CN111365216A - Air valve assembly for reciprocating air compressor - Google Patents
Air valve assembly for reciprocating air compressor Download PDFInfo
- Publication number
- CN111365216A CN111365216A CN202010246933.4A CN202010246933A CN111365216A CN 111365216 A CN111365216 A CN 111365216A CN 202010246933 A CN202010246933 A CN 202010246933A CN 111365216 A CN111365216 A CN 111365216A
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- China
- Prior art keywords
- valve plate
- air
- exhaust
- cylinder
- valve
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
- F04B39/108—Adaptations or arrangements of distribution members the members being reed valves circular reed valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Abstract
An air valve assembly for a reciprocating air compressor comprises a valve plate arranged between a cylinder cover and an air cylinder, wherein a plurality of valve plate air suction holes and a plurality of valve plate exhaust holes are formed in the valve plate and are distributed along the circumference; the cylinder cover and the cylinder are connected together in a sealing way, the surface of the valve plate, which is opposite to the cylinder cover, is connected with exhaust valve plates, the exhaust valve plates are of claw-shaped structures, the number of claws is the same as the number of exhaust holes of the valve plate, and the exhaust valve plates are provided with exhaust valve lift limiters; the surface of the valve plate, which is opposite to the cylinder, is provided with a plurality of reed and a plurality of valve plate exhaust holes, the reed is arranged corresponding to the valve plate air suction hole, and the valve plate exhaust holes are arranged corresponding to the valve plate exhaust holes. The invention has long service life and can reduce noise.
Description
Technical Field
The invention relates to the field of reciprocating air compressors, in particular to an air valve assembly for a reciprocating air compressor.
Background
At present, in some reciprocating air compressors, such as small and micro compressors, reed valves are generally used, and generally comprise a valve plate, a lift limiter and the like. In some small and miniature reciprocating air compressors, such as a V-0.67/8 type reciprocating air compressor, because the displacement of the suction valve plate is relatively large, a groove is usually formed on the end surface of the cylinder to serve as a suction valve plate lift limiter, so that the suction valve plate inevitably collides with the groove of the cylinder, and meanwhile, the exhaust valve plate is also under an excessive stress. Therefore, the working conditions of the air suction valve plate and the air discharge valve plate are severe, the air suction valve plate and the air discharge valve plate are easy to damage after long-term use, and noise generated by the air suction valve plate and the air discharge valve plate when the air suction valve plate and the air discharge valve plate are touched with the lift limiter during working is also large.
Disclosure of Invention
The invention aims to solve the problems of short service life and high noise of the air valve component in the prior art, and provides the air valve component for the reciprocating air compressor, which can prolong the service lives of an air suction valve plate and an air discharge valve plate and reduce the working noise.
In order to achieve the aim, the air valve assembly for the reciprocating air compressor adopts the following technical scheme: the valve plate is provided with a plurality of valve plate air suction holes and a plurality of valve plate exhaust holes which are distributed along the circumference, the valve plate air suction holes and the valve plate exhaust holes are relatively distributed on two sides and respectively correspond to the positions of an air suction cavity and an air exhaust cavity which are arranged in the cylinder cover; the exhaust valve plate is of a claw-shaped structure, the number of claws is the same as the number of exhaust holes of the valve plate, an exhaust valve lift limiter is installed on the exhaust valve plate, and the limiter end of the exhaust valve lift limiter is of the claw-shaped structure same as the exhaust valve plate; the surface of the valve plate, which is opposite to the cylinder, is provided with a plurality of reed and a plurality of valve plate exhaust holes, the reed is arranged corresponding to the valve plate air suction hole, and the valve plate exhaust holes are arranged corresponding to the valve plate exhaust holes.
Preferably, the cylinder cover is internally provided with a cylindrical groove and is separated into an air suction cavity and an air exhaust cavity by a partition plate, and the side surface of the cylinder cover is provided with an air suction channel and an air exhaust channel which are respectively communicated with the air suction cavity and the air exhaust cavity.
Preferably, a supporting rib is arranged between the surface of the partition plate positioned on one side of the air suction cavity and the top surface inside the cylinder cover.
Preferably, the cylinder inside have a cylindrical inner chamber, the surface of cylinder cap and cylinder is provided with a plurality of layers of fin.
Preferably, the cylinder cover and the cylinder are fixedly connected through a mounting screw, a cylinder cover sealing gasket is arranged between the cylinder cover and the cylinder, the cylinder cover sealing gasket is matched with the cross section of the cylinder cover, and a cylinder cover gasket mounting hole is punched in the circumferential direction of the cylinder cover sealing gasket.
Preferably, the exhaust valve lift limiter and the exhaust valve plate are arranged in a stacked mode and fixed on the valve plate through mounting bolts; the claw-shaped structure of the exhaust valve plate comprises a fixed base plate, the fixed base plate is overlapped with the fixed end of the exhaust valve lift limiter, the fixed base plate is divergently connected with a protruding part, and the protruding part comprises a circular part capable of covering the exhaust hole of the valve plate and a connecting part for connecting the circular part and the fixed base plate; the limiter end of the exhaust valve lift limiter is divergently connected to the fixed end, and the end face of the limiter end is made to be arc-shaped by adopting a bending method, so that a limiting space is formed.
Preferably, the tongue comprises a circular portion capable of covering the suction hole of the valve sheet, and a rectangular connecting portion for connecting the circular portion with the suction valve sheet.
Preferably, the side of the valve plate suction hole close to the cylinder is provided with a suction hole sealing groove, the sectional area of the valve plate suction hole is larger than the aperture of the valve plate suction hole, and the side of the valve plate exhaust hole close to the cylinder cover is provided with an exhaust hole sealing groove, and the sectional area of the exhaust hole is larger than the aperture of the valve plate exhaust hole.
Preferably, a cylinder sealing gasket is arranged between the valve plate and the end face of the cylinder, the shape of the cylinder sealing gasket is matched with the outline of the end face of the cylinder, and cylinder gasket mounting holes are punched on the circumference of the cylinder sealing gasket.
Compared with the prior art, the invention has the following beneficial effects: the exhaust valve plate adopts a claw-shaped structure to be matched with the exhaust hole of the valve plate, the exhaust valve plate is subjected to lift limitation through the exhaust valve lift limiter, the suction valve plate correspondingly covers each valve plate suction hole and is provided with a tongue, a groove does not need to be formed in the cylinder to serve as the suction valve lift limiter, the impact between the suction valve plate and the groove is avoided, on one hand, the service life of the suction valve plate is prolonged, the probability of compressor faults caused by damage of an air valve is reduced, on the other hand, the part of noise generated when the suction valve works due to the fact that the valve plate impacts the cylinder is eliminated, and the cylinder is more convenient. For the exhaust process, the exhaust valve plate is more smoothly stressed, and the service life of the exhaust valve plate is prolonged.
Furthermore, the side of the air suction hole of the valve plate, which is close to the air cylinder, is provided with an air suction hole sealing groove, the sectional area of the air suction hole is larger than the aperture of the air suction hole of the valve plate, the side of the exhaust hole of the valve plate, which is close to the cylinder cover, is provided with an exhaust hole sealing groove, the sectional area of the exhaust hole of the valve plate is larger than the aperture of the exhaust hole of the valve plate, and the air suction hole of the valve plate and the exhaust hole.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of a valve assembly of a reciprocating air compressor according to the present invention;
FIG. 2 is a schematic view of the outer surface configuration of the cylinder head of the present invention;
FIG. 3 is a schematic view of the internal structure of the cylinder head of the present invention;
FIG. 4 is a schematic view of a cylinder head gasket of the present invention;
FIG. 5 is a schematic view of the exhaust side surface of the valve plate of the present invention;
FIG. 6 is a schematic view of the suction side surface of the valve plate of the present invention;
FIG. 7 is a schematic view of a cylinder gasket construction of the present invention;
FIG. 8 is a schematic view of the structure of the suction valve plate according to the present invention;
FIG. 9 is a schematic view of the structure of the air bleed valve of the present invention;
FIG. 10 is a front view of the lift limiter of the present invention;
FIG. 11 is a side view of the lift limiter of the present invention;
FIG. 12 is a schematic view of the cylinder of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the air valve assembly of the reciprocating air compressor of the present invention comprises a cylinder head sealing gasket 20, an exhaust valve lift limiter 30, an exhaust valve plate 40, a valve plate 50, an intake valve plate 60, and a cylinder sealing gasket 70, which are disposed between a cylinder head 10 and a cylinder 80. The cylinder cover 10 is connected to the cylinder 80 by a mounting screw 90, and the exhaust valve lift stopper 30 and the exhaust valve plate 40 are connected to the valve plate 50 by a mounting bolt 100. Referring to fig. 2-3, an intake cavity 13 and an exhaust cavity 15 are cast inside a cylinder cover 10, a partition plate 16 is cast between the intake cavity 13 and the exhaust cavity 15, an intake channel 12 is welded outside the intake cavity 13, an exhaust channel 14 is welded outside the exhaust cavity 15, a support rib 17 is cast on one side of the partition plate 16 close to the intake cavity 13, the support rib 17 is lower than the end surface of the cylinder cover 10, a cylinder cover mounting hole 11 is drilled on the cylinder cover 10, a heat dissipation fin 82 is welded on the outer surface of the cylinder cover 10, and the number of the cylinder cover mounting holes 11 is 4.
Referring to fig. 4, the cylinder head sealing gasket 20 of the present invention is adapted to the cross section of the cylinder head 10, and cylinder head gasket mounting holes 21 are punched on four corners of the cylinder head sealing gasket 20, and the number of the cylinder head gasket mounting holes 21 is 4. Referring to fig. 5, the valve plate 50 of the present invention is a circular structure, and is cast with valve plate air suction holes 55 and valve plate air discharge holes 53, the number of the valve plate air suction holes 55 and the valve plate air discharge holes 53 is 5, the valve plate air suction holes 55 and the valve plate air discharge holes 53 are all step holes and are all distributed along the circumference, the included angle between the adjacent air suction holes and the adjacent air discharge holes is 30 °, the air suction holes are cut with air suction hole sealing grooves 56 on the side close to the cylinder and have a sectional area larger than the cylinder cover side, the air discharge holes are cut with air discharge hole sealing grooves 54 on the side close to the cylinder cover and have a sectional area larger than the cylinder side, valve plate mounting holes 51 are drilled on the circumference of the valve plate 50. Referring to fig. 7, the cylinder sealing gasket 70 of the present invention has a circular ring structure, the shape of which is adapted to the cross section of the cylinder 80, cylinder gasket mounting holes 71 are punched on the circumference, and the number of the cylinder gasket mounting holes 71 is 4. Referring to fig. 8, the air suction valve plate 60 of the present invention has a circular structure, the upper surface of which is punched with 5 tongues 63 and valve plate vent holes 62, the included angle between adjacent tongues is 30 °, the circumference is punched with 5 air suction valve plate mounting holes 61, and the number of the air suction valve plate mounting holes 61 is 5. Referring to fig. 9, the vent valve sheet 40 of the present invention is stamped with vent valve sheet mounting holes 41, the number of the vent valve sheet mounting holes 41 is 2, the number of the claw-shaped structure protrusions 42 is 5, and an included angle between adjacent protrusions 42 is 30 °.
Referring to fig. 10 and 11, the exhaust valve lift limiter 30 of the present invention is divided into a fixed end 32 and limiter ends 33, the number of the limiter ends 33 is 5, limiter mounting holes 31 are drilled in the fixed end 32, the number of the limiter mounting holes 31 is 2, the limiter ends 33 are bent such that the end surfaces thereof are arc-shaped, and an included angle between adjacent limiters is 30 °.
Referring to fig. 12, the inner side of the cylinder 80 of the invention is a cylindrical structure, the outer side is provided with fins 82, the upper end surface of the cylinder is provided with cylinder threaded holes 81, and the number of the cylinder threaded holes 81 is 4 and is distributed along the circumference.
The positions of a limiter mounting hole 31, an exhaust valve plate mounting hole 41 and a valve plate threaded hole 52 are matched with each other, and the positions of a cylinder cover mounting hole 11, a cylinder cover gasket mounting hole 21, a valve plate mounting hole 51, an air suction valve plate mounting hole 61, an air cylinder gasket mounting hole 71 and an air cylinder threaded hole 81 are matched with each other; the tongue 63 is matched with the air suction hole sealing groove 56, and the tongue 42 is matched with the exhaust hole sealing groove 54; the air suction channel 12, the air suction cavity 13, the air suction hole of the valve plate and the reed 63 form an air suction channel; the exhaust passage 14, the exhaust chamber 15, the tongue 42, the valve plate exhaust hole 53, and the valve plate exhaust hole 62 constitute an exhaust passage.
The use method of the air valve component of the reciprocating air compressor comprises the following steps: firstly, mounting bolts 100 pass through the limiter mounting holes 31, the exhaust valve sheet mounting holes 41 and the valve plate threaded holes 52, and the exhaust valve lift limiter 30 and the exhaust valve sheet 40 are mounted on the valve plate 50; secondly, one side of a valve plate 50 provided with an exhaust valve plate 40 and an exhaust valve lift limiter 30 is matched with the exhaust cavity 15; finally, the mounting screws 90 pass through the cylinder cover mounting holes 11, the cylinder cover gasket mounting holes 21, the valve plate mounting holes 51, the air suction valve plate mounting holes 61, the cylinder gasket mounting holes 71 and the cylinder threaded holes 81 to be matched with each other, the cylinder cover 10, the cylinder cover sealing gasket 20, the valve plate 50, the air suction valve plate 60 and the valve plate sealing gasket 70 are sequentially mounted on the cylinder 80, and the screws are tightened to complete assembly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and the technical solution and the concept thereof according to the present invention should be equally replaced or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a pneumatic valve assembly for reciprocating air compressor machine which characterized in that: the air cylinder comprises a valve plate (50) arranged between a cylinder cover (10) and an air cylinder (80), wherein the valve plate (50) is provided with a plurality of valve plate air suction holes (55) and a plurality of valve plate exhaust holes (53) which are distributed along the circumference, the valve plate air suction holes (55) and the valve plate exhaust holes (53) are relatively distributed on two sides and respectively correspond to the positions of an air suction cavity (13) and an exhaust cavity (15) which are arranged in the cylinder cover (10); the exhaust valve device comprises a cylinder cover (10), a cylinder (80), a valve plate (50), an exhaust valve plate (40), exhaust valve plates (30) and limiter ends (33) of the exhaust valve plate lift limiters (30), wherein the cylinder cover (10) is connected with the cylinder (80) in a sealing mode, the valve plate (50) is connected with the exhaust valve plates (40) on the surface opposite to the cylinder cover (10), the exhaust valve plates (40) are of claw-shaped structures, the number of claws is the same as that of exhaust holes (53) of the valve plate, and the exhaust valve plates (40);
the surface of the valve plate (50) relative to the cylinder (80) is provided with an air suction valve plate (60), the air suction valve plate (60) is provided with a plurality of tongues (63) and a plurality of valve plate exhaust holes (62), the tongues (63) are arranged corresponding to the valve plate air suction holes (55), and the valve plate exhaust holes (62) are arranged corresponding to the valve plate exhaust holes (53).
2. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein: the cylinder cover (10) is internally provided with a cylindrical groove and is separated into an air suction cavity (13) and an air exhaust cavity (15) through a partition plate (16), and the side surface of the cylinder cover (10) is provided with an air suction channel (12) and an air exhaust channel (14) which are respectively communicated with the air suction cavity (13) and the air exhaust cavity (15).
3. The air valve assembly for reciprocating air compressor as claimed in claim 2, wherein: and a support rib (17) is arranged between the surface of the clapboard (16) positioned at one side of the air suction cavity (13) and the inner top surface of the cylinder cover (10).
4. The air valve assembly for reciprocating air compressor as claimed in claim 2, wherein: the cylinder (80) is internally provided with a cylindrical inner cavity, and the outer surfaces of the cylinder cover (10) and the cylinder (80) are provided with a plurality of layers of fins (82).
5. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein: the cylinder cover (10) and the cylinder (80) are fixedly connected through a mounting screw (90), a cylinder cover sealing gasket (20) is arranged between the cylinder cover (10) and the valve plate (50), the cylinder cover sealing gasket (20) is adaptive to the section of the cylinder cover (10), and a cylinder cover gasket mounting hole (21) is punched in the circumferential direction of the cylinder cover sealing gasket.
6. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein: the exhaust valve lift limiter (30) and the exhaust valve plate (40) are arranged in a stacked mode and fixed on the valve plate (50) through mounting bolts (100); the claw-shaped structure of the exhaust valve plate (40) comprises a fixed base plate, the fixed base plate is overlapped with a fixed end (32) of the exhaust valve lift limiter (30), the fixed base plate is divergently connected with a protruding part, and the protruding part comprises a circular part capable of covering an exhaust hole (53) of the valve plate and a connection part for connecting the circular part and the fixed base plate; a limiter end (33) of the exhaust valve lift limiter (30) is divergently connected to the fixed end (32), and the end face of the limiter end (33) is made to be arc-shaped by adopting a bending method to form a limiting space.
7. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein: the reed (63) comprises a circular part capable of covering the suction hole of the valve plate and a rectangular connecting part for connecting the circular part with the suction valve plate (60).
8. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein: the side of the valve plate suction hole (55) close to the cylinder (80) is provided with a suction hole sealing groove (56) and the sectional area is larger than the aperture of the valve plate suction hole (55), and the side of the valve plate exhaust hole (53) close to the cylinder cover (10) is provided with an exhaust hole sealing groove (54) and the sectional area is larger than the aperture of the valve plate exhaust hole (53).
9. The air valve assembly for reciprocating air compressor as claimed in claim 1, wherein:
and an air cylinder sealing gasket (70) is arranged between the valve plate (50) and the end face of the air cylinder (80), the shape of the air cylinder sealing gasket (70) is matched with the outline of the end face of the air cylinder (80), and an air cylinder gasket mounting hole (71) is punched on the circumference of the air cylinder sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246933.4A CN111365216A (en) | 2020-03-31 | 2020-03-31 | Air valve assembly for reciprocating air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246933.4A CN111365216A (en) | 2020-03-31 | 2020-03-31 | Air valve assembly for reciprocating air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111365216A true CN111365216A (en) | 2020-07-03 |
Family
ID=71210792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010246933.4A Pending CN111365216A (en) | 2020-03-31 | 2020-03-31 | Air valve assembly for reciprocating air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365216A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725183A (en) * | 1951-01-10 | 1955-11-29 | Carrier Corp | Valves for reciprocating compressors |
| GB760815A (en) * | 1953-04-23 | 1956-11-07 | Carrier Engineering Co Ltd | Improvements in or relating to reciprocating compressors |
| US3998571A (en) * | 1975-04-14 | 1976-12-21 | Sundstrand Corporation | Valve retainer |
| CN1643256A (en) * | 2002-03-29 | 2005-07-20 | 美商戴尔贝斯空气动力公司 | Head pressure relief assembly |
| CN101100988A (en) * | 2003-01-08 | 2008-01-09 | 托马斯工业股份有限公司 | Piston pump |
| CN201339571Y (en) * | 2008-12-30 | 2009-11-04 | 上海三电贝洱汽车空调有限公司 | Exhaust valve mechanism of compressor |
| CN201696259U (en) * | 2010-08-03 | 2011-01-05 | 快意（江门）压缩机有限公司 | Air valve plate component of small oil-free air compressor |
| CN202451398U (en) * | 2012-02-08 | 2012-09-26 | 浙江春晖空调压缩机有限公司 | Valve plate of automobile air-conditioning compressor |
| JP2014190232A (en) * | 2013-03-27 | 2014-10-06 | Toyota Industries Corp | Compressor |
| CN110566438A (en) * | 2019-10-08 | 2019-12-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Valve bank assembly, compressor and refrigerator |
-
2020
- 2020-03-31 CN CN202010246933.4A patent/CN111365216A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725183A (en) * | 1951-01-10 | 1955-11-29 | Carrier Corp | Valves for reciprocating compressors |
| GB760815A (en) * | 1953-04-23 | 1956-11-07 | Carrier Engineering Co Ltd | Improvements in or relating to reciprocating compressors |
| US3998571A (en) * | 1975-04-14 | 1976-12-21 | Sundstrand Corporation | Valve retainer |
| CN1643256A (en) * | 2002-03-29 | 2005-07-20 | 美商戴尔贝斯空气动力公司 | Head pressure relief assembly |
| CN101100988A (en) * | 2003-01-08 | 2008-01-09 | 托马斯工业股份有限公司 | Piston pump |
| CN201339571Y (en) * | 2008-12-30 | 2009-11-04 | 上海三电贝洱汽车空调有限公司 | Exhaust valve mechanism of compressor |
| CN201696259U (en) * | 2010-08-03 | 2011-01-05 | 快意（江门）压缩机有限公司 | Air valve plate component of small oil-free air compressor |
| CN202451398U (en) * | 2012-02-08 | 2012-09-26 | 浙江春晖空调压缩机有限公司 | Valve plate of automobile air-conditioning compressor |
| JP2014190232A (en) * | 2013-03-27 | 2014-10-06 | Toyota Industries Corp | Compressor |
| CN110566438A (en) * | 2019-10-08 | 2019-12-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Valve bank assembly, compressor and refrigerator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200703 |