CN109654022A - Freezer compressor cylinder fastening assembly and freezer compressor - Google Patents
Freezer compressor cylinder fastening assembly and freezer compressor Download PDFInfo
- Publication number
- CN109654022A CN109654022A CN201910014617.1A CN201910014617A CN109654022A CN 109654022 A CN109654022 A CN 109654022A CN 201910014617 A CN201910014617 A CN 201910014617A CN 109654022 A CN109654022 A CN 109654022A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- groove
- gland
- assembly
- fastening assembly
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 33
- 230000003584 silencer Effects 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- 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
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
- F04C2230/604—Mounting devices for pumps or compressors
-
- 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
- F04C2240/805—Fastening means, e.g. bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention proposes a kind of freezer compressor cylinder fastening assembly and freezer compressor, belongs to freezer compressor technical field.This freezer compressor cylinder fastening assembly includes the components such as cylinder seat, valve plate, cylinder cover, air suction silencer, gland and screw, it is connected by screw to cylinder seat, be pressed on gland cylinder cover, valve plate on cylinder seat, while air suction silencer is compressed by the pressing plate on gland.Beneficial effects of the present invention: valve plate, cylinder cover, air suction silencer can be fitted securely on cylinder seat, can simplify the structure of freezer compressor, reduce production cost, improved assembly efficiency, realized miniaturization, the light-duty design of compressor.
Description
Technical Field
The invention relates to the technical field of refrigerator compressors, in particular to a refrigerator compressor cylinder fastening assembly and a refrigerator compressor.
Background
The cylinder cover is a key component of the refrigerator compressor, so that the separation of high-pressure and low-pressure cavities in the running process of the refrigerator compressor can be realized, a sealing effect can be achieved, and the normal air suction process of the compressor is ensured. Present refrigerator compressor cylinder fastening form is mostly the rectangle structure, and the material is mostly aluminium system stamping workpiece, fastens through four screws and cylinder block to the muffler need use the jump ring to carry out the pretension. The existing refrigerator compressor cylinder fastening form has the disadvantages of complex structure, more parts, higher production cost and lower assembly efficiency. In the existing refrigerator compressor cylinder fastening mode, the suction muffler is mounted by adopting a clamp spring or other fastening parts for pre-tightening, additional mounting parts and procedures are needed, and the assembling efficiency is low. The existing refrigerator compressor cylinder fastening form occupies large space of a cylinder cover plate surface, and is not beneficial to realizing the miniaturization and the light weight of the compressor.
Disclosure of Invention
The invention aims to provide a refrigerator compressor cylinder fastening assembly and a refrigerator compressor, which simplify the structure of the refrigerator compressor, reduce the production cost, improve the assembly efficiency and realize the miniaturization and light design of the compressor.
The invention provides a refrigerator compressor cylinder fastening component, which comprises a cylinder seat, a valve plate, a cylinder cover, a suction muffler, a gland and a screw, wherein the end surface of the cylinder seat is provided with an assembly groove, the end surface of the cylinder seat is provided with a plurality of screw holes at the periphery of the assembly groove, the assembly groove is sequentially provided with the valve plate, the cylinder cover and the suction muffler, the valve plate is provided with an exhaust port and an air suction port, the inner end surface of the cylinder cover is provided with an air groove, the cylinder cover is provided with an exhaust hole communicated with the air groove, one side wall of the cylinder cover is recessed to form a muffler positioning groove, the exhaust port is positioned in the area covered by the air groove, the air suction port is positioned in the area covered by the muffler positioning groove, one side of the suction muffler is provided with a bulge, the bulge is clamped in the muffler positioning groove, an air passage communicated with, the muffler gas port is connected with the suction port, the periphery of the gland is provided with assembling feet with the same number as the screw holes, assembling holes are formed in the assembling feet, the gland is provided with a pressing plate, the outer end face of the cylinder cover is buckled and pressed by the gland, the outer end face of the bulge is buckled and pressed by the pressing plate, and the screws penetrate through the assembling holes to be connected with the screw holes.
Furthermore, the end face of the cylinder seat is provided with a clamping groove communicated with the assembling groove, and the valve plate is provided with an ear plate which is clamped in the clamping groove.
Further, a silencer mounting groove is formed in one side of the pressing cover, and the protrusions are clamped in the silencer mounting groove.
Furthermore, an annular step is arranged at the edge of the outer end face of the cylinder cover, the gland is annular, and the annular gland is buckled on the surface of the annular step.
Furthermore, the contact surface of the pressing plate and the protrusion is in a horseshoe shape.
Furthermore, the pressing cover is connected with the pressing plate through a supporting rod, and the supporting rod is bent towards the convex direction.
Further, the cylinder cover is integrally formed by adopting a stamping process.
Further, the gland is integrally formed by adopting a stamping process.
Furthermore, the assembly groove and the valve plate are both of circular structures.
The invention also provides a refrigerator compressor which comprises the refrigerator compressor cylinder fastening assembly.
Compared with the prior art, the refrigerator compressor cylinder fastening assembly and the refrigerator compressor provided by the invention have the following characteristics and advantages:
the refrigerator compressor cylinder fastening assembly is applied to a refrigerator compressor, the valve plate, the cylinder cover and the suction muffler can be firmly assembled on the cylinder seat, the structure of the refrigerator compressor can be simplified, the production cost is reduced, the assembly efficiency is improved, and the miniaturization and light design of the compressor is realized.
The features and advantages of the present invention will become more apparent from the detailed description of the invention when taken in conjunction with the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of a cylinder fastening assembly of a compressor of a refrigerator according to an embodiment of the present invention;
FIG. 2 is an assembly view of a cylinder fastening assembly of a compressor of a refrigerator according to an embodiment of the present invention;
FIG. 3 is a perspective view of a top view of a cylinder head of a compressor cylinder fastening assembly for a refrigerator according to an embodiment of the present invention;
FIG. 4 is a perspective view of a cylinder head from a bottom view of a cylinder fastening assembly of a compressor of a refrigerator according to an embodiment of the present invention;
FIG. 5 is a top perspective view of a gland in a compressor cylinder fastening assembly for a refrigerator according to an embodiment of the present invention;
FIG. 6 is a bottom perspective view of a gland in a compressor cylinder fastening assembly for a refrigerator according to an embodiment of the present invention;
wherein,
1. the cylinder comprises a cylinder seat, 11, an assembly groove, 12, a clamping groove, 13, a screw hole, 2, a valve plate, 21, an ear plate, 22, an exhaust port, 23, an air suction port, 3, a cylinder cover, 31, a silencer positioning groove, 32, an air groove, 33, an exhaust hole, 34, an annular step surface, 4, an air suction silencer, 41, a protrusion, 5, a gland, 51, an assembly pin, 511, an assembly hole, 52, a support rod, 53, a pressure plate, 54, a silencer installation groove, 6 and a screw.
Detailed Description
As shown in fig. 1 to 6, the present embodiment provides a cylinder fastening assembly for a refrigerator compressor, which can be assembled and applied to the refrigerator compressor, and can firmly assemble a valve plate 2, a cylinder cover 3 and a suction muffler 4 on a cylinder block 1, thereby simplifying the structure of the refrigerator compressor, reducing the production cost, improving the assembly efficiency, and realizing the design of miniaturization and light weight of the compressor.
The refrigerator compressor cylinder fastening assembly of the embodiment comprises a cylinder seat 1, a valve plate 2, a cylinder cover 3, a suction muffler 4, a gland 5, a screw 6 and the like. The cylinder cover 3 is integrally formed by adopting a stamping process, the gland 5 is also integrally formed by adopting the stamping process, the processing is easy, the structure is simple, the cost is far lower than that of the existing aluminum die casting, the cost is lower, and the requirement of the compressor on low cost can be better met.
The end surface of the cylinder seat 1 is provided with an assembly groove 11, and the end surface of the cylinder seat 1 is provided with a clamping groove 12 communicated with the assembly groove 11. The valve plate 2 is provided with an ear plate 21, and after the valve plate 2 is assembled in the assembling groove 11, the ear plate 21 is clamped in the clamping groove 12 to position the valve plate 2 in the assembling groove 11.
The valve plate 2, the cylinder head 3 and the suction muffler 4 are mounted in this order on the mounting groove 11.
Three screw holes 13 are formed in the end surface of the cylinder block 1 and around the fitting groove 11. The screw holes 13 are provided therein for screwing screws 6, and the gland 5 is pressed against the cylinder head 3, the valve plate 2 and the suction muffler 4 by the pressure plate 53 by tightening the screws 6 into the screw holes 13.
The assembly groove 11 and the valve plate 2 are both of a circular structure, the mounting and positioning accuracy between the two is high, the valve plate 2 is convenient to assemble in the assembly groove 11, and meanwhile, compared with the current cylinder fastening structure, the volume is smaller, the space of a cylinder head of the compressor is saved, and the miniaturization and light design of the compressor are facilitated.
The valve plate 2 is provided with an exhaust port 22 and an intake port 23.
An air groove 32 is formed in the inner end face of the cylinder cover 3, and the air groove 32 is clamped on the valve plate 2 to form a single-cavity structure. The single-cavity structure has no structure, simple cavity shape, large effective volume and is beneficial to noise elimination.
The boundary of the air groove 32 of the cylinder head 3 is matched with the exhaust port 22 and the suction port 23 of the valve plate 2, so that the high-pressure cavity and the low-pressure cavity are separated. The cylinder head 3 is provided with an exhaust hole 33 communicating with the air groove 32. A muffler positioning groove 31 is formed by recessing a side wall of the cylinder head 3 to snap the projection 41 of the suction muffler 4 into the muffler positioning groove 31. The exhaust port 22 is located in the area covered by the air groove 32, and the suction port 23 is located in the area covered by the muffler positioning groove 31.
An annular step is arranged at the edge position of the outer end face of the cylinder cover 3.
One side of the air suction muffler 4 is provided with a bulge 41, the bulge 41 is clamped in the muffler positioning groove 31, an air passage communicated with the air suction muffler cavity is arranged in the bulge 41, a muffler air port communicated with the air passage is formed in the inner end surface of the bulge 41, and the muffler air port is connected with the air suction port 23.
Three assembling feet 51 are arranged around the gland 5 at equal intervals, so that the pressing force of the gland 5 is more uniform. The mounting leg 51 is provided with a mounting hole 511. The screw 6 can be connected to the screw hole 13 through the fitting hole 511.
The pressing plate 53 is connected to the pressing cover 5 through a support rod 52, the support rod 52 is bent towards the direction of the protrusion 41, and the bent support rod 52 can enable the pressing plate 53 to be tightly pressed on the protrusion 41.
The gland 5 is buckled on the outer end face of the cylinder cover 3, the gland 5 in the embodiment is annular, and the annular gland 5 is buckled on the annular step face 34. The pressing plate 53 presses the outer end surface of the protrusion 41, wherein the contact surface between the pressing plate 53 and the protrusion 41 is horseshoe-shaped, and the horseshoe-shaped contact surface can make the protrusion 41 uniformly stressed, so that the pressing force on the suction muffler 4 is not too large.
Silencer mounting groove 54 is seted up to one side of gland 5, and protruding 41 joint is in silencer mounting groove 54, and silencer mounting groove 54 wraps up and joint protruding 41 jointly with silencer constant head tank 31, makes the joint firm.
The gland 5 can realize three purposes of one part, can simultaneously compress the cylinder cover 3, fasten the cylinder and compress the air suction silencer 4, and compared with the existing cylinder fastening structure, the gland not only saves parts, but also saves installation procedures and improves assembly efficiency.
The refrigerator compressor cylinder fastening assembly of the embodiment is assembled as follows: assembling the valve plate 2 on the assembling groove 11 on the end surface of the cylinder seat 1, and clamping and positioning the lug plate 21 in the clamping groove 12; the outer end face of the valve plate 2 is provided with a cylinder cover 3, so that the exhaust port 22 is positioned in the area covered by the air groove 32, and the suction port 23 is positioned in the area covered by the silencer positioning groove 31; the bulge 41 of the suction muffler 4 is clamped in the muffler positioning groove 31, so that the air port of the muffler is connected with the air suction port 23; buckling the annular gland 5 on the annular step surface 34 of the cylinder cover 3, simultaneously clamping the silencer installation groove 54 on the gland 5 with the bulge 41, and buckling the pressure plate 53 on the outer end surface of the bulge 41; the screw 6 is screwed into the screw hole 13 of the end face of the cylinder block 1 through the fitting hole 511.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. A refrigerator compressor cylinder fastening assembly characterized in that: the cylinder comprises a cylinder seat, a valve plate, a cylinder cover, an air suction silencer, a gland and screws, wherein an assembly groove is formed in the end surface of the cylinder seat, a plurality of screw holes are formed in the end surface of the cylinder seat and on the periphery of the assembly groove, the valve plate, the cylinder cover and the air suction silencer are sequentially assembled on the assembly groove, an air exhaust port and an air suction port are formed in the valve plate, an air groove is formed in the end surface of the cylinder cover, an air exhaust hole communicated with the air groove is formed in the cylinder cover, a silencer positioning groove is formed in a concave side wall of the cylinder cover, the air exhaust port is located in an area covered by the air groove, the air suction port is located in an area covered by the silencer positioning groove, a bulge is arranged on one side of the air suction silencer and clamped in the silencer positioning groove, an air path communicated with an air path is arranged in the bulge, a silencer air port, the assembly foot is provided with an assembly hole, the gland is provided with a pressing plate, the gland buckles the outer end face of the cylinder cover, the pressing plate buckles the outer end face of the protrusion, and the screw penetrates through the assembly hole to be connected with the screw hole.
2. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the end face of the cylinder seat is provided with a clamping groove communicated with the assembling groove, the valve plate is provided with an ear plate, and the ear plate is clamped in the clamping groove.
3. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the muffler mounting groove has been seted up to one side of gland, and protruding joint is in the muffler mounting groove.
4. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the edge position of the outer end face of the cylinder cover is provided with an annular step, the gland is annular, and the annular gland is buckled on the annular step face.
5. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the contact surface of the pressing plate and the bulge is in a horseshoe shape.
6. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the pressure cover is connected with the pressure plate through a support rod, and the support rod is bent towards the convex direction.
7. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the cylinder cover is integrally formed by adopting a stamping process.
8. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the gland is integrally formed by adopting a stamping process.
9. A refrigerator compressor cylinder fastening assembly as claimed in claim 1, wherein: the assembly groove and the valve plate are both of circular structures.
10. A compressor for a refrigerator, characterized in that: the refrigerator compressor comprising a refrigerator compressor cylinder fastening assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014617.1A CN109654022B (en) | 2019-01-08 | 2019-01-08 | Refrigerator compressor cylinder fastening assembly and refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014617.1A CN109654022B (en) | 2019-01-08 | 2019-01-08 | Refrigerator compressor cylinder fastening assembly and refrigerator compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109654022A true CN109654022A (en) | 2019-04-19 |
| CN109654022B CN109654022B (en) | 2024-02-20 |
Family
ID=66119472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014617.1A Active CN109654022B (en) | 2019-01-08 | 2019-01-08 | Refrigerator compressor cylinder fastening assembly and refrigerator compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654022B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469486A (en) * | 2019-08-29 | 2019-11-19 | 青岛万宝压缩机有限公司 | Three chamber profiling air suction silencers of one kind and compressor |
| CN110513274A (en) * | 2019-08-29 | 2019-11-29 | 青岛万宝压缩机有限公司 | A kind of compressor profiling air suction silencer |
| WO2021056979A1 (en) * | 2019-09-23 | 2021-04-01 | 广州万宝集团压缩机有限公司 | Cylinder head assembly, compressor and refrigeration device |
| CN113738621A (en) * | 2020-05-29 | 2021-12-03 | 安徽美芝制冷设备有限公司 | Cylinder assembly and compressor having the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207564A (en) * | 1992-04-21 | 1993-05-04 | White Consolidated Industries, Inc. | Compressor head and suction muffler for hermetic compressor |
| KR19990001632U (en) * | 1997-06-20 | 1999-01-15 | 신희범 | Building railing junction covers |
| WO2003081042A1 (en) * | 2002-03-25 | 2003-10-02 | Arçelik A.S. | A compressor with suction muffler strusture |
| CN1896506A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Installation structure of absorbing silencer for closed compressor |
| CN206111487U (en) * | 2016-10-21 | 2017-04-19 | 华意压缩机(荆州)有限公司 | Compressor valve organizes assembly structure |
| CN108266350A (en) * | 2017-12-20 | 2018-07-10 | 广州万宝集团压缩机有限公司 | A kind of refrigeration compressor circle cylinder head component |
| CN209704849U (en) * | 2019-01-08 | 2019-11-29 | 青岛万宝压缩机有限公司 | Freezer compressor cylinder fastening assembly and freezer compressor |
-
2019
- 2019-01-08 CN CN201910014617.1A patent/CN109654022B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207564A (en) * | 1992-04-21 | 1993-05-04 | White Consolidated Industries, Inc. | Compressor head and suction muffler for hermetic compressor |
| KR19990001632U (en) * | 1997-06-20 | 1999-01-15 | 신희범 | Building railing junction covers |
| WO2003081042A1 (en) * | 2002-03-25 | 2003-10-02 | Arçelik A.S. | A compressor with suction muffler strusture |
| CN1896506A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Installation structure of absorbing silencer for closed compressor |
| CN206111487U (en) * | 2016-10-21 | 2017-04-19 | 华意压缩机(荆州)有限公司 | Compressor valve organizes assembly structure |
| CN108266350A (en) * | 2017-12-20 | 2018-07-10 | 广州万宝集团压缩机有限公司 | A kind of refrigeration compressor circle cylinder head component |
| CN209704849U (en) * | 2019-01-08 | 2019-11-29 | 青岛万宝压缩机有限公司 | Freezer compressor cylinder fastening assembly and freezer compressor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469486A (en) * | 2019-08-29 | 2019-11-19 | 青岛万宝压缩机有限公司 | Three chamber profiling air suction silencers of one kind and compressor |
| CN110513274A (en) * | 2019-08-29 | 2019-11-29 | 青岛万宝压缩机有限公司 | A kind of compressor profiling air suction silencer |
| CN110469486B (en) * | 2019-08-29 | 2022-05-13 | 青岛万宝压缩机有限公司 | Three-cavity profiling air suction silencer and compressor |
| WO2021056979A1 (en) * | 2019-09-23 | 2021-04-01 | 广州万宝集团压缩机有限公司 | Cylinder head assembly, compressor and refrigeration device |
| CN113738621A (en) * | 2020-05-29 | 2021-12-03 | 安徽美芝制冷设备有限公司 | Cylinder assembly and compressor having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109654022B (en) | 2024-02-20 |
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