one end, far away from the elastic piece (41), of the pushing block (42) is abutted to the inner wall of the compression part;
the pump body assembly further comprises a first flange (5), the first flange (5) is arranged on the end face of the cylinder (1), a blocking piece (51) is arranged on the first flange (5), and when the pushing block (42) moves into the second arc-shaped section (12), the blocking piece (51) is inserted between the pushing block (42) and the compression portion, so that the pushing block (42) is separated from the compression portion.
2. The pump body assembly according to claim 1, characterized in that said first arc-shaped section (11) is joined to said second arc-shaped section (12) to form said cylinder (1), said first arc-shaped section (11) being a semi-ellipse taken along the minor axis, said second arc-shaped section (12) being semicircular, the length of the minor axis of the ellipse in which said first arc-shaped section (11) is located being equal to the length of the diameter of the circle in which said second arc-shaped section (12) is located, the length of the major axis of the ellipse in which said first arc-shaped section (11) is located being greater than the length of the diameter of the circle in which said second arc-shaped section (12) is located.
3. Pump body assembly according to claim 1, characterized in that a first slide is provided on the compression portion and a second slide is provided on the shaft (2), the first slide cooperating with the second slide to enable the compression portion to slide on the shaft (2) in the first direction or in the opposite direction to the first direction.
4. The pump body assembly of claim 3, wherein the first slide is a slide slot and the second slide is a slide block, the slide block being slidably disposed within the slide slot.
5. The pump body assembly according to claim 1, characterized in that the blocking member (51) extends in a direction perpendicular to the first flange (5), the blocking member (51) having a semi-circular cross-section, the blocking member (51) projecting in the axial direction of the compression portion into the inner space enclosed by the compression portion.
6. The pump block assembly according to claim 1, characterized in that the blocking member (51) is provided with guide surfaces on both ends in the circumferential direction of the cylinder (1).
7. The pump body assembly according to claim 6, characterized in that an avoiding groove (311) is circumferentially provided on the compression portion, the blocking member (51) being disposed in the avoiding groove (311).
8. A compressor, characterized by comprising a pump body assembly according to any one of claims 1 to 7.
9. An air conditioner characterized by comprising the pump body assembly according to any one of claims 1 to 7.
CN202110048148.2A 2021-01-14 2021-01-14 Pump body subassembly, compressor and air conditioner Active CN112855537B (en)

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CN202110048148.2A CN112855537B (en) 2021-01-14 2021-01-14 Pump body subassembly, compressor and air conditioner

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Application Number Priority Date Filing Date Title
CN202110048148.2A CN112855537B (en) 2021-01-14 2021-01-14 Pump body subassembly, compressor and air conditioner

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CN112855537B true CN112855537B (en) 2022-09-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1607332A (en) * 2003-10-14 2005-04-20 三星电子株式会社 Variable capacity rotary compressor
CN1624329A (en) * 2004-12-13 2005-06-08 周海云 Refrigeration compressor
JP2013139724A (en) * 2011-12-28 2013-07-18 Daikin Industries Ltd Oscillating piston type compressor
CN207122421U (en) * 2017-07-03 2018-03-20 盾安环境技术有限公司 A kind of rotary compressor
CN111852865A (en) * 2019-04-28 2020-10-30 珠海格力节能环保制冷技术研究中心有限公司 Variable volume mechanism, compressor and air conditioner
CN111878398A (en) * 2020-08-06 2020-11-03 珠海格力节能环保制冷技术研究中心有限公司 Pump body structure and compressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1607332A (en) * 2003-10-14 2005-04-20 三星电子株式会社 Variable capacity rotary compressor
CN1624329A (en) * 2004-12-13 2005-06-08 周海云 Refrigeration compressor
JP2013139724A (en) * 2011-12-28 2013-07-18 Daikin Industries Ltd Oscillating piston type compressor
CN207122421U (en) * 2017-07-03 2018-03-20 盾安环境技术有限公司 A kind of rotary compressor
CN111852865A (en) * 2019-04-28 2020-10-30 珠海格力节能环保制冷技术研究中心有限公司 Variable volume mechanism, compressor and air conditioner
CN111878398A (en) * 2020-08-06 2020-11-03 珠海格力节能环保制冷技术研究中心有限公司 Pump body structure and compressor

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