CN110985347A - Rotary exhaust valve and air conditioner compressor - Google Patents
Rotary exhaust valve and air conditioner compressor Download PDFInfo
- Publication number
- CN110985347A CN110985347A CN201911107671.7A CN201911107671A CN110985347A CN 110985347 A CN110985347 A CN 110985347A CN 201911107671 A CN201911107671 A CN 201911107671A CN 110985347 A CN110985347 A CN 110985347A
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- valve
- valve plate
- hinged
- valve seat
- torsion spring
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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
- F04B39/102—Adaptations or arrangements of distribution members the members being disc 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
- F04B39/08—Actuation of distribution members
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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
- F04B39/1066—Valve plates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a rotary exhaust valve, which comprises a valve seat and an exhaust duct; the rotary exhaust valve further comprises: the hinged branch part is arranged on the valve seat; the hinged branch part is internally provided with a fluid channel communicated with the exhaust duct; the valve plate is hinged with the hinged branch part and swings horizontally and circumferentially relative to the valve seat to open or closely cover the exhaust duct; one end of the valve plate, which is hinged with the hinge branch part, is provided with a pressure storage groove communicated with the fluid channel; the elastic piece is sleeved on the hinged branch part and is used for jacking the valve plate to horizontally and circumferentially swing and reset so as to closely cover the exhaust duct; and the valve plate swings horizontally and circumferentially relative to the valve seat to open the exhaust duct by the air accumulation and pressurization of the pressure accumulation groove. The rotary exhaust valve provided by the invention can improve the reliability of the valve plate in the working process and reduce the fracture rate of the valve plate in the working process; an air conditioner compressor with the rotary exhaust valve is also provided.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a rotary exhaust valve and an air conditioner compressor with the rotary exhaust valve.
Background
Most air-conditioning compressors have high back pressure, and a structure is needed to be designed to prevent gaseous refrigerants in a shell from flowing back to a compression cavity when the compressor compresses gas; when the gaseous refrigerant in the compression cavity reaches the exhaust pressure, the gas in the compression cavity needs to be exhausted into the shell, and in order to realize the function, the air conditioner compressor mostly adopts a reed valve exhaust structure at present.
The exhaust valve plate has the advantages of sensitive response, good sealing performance and high reliability, and can adapt to various operating conditions of the compressor and ensure stable performance. The valve block of the traditional reed valve exhaust structure has an elastic effect, one end of the valve block is fixedly connected with the valve seat, and the other end of the valve block is tightly attached to a sealing ring on an exhaust hole so as to prevent shell gas from entering a compression cavity; the valve plate is bent to control the opening and closing of the exhaust. When the pressure of the refrigerant reaches the exhaust pressure in the operation process of the compressor, the high-pressure refrigerant in the compression cavity jacks the valve plate to start exhausting; when the exhaust is finished, the pressure in the compression cavity is reduced, the valve plate can rapidly move towards the direction of closing the exhaust port under the action of the internal and external differential pressure and the self restoring force, and finally the valve plate is pressed on the sealing ring again to finish the primary exhaust action. However, in the operation process of the compressor, the valve plate continuously slaps the sealing ring, so that the valve plate is frequently broken in the use process.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, provides a rotary exhaust valve for improving the reliability of a valve plate in the working process and reducing the fracture rate of the valve plate in the working process, and also provides an air conditioner compressor with the rotary exhaust valve.
In order to achieve the purpose, the invention adopts the following scheme:
a rotary exhaust valve comprises a valve seat and an exhaust duct; the exhaust duct is located on the valve seat; the valve seat is provided with a cavity communicated with the exhaust duct; characterized in that, the rotary exhaust valve still includes:
a hinged branch part arranged on the valve seat; the hinged branch part is internally provided with a fluid channel communicated with the exhaust duct;
the valve plate is hinged with the hinged branch part and swings horizontally and circumferentially relative to the valve seat so as to open or closely cover the exhaust duct; one end of the valve plate, which is hinged with the hinge branch part, is provided with a pressure storage groove communicated with the fluid channel;
the elastic piece is sleeved on the hinged branch part and used for jacking the valve plate to horizontally and circumferentially swing and reset so as to closely cover the exhaust duct;
and the valve plate swings horizontally and circumferentially relative to the valve seat to open the exhaust duct by the air accumulation and pressurization of the pressure accumulation groove.
Furthermore, a convex part communicated with the fluid channel and embedded in the pressure storage groove is arranged between the hinged branch part and the pressure storage groove.
Further, the hinged support part comprises a fixed sleeve cylindrical part and a channel cylindrical part arranged at the lower end of the fixed sleeve cylindrical part; the channel cylindrical part is fixedly arranged on the valve seat; the fluid channel is arranged in the channel cylindrical part; the convex part is positioned at the upper end of the cylindrical part of the channel; the elastic piece is sleeved on the fixed sleeve cylindrical part.
Further, the pressure storage groove is a ring groove; one end of the ring groove is provided with an open end; the other end of the ring groove is provided with a closed end; the convex part is embedded in the annular groove in a matching manner to form an air storage cavity together with the closed end and the convex part; when the valve plate swings horizontally and circumferentially relative to the valve seat, the air storage cavity can be gradually increased or gradually decreased.
Further, the elastic part comprises a torsion spring body sleeved on the hinged support part, a first torsion spring extending end connected with the lower end of the torsion spring body and tightly attached to the side edge of the valve plate, and a second torsion spring extending end connected with the upper end of the torsion spring body and used for propping against the side edge of the hinged support part.
Further, the length of the protruding end of the first torsion spring is longer than the length of the protruding end of the second torsion spring.
Further, the rotary exhaust valve also comprises a semicircular support; the semicircular support is arranged on the valve seat; the hinged branch part and the torsion spring body are positioned in the semicircular support; and the extending end of the first torsion spring extends out of the support and is tightly attached to the side edge of the valve plate.
Further, the semicircular support is fixed on the valve seat through a screw.
Furthermore, one end of the valve plate is hinged with the hinge branch part; the other end is provided with a cover hole part which is used for closely covering the exhaust duct; the area of the cap hole portion is larger than the hole area of the discharge hole passage.
The application also provides an air conditioner compressor, which comprises the rotary exhaust valve.
Compared with the prior art, the invention has the following advantages:
1. one end of the valve plate is hinged on the valve seat through the hinge support part, the hinge support part is sleeved with the elastic part, and the valve plate is pressed to reset through the elastic action of the elastic part so as to be tightly attached to and cover the exhaust duct; meanwhile, the refrigerant in the cavity flows into the pressure accumulation groove through the fluid channel, when the compressor works, the refrigerant is compressed by the compressor, the pressure of the refrigerant is increased, and the pressure of the refrigerant entering the pressure accumulation groove is increased, so that the valve plate overcomes the torsion of the elastic piece and horizontally and circumferentially swings relative to the valve seat to open the exhaust hole channel for exhaust, and the rotary exhaust valve improves the reliability of the valve plate in the working process and reduces the fracture rate of the valve plate in the working process.
2. The valve plate of the rotary exhaust valve swings in the horizontal circumference, and is not in rigid contact with the valve seat in the working process.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
FIG. 1 is a schematic cross-sectional view of a rotary exhaust valve according to the present invention.
Fig. 2 is a perspective view of the rotary exhaust valve of the present invention.
FIG. 3 is a perspective view of the rotary exhaust valve of the present invention with the valve seat removed.
Fig. 4 is a cross-sectional view of a hinge leg of the rotary exhaust valve of the present invention.
Fig. 5 is a perspective view illustrating an elastic member of the rotary type exhaust valve according to the present invention.
FIG. 6 is a perspective view of a valve plate of the rotary exhaust valve of the present invention.
FIG. 7 is a schematic view of the rotary exhaust valve of the present invention with the valve plate tightly covering the exhaust duct.
FIG. 8 is a schematic view of the rotary exhaust valve of the present invention showing the exhaust hole opened by the valve plate.
The figure includes:
the valve seat 1, the exhaust duct 2, the cavity 3, the hinged branch portion 4, the fixed sleeve cylindrical portion 41, the channel cylindrical portion 42, the fluid channel 5, the valve plate 6, the pressure accumulation groove 61, the open end 62, the closed end 63, the air accumulation cavity 64, the cover hole portion 65, the elastic member 7, the torsion spring body 71, the first torsion spring extension end 72, the second torsion spring extension end 73, the convex portion 8 and the semicircular support 9.
Detailed Description
The present application is further described in conjunction with the following examples.
Referring to fig. 1 to 8, a rotary exhaust valve includes a valve seat 1 and an exhaust port 2; the exhaust duct 2 is positioned on the valve seat 1; the valve seat 1 is provided with a cavity 3 communicated with the exhaust duct 2; the rotary exhaust valve is characterized by further comprising a hinged branch part 4, a valve plate 6 and an elastic part 7. Wherein, the hinged branch part 4 is arranged on the valve seat 1; the hinged branch part 4 is internally provided with a fluid passage 5 communicated with the exhaust duct 2; the valve plate 6 is hinged with the hinged branch part 4 and swings horizontally and circumferentially relative to the valve seat 1 to open or closely cover the exhaust duct 2; one end of the valve plate 6, which is hinged with the hinged branch part 4, is provided with a pressure accumulation groove 61 communicated with the fluid channel 5; the elastic piece 7 is sleeved on the hinged branch part 4 and is used for jacking the valve plate 6 to horizontally and circumferentially swing and reset so as to closely cover the exhaust duct 2; the valve plate 6 swings horizontally and circumferentially relative to the valve seat 1 to open the exhaust duct 2 through the air accumulation and pressurization of the pressure accumulation groove 61.
One end of a valve plate 6 is hinged on a valve seat 1 through a hinged branch part 4, an elastic part 7 is sleeved on the hinged branch part 4, and the valve plate 6 is pressed and reset through the elastic action of the elastic part 7 to closely cover an exhaust duct 2; meanwhile, the refrigerant in the cavity 3 flows into the pressure accumulation groove 61 through the fluid channel 5, when the compressor works, the refrigerant is compressed by the compressor, the pressure of the refrigerant is increased, and the pressure of the refrigerant entering the pressure accumulation groove 61 is increased, so that the valve plate 6 overcomes the torsion of the elastic part 7 and horizontally and circumferentially swings relative to the valve seat 1 to open the exhaust duct 2 to exhaust; after exhausting, the compressor sucks the refrigerant again, the refrigerant in the compression cavity is at low pressure, the pressure in the air storage groove is reduced, the valve plate 6 rotates clockwise under the action of the elastic part 7, the refrigerant in the air storage groove flows back to the compression cavity, and the elastic part 7 presses the valve plate 6 to swing horizontally and circumferentially to reset so as to closely cover the exhaust duct 2; therefore, the rotary exhaust valve can improve the reliability of the valve plate 6 in the working process and reduce the fracture rate of the valve plate 6 in the working process. Meanwhile, the valve plate 6 of the rotary exhaust valve swings in a horizontal circumference mode and is not in rigid contact with the valve seat 1 in the working process, compared with the prior art, the fracture rate of the valve plate 6 in the working process is reduced, and the noise reduction effect is achieved.
Specifically, a convex portion 8 which is communicated with the fluid channel 5 and is embedded in the pressure accumulating groove 61 is arranged between the hinge branch portion 4 and the pressure accumulating groove 61; the protrusion 8 includes a communication passage communicating with the fluid passage 5, and when the valve sheet 6 swings horizontally and circumferentially with respect to the valve seat 1, the protrusion 8 can swing circumferentially in the pressure accumulating groove 61. Wherein, the pressure storage groove 61 is a ring groove; one end of the ring groove has an open end 62; the other end of the ring groove is provided with a closed end 63; the convex part 8 is embedded in the annular groove in a matching manner to form an air storage cavity 64 together with the closed end 63 and the convex part 8; when the valve plate 6 swings horizontally and circumferentially relative to the valve seat 1, the air storage chamber 64 may gradually increase or gradually decrease.
When the compressor works, the refrigerant is compressed by the compressor, the pressure of the refrigerant is increased, the pressure of the refrigerant entering the pressure accumulation groove 61 is also increased, the convex part 8 moves towards the open end 62 in the pressure accumulation groove 61, and the gas accumulation cavity 64 is gradually increased, so that the valve plate 6 overcomes the torsion of the elastic part 7 and horizontally and circumferentially swings relative to the valve seat 1 to open the exhaust duct 2 for exhausting; after exhausting, the compressor sucks the refrigerant again, the refrigerant in the compression cavity is at low pressure, the pressure in the air storage tank is reduced, the convex part 8 moves towards the closed end 63 in the pressure storage tank 61 under the action of the elastic part 7, the air storage cavity 64 is gradually reduced, the valve plate 6 rotates clockwise, the refrigerant in the air storage tank flows back into the compression cavity, the elastic part 7 pushes the valve plate 6 to horizontally and circumferentially swing and reset to tightly cover the exhaust duct 2, and the next exhaust circulation is performed. Therefore, the rotary exhaust valve can improve the reliability of the valve plate 6 in the working process and reduce the fracture rate of the valve plate 6 in the working process. Meanwhile, the valve plate 6 of the rotary exhaust valve swings in a horizontal circumference mode and is not in rigid contact with the valve seat 1 in the working process, compared with the prior art, the fracture rate of the valve plate 6 in the working process is reduced, and the noise reduction effect is achieved.
One end of the valve plate 6 is hinged with the hinge branch part 4; the other end is provided with a cover hole part 65 for closely covering the exhaust duct 2; the area of the cap hole portion 65 is larger than the hole area of the exhaust port 2. The provision of the cover hole portion 65 having an area larger than the hole area of the exhaust duct 2 contributes to sealing the exhaust port of the exhaust duct 2 by the valve sheet 6.
In the present embodiment, the hinge branch portion 4 includes a fixing sleeve cylindrical portion 41 and a channel cylindrical portion 42 provided at a lower end of the fixing sleeve cylindrical portion 41; the channel cylindrical part 42 is fixedly arranged on the valve seat 1; the fluid channel 5 is arranged in the channel cylindrical part 42; the convex portion 8 is located at the upper end of the passage cylindrical portion 42; the elastic element 7 is sleeved on the fixing sleeve cylindrical part 41. Through setting up solid cover cylinder portion 41, the installation and the fixed of elastic component 7 of being convenient for, through setting up fluid passage 5 on passageway cylinder portion 42 again, realize holding the intercommunication of gas groove and cavity 3, help opening exhaust duct 2 and exhaust.
The elastic member 7 comprises a torsion spring body 71 sleeved on the hinge support portion 4, a first torsion spring extension end 72 connected with the lower end of the torsion spring body 71 and tightly attached to the side edge of the valve plate 6, and a second torsion spring extension end 73 connected with the upper end of the torsion spring body 71 and used for propping against the side edge of the hinge support portion 4. The torsion spring body 71 is arranged to provide elastic potential energy for the valve plate 6, under the pushing action of the first torsion spring extension end 72, the valve plate 6 is pushed and pressed to horizontally and circumferentially swing to reset so as to be tightly attached to and cover the exhaust duct 2, and the second torsion spring extension end 73 interacts with the side edge of the hinged support part 4, so that the torsion spring body 71 can be fixed better, and the torsion spring body 71 can generate elastic potential energy.
Preferably, the length of the first torsion spring protruding end 72 is longer than the length of the second torsion spring protruding end 73. By setting the length of the first torsion spring protruding end 72 to be longer than the length of the second torsion spring protruding end 73, the first torsion spring protruding end 72 has a larger pushing area to better push the valve sheet 6.
In order to protect the rotary exhaust valve and enable the valve plate 6 to swing horizontally and circumferentially more conveniently so as to facilitate the exhaust of the rotary exhaust valve, the rotary exhaust valve further comprises a semicircular support 9; the semicircular support 9 is arranged on the valve seat 1; the hinged branch part 4 and the torsion spring body 71 are positioned in the semicircular support 9; the extending end 72 of the first torsion spring extends out of the support and is closely attached to the side edge of the valve plate 6.
The semicircular support 9 is fixed on the valve seat 1 through screws. The semicircular support 9 is fixed on the valve seat 1 through screws, and the valve seat is simple in structure and convenient to disassemble and assemble. Of course, in some embodiments, the semicircular seat 9 is fixed on the valve seat 1 by welding, and the structure is simple.
The working principle of the rotary exhaust valve is as follows:
when the compressor works, the refrigerant is compressed by the compressor, the pressure of the refrigerant is increased, the pressure of the refrigerant entering the pressure accumulation groove 61 is also increased, the convex part 8 moves towards the open end 62 in the pressure accumulation groove 61, and the gas accumulation cavity 64 is gradually increased, so that the valve plate 6 overcomes the torsion of the elastic part 7 and horizontally and circumferentially swings relative to the valve seat 1 to open the exhaust duct 2 for exhausting;
after exhausting, the compressor sucks the refrigerant again, the refrigerant in the compression cavity is at low pressure, the pressure in the air storage tank is reduced, the convex part 8 moves towards the closed end 63 in the pressure storage tank 61 under the action of the elastic part 7, the air storage cavity 64 is gradually reduced, the valve plate 6 rotates clockwise, the refrigerant in the air storage tank flows back into the compression cavity, the elastic part 7 pushes the valve plate 6 to horizontally and circumferentially swing and reset to tightly cover the exhaust duct 2, and the next exhaust circulation is performed.
The application also provides an air conditioner compressor, which comprises the rotary exhaust valve. The rotary exhaust valve is arranged on the air conditioner compressor, so that the reliability of the air conditioner compressor is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. A rotary exhaust valve comprises a valve seat and an exhaust duct; the exhaust duct is located on the valve seat; the valve seat is provided with a cavity communicated with the exhaust duct; characterized in that, the rotary exhaust valve still includes:
a hinged branch part arranged on the valve seat; the hinged branch part is internally provided with a fluid channel communicated with the exhaust duct;
the valve plate is hinged with the hinged branch part and swings horizontally and circumferentially relative to the valve seat so as to open or closely cover the exhaust duct; one end of the valve plate, which is hinged with the hinge branch part, is provided with a pressure storage groove communicated with the fluid channel;
the elastic piece is sleeved on the hinged branch part and used for jacking the valve plate to horizontally and circumferentially swing and reset so as to closely cover the exhaust duct;
and the valve plate swings horizontally and circumferentially relative to the valve seat to open the exhaust duct by the air accumulation and pressurization of the pressure accumulation groove.
2. The rotary exhaust valve according to claim 1 wherein a protrusion is disposed between said hinge leg and said accumulator groove and in communication with said fluid passageway and engaging said accumulator groove.
3. The rotary exhaust valve according to claim 2 wherein said hinge leg includes a solid sleeved cylindrical portion and a channel cylindrical portion disposed at a lower end of said solid sleeved cylindrical portion; the channel cylindrical part is fixedly arranged on the valve seat; the fluid channel is arranged in the channel cylindrical part; the convex part is positioned at the upper end of the cylindrical part of the channel; the elastic piece is sleeved on the fixed sleeve cylindrical part.
4. The rotary exhaust valve according to claim 2 wherein said accumulator groove is an annular groove; one end of the ring groove is provided with an open end; the other end of the ring groove is provided with a closed end; the convex part is embedded in the annular groove in a matching manner to form an air storage cavity together with the closed end and the convex part; when the valve plate swings horizontally and circumferentially relative to the valve seat, the air storage cavity can be gradually increased or gradually decreased.
5. The rotary exhaust valve according to claim 1, wherein the elastic member comprises a torsion spring body sleeved on the hinge support portion, a first torsion spring extension end connected to a lower end of the torsion spring body and abutting against a side edge of the valve plate, and a second torsion spring extension end connected to an upper end of the torsion spring body and abutting against a side edge of the hinge support portion.
6. The rotary exhaust valve according to claim 5, wherein the length of the protruding end of the first torsion spring is longer than the length of the protruding end of the second torsion spring.
7. The rotary exhaust valve according to claim 5 further comprising a semi-circular seat; the semicircular support is arranged on the valve seat; the hinged branch part and the torsion spring body are positioned in the semicircular support; and the extending end of the first torsion spring extends out of the support and is tightly attached to the side edge of the valve plate.
8. The rotary exhaust valve according to claim 7 wherein said semi-circular seat is secured to said valve seat by screws.
9. The rotary exhaust valve according to claim 1 wherein one end of said valve plate is hinged to said hinge leg; the other end is provided with a cover hole part which is used for closely covering the exhaust duct; the area of the cap hole portion is larger than the hole area of the discharge hole passage.
10. An air conditioner compressor, characterized in that it comprises a rotary exhaust valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911107671.7A CN110985347B (en) | 2019-11-13 | 2019-11-13 | Rotary exhaust valve and air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911107671.7A CN110985347B (en) | 2019-11-13 | 2019-11-13 | Rotary exhaust valve and air conditioner compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110985347A true CN110985347A (en) | 2020-04-10 |
| CN110985347B CN110985347B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911107671.7A Active CN110985347B (en) | 2019-11-13 | 2019-11-13 | Rotary exhaust valve and air conditioner compressor |
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| Country | Link |
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| CN (1) | CN110985347B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432846A (en) * | 2023-12-19 | 2024-01-23 | 珠海格力电器股份有限公司 | Exhaust valve plate structure and compressor |
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| JPH10103561A (en) * | 1996-09-30 | 1998-04-21 | Oval Corp | Air-operated two-stage switching valve device |
| US5996551A (en) * | 1997-08-13 | 1999-12-07 | Pierburg Ag | Spring assembly in an engine air throttle control providing rotational blocking when relaxed |
| JP2000018179A (en) * | 1998-07-03 | 2000-01-18 | Fujitsu General Ltd | Scroll compressor |
| CN103527325A (en) * | 2013-10-13 | 2014-01-22 | 刘飞 | Rotary distance adjustment system for valve body and valve seat |
| CN205478340U (en) * | 2016-01-21 | 2016-08-17 | 珠海凌达压缩机有限公司 | Exhaust apparatus , rotor formula compressor and air conditioner |
| CN106382377A (en) * | 2016-03-14 | 2017-02-08 | 安徽红星阀门有限公司 | Novel valve |
-
2019
- 2019-11-13 CN CN201911107671.7A patent/CN110985347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103561A (en) * | 1996-09-30 | 1998-04-21 | Oval Corp | Air-operated two-stage switching valve device |
| US5996551A (en) * | 1997-08-13 | 1999-12-07 | Pierburg Ag | Spring assembly in an engine air throttle control providing rotational blocking when relaxed |
| JP2000018179A (en) * | 1998-07-03 | 2000-01-18 | Fujitsu General Ltd | Scroll compressor |
| CN103527325A (en) * | 2013-10-13 | 2014-01-22 | 刘飞 | Rotary distance adjustment system for valve body and valve seat |
| CN205478340U (en) * | 2016-01-21 | 2016-08-17 | 珠海凌达压缩机有限公司 | Exhaust apparatus , rotor formula compressor and air conditioner |
| CN106382377A (en) * | 2016-03-14 | 2017-02-08 | 安徽红星阀门有限公司 | Novel valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432846A (en) * | 2023-12-19 | 2024-01-23 | 珠海格力电器股份有限公司 | Exhaust valve plate structure and compressor |
| CN117432846B (en) * | 2023-12-19 | 2024-04-05 | 珠海格力电器股份有限公司 | Exhaust valve plate structure and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110985347B (en) | 2021-03-23 |
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