KR101892803B1 - An apparatus for back pressure control in scroll compressor - Google Patents

An apparatus for back pressure control in scroll compressor Download PDF

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Publication number
KR101892803B1
KR101892803B1 KR1020160050821A KR20160050821A KR101892803B1 KR 101892803 B1 KR101892803 B1 KR 101892803B1 KR 1020160050821 A KR1020160050821 A KR 1020160050821A KR 20160050821 A KR20160050821 A KR 20160050821A KR 101892803 B1 KR101892803 B1 KR 101892803B1
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KR
South Korea
Prior art keywords
back pressure
chamber
scroll
scroll compressor
elastic member
Prior art date
Application number
KR1020160050821A
Other languages
Korean (ko)
Other versions
KR20170122329A (en
Inventor
이건호
권윤기
구인회
한영창
Original Assignee
학교법인 두원학원
주식회사 두원전자
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 학교법인 두원학원, 주식회사 두원전자 filed Critical 학교법인 두원학원
Priority to KR1020160050821A priority Critical patent/KR101892803B1/en
Priority to PCT/KR2017/004380 priority patent/WO2017188702A1/en
Priority to CN201780034707.6A priority patent/CN109661517A/en
Publication of KR20170122329A publication Critical patent/KR20170122329A/en
Application granted granted Critical
Publication of KR101892803B1 publication Critical patent/KR101892803B1/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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • 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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • 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
    • F04C2240/40—Electric motor

Abstract

The orbiting scroll includes a main frame, a driving shaft formed inside the main frame and rotated by a motor, a orbiting scroll connected to the driving shaft and pivotally driven by a driving force of the driving shaft, A fixed scroll having a spiral fixed lap that defines a compression chamber for compressing the fluid sucked through the suction chamber between the rotary drum and the orbiting wrap during the orbiting motion of the rotary drum and corresponding to the orbiting wrap; And a scroll compressor provided in a scroll compressor including a back pressure chamber provided at one side of the orbiting scroll and adapted to adjust a back pressure acting on the orbiting scroll and the fixed scroll, The back pressure control means of the back pressure control means is provided with a space communicating with the suction chamber and the back pressure chamber, Valve member; An elastic member elastically deformed corresponding to a pressure acting on the valve member; And an elastic member supporting member which is provided in a space communicating with the discharge chamber and moves in accordance with the pressure of the discharge chamber changed in accordance with an operation load of the scroll compressor and one side of which is supported by the elastic member, The setting value is adjusted according to the movement of the member to adjust the discharge pressure.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scroll compressor,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a means for controlling a back pressure, and more particularly to a back pressure control means of a scroll compressor which is provided in a scroll compressor and controls a back pressure of the compressor.

BACKGROUND ART [0002] Generally, a scroll compressor is a compressor that compresses a refrigerant gas by being provided in an air conditioner refrigerator, an air conditioner of an automobile or the like. The scroll compressor includes a fixed scroll and a rotary scroll, and a compression chamber is formed between the fixed scroll and the rotary scroll. Further, the refrigerant gas introduced into the scroll compressor is sucked through the suction chamber, and the sucked refrigerant moves to the compression chamber formed between the fixed scroll and the rotary scroll, and compresses the refrigerant gas by the rotation of the rotary scroll. The refrigerant compressed in the compression chamber discharges the high-pressure gas to the discharge chamber through the central discharge portion.

In such a scroll compressor, the back pressure of the discharge chamber and the compression chamber is not appropriately made, so that the operating pressure ratio may be low or high, resulting in lowering of the efficiency and life span. Korean Patent Laid-Open Publication No. 2003-0044241 discloses a patent on a back pressure device for a scroll compressor for regulating the back pressure of such scroll compressor.

However, in the conventional back pressure control device for a scroll compressor, required power is generated by adjusting the gap between the fixed lap of the fixed scroll and the orbiting lap of the orbiting scroll, and the back pressure control device of the conventional scroll compressor There is a problem that unnecessary power is consumed at a low load by controlling the back pressure.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a scroll compressor which is capable of adjusting a discharge pressure corresponding to a pressure in a suction chamber and a pressure in a discharge chamber, And a back pressure control means for the scroll compressor.

According to the back pressure control means of the scroll compressor according to the present invention, the back pressure control means of the scroll compressor includes a main frame, a drive shaft which is formed inside the main frame and rotates by a motor, And a compression chamber for compressing the fluid sucked through the suction chamber during the orbiting movement of the orbiting scroll, the compression chamber being defined by the spiral wrap, and a spiral A scroll compressor including a fixed scroll having a fixed lap on the orbiting scroll, a discharge portion communicating with the compression chamber to discharge compressed gas into the discharge chamber, and a back pressure chamber provided at one side of the orbiting scroll, A backpressure control means for controlling a backpressure acting on the fixed scroll, the backpressure control means comprising: A valve member provided in a space communicating with the back pressure chamber and opening and closing a space communicating with the valve member; An elastic member elastically deformed corresponding to a pressure acting on the valve member; And an elastic member supporting member which is provided in a space communicating with the discharge chamber and moves in accordance with the pressure of the discharge chamber which is changed in accordance with the operation load of the scroll compressor and whose one side is supported by the elastic member, The set value is adjusted in accordance with the movement of the pump to regulate the discharge pressure.

Wherein the back pressure control means of the scroll compressor includes a discharge chamber flow path whose one end is communicated with the discharge chamber and the other end of the discharge chamber flow path is provided with the elastic member and the back pressure regulating member therein, And a flow path portion including a suction chamber flow path communicated with the chamber and a back pressure chamber flow path having one end connected to the other end of the suction chamber flow path and communicating with the back pressure chamber.

Further, it is preferable that the discharge chamber flow path is further formed with a step along the inner circumference.

The elastic member support member includes a rod portion that is located in the discharge chamber flow path and has one end extending toward the suction chamber flow path and an extension portion that is located in the stepped portion and protrudes along the outer circumference of the rod portion And the sliding movement can be restricted by the step.

The elastic member supporting member may further include a groove formed in the outer periphery of the elastic member supporting member, and a seal member provided in the groove.

Further, the back pressure control means of the scroll compressor may further include an orifice formed in a flow path from the discharge chamber to the back pressure chamber.

The back pressure control means of the scroll compressor may further include a bypass connected to the compression chamber and forming a flow path to the back pressure chamber.

According to the back pressure control means of the scroll compressor according to the present invention, the restoring force of the elastic member is deformed by the movement of the elastic member supporting member in accordance with the pressure of the discharge chamber, and the valve member To control the discharge pressure.

Therefore, it is necessary to adjust the discharge pressure to be low under the low load condition of the scroll compressor in which the discharge chamber pressure and the suction chamber pressure are low, and to adjust the discharge pressure to be high at the discharge chamber pressure and high load condition of the scroll compressor, .

Accordingly, the power required for the scroll compressor compressor can be reduced, and the efficiency of the scroll compressor can be improved.

1 is a sectional view showing a scroll compressor provided with a back pressure control means of the present invention,
2 and 3 are cross-sectional views schematically showing the operation of the back pressure control means of the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the back pressure control means 10 of the scroll compressor according to the embodiment of the present invention is provided inside the scroll compressor 1 for compressing the refrigerant gas. The scroll compressor 1 includes a main frame 20, a drive shaft 30, an orbiting scroll 40, a fixed scroll 60, a discharge portion 70, and a back pressure chamber 80.

The drive shaft 30 is provided inside the main frame 20 and is rotated by a motor.

The orbiting scroll (40) is connected to the drive shaft (30) and rotates by the driving force of the drive shaft (30). The orbiting scroll (40) has a spiral orbiting wrap (41).

The fixed scroll (60) is provided at a position corresponding to the orbiting scroll (40), so that the orbiting scroll (40) is engaged when the orbiting scroll is rotated. The fixed scroll (60) has a helical fixed lap (62) engaging with the orbiting wrap (41) so as to define a compression chamber (61) with the orbiting wrap (41). That is, the fluid sucked through the suction chamber 50 flows into the compression chamber 61 between the orbiting wrap 41 and the fixed lap 61, and by the rotation of the orbiting wrap 41, (61) is compressed according to the reduction of the space.

The discharge portion 70 communicates with the compression chamber 61 so that the refrigerant gas compressed in the compression chamber 61 is discharged into the discharge chamber 71.

The back pressure chamber 80 is provided at one side of the orbiting scroll 40 to adjust the back pressure acting on the orbiting scroll 40 and the fixed scroll 60 by the pressure of the back pressure chamber 80 .

The scroll compressor 1 is a commonly used scroll compressor which may further include other structures for compressing a refrigerant gas such as a bearing, a sliding bush and an oil supply system, . However, since this is independent of the gist of the present invention, a detailed description will be omitted here. The back pressure control means 10 of the scroll compressor of the present invention is preferably provided in the main frame 20 and the fixed scroll 60.

The back pressure control means 10 of the scroll compressor 1 includes a valve member 300, an elastic member 400 and an elastic member supporting member 200. The back pressure control means 10 of the scroll compressor 1 may further include a flow path portion 100.

The flow path portion 100 is formed by a passage through which the refrigerant gas to be compressed can be moved to the section communicating with the discharge chamber 71 and the suction chamber 50 and the back pressure chamber 80. The flow path portion 100 includes a discharge chamber flow path 110, a suction chamber flow path 120, and a back pressure chamber flow path 130.

One end of the discharge chamber flow path (110) communicates with the discharge chamber (71) and is formed in the fixed scroll (60). The discharge chamber flow path 110 may further include a step 111 along an inner circumference thereof. The step 111 can limit the movement of the elastic member supporting member 200 to be described later.

One end of the suction air flow path 120 is connected to the other end of the discharge air flow path 110 and may be formed in the main frame 20. Further, the suction chamber flow path 120 communicates with the suction chamber 50 on one side.

One end of the back pressure chamber flow path 130 is connected to the other end of the suction chamber flow path 120, and the other end is communicated with the back pressure chamber 80. That is, the refrigerant gas moves along the back pressure chamber flow path 130 from the back pressure chamber 80 to the suction room flow path 120, flows into the suction room flow path 120, ).

The valve member 300 is provided in a space where the suction chamber 50 and the back pressure chamber 80 communicate with each other to open and close a space where the suction chamber 50 and the back pressure chamber 80 communicate with each other. As shown in FIGS. 2 and 3, the valve member 300 is preferably formed in the form of a ball. That is, the valve member 300 can adjust the amount of the refrigerant gas flowing into the suction chamber 50 from the back pressure chamber 80, thereby controlling the back pressure of the scroll compressor 1. It is preferable that the valve member 300 is provided between the suction chamber 120 and the back pressure chamber 130.

The elastic member 400 is provided in a space where the suction chamber 50 and the back pressure chamber 80 communicate with each other. More specifically, the elastic member 400 is disposed inside the suction chamber 120. One end of the elastic member 400 is connected to the valve member 300 and is elastically deformable corresponding to the pressure applied to the valve member 300. The elastic member 400 is an elastic member having elastic force. The elastic member 400 is connected to the elastic member supporting member 200 to be described later so that the restoring force is changed corresponding to the pressure of the discharge chamber 71 which is changed according to the operation load of the scroll compressor 1. [ . The force acting on the valve member 300 can be adjusted corresponding to the restoring force of the elastic member 400 and the force acting on the valve member 300 can be applied to the back pressure chamber 80 and the suction chamber 50 Can be adjusted. Accordingly, the amount of the refrigerant gas that is transferred from the back pressure chamber 80 to the suction chamber 50 can be adjusted.

The elastic member support member 200 is provided in a space communicating with the discharge chamber 71 and moves in accordance with the pressure of the discharge chamber 71 which is changed in accordance with the operation load of the scroll compressor 1. [ Further, one side of the elastic member supporting member 200 is connected to and supported by the elastic member. The elastic member support member 200 includes a rod portion 210 and an extension portion 220.

The rod portion 210 is provided at the other end of the discharge chamber flow path 110 and has one end extending toward the suction chamber flow path 120. In addition, the rod portion 210 receives one end of the pressure in the discharge chamber 71 and slides by the pressure of the discharge chamber 71. The other end of the rod portion 210 receives the pressure of the suction chamber 50 and is slidably moved so that the pressure of the discharge chamber 71 and the pressure of the suction chamber 50 can be slidably moved have.

The extension part 220 is formed to protrude along the outer circumference of the rod part 210. Further, the extension 220 is located within the step 111, and the sliding movement section is limited by the step 111. That is, the elastic member supporting member 200 slides to a proper position corresponding to the pressure of the discharge chamber 71 and the pressure of the suction chamber 50 within the movement interval limited by the step 111. [

The elastic member supporting member 200 may further include a groove 230 and may further include a seal member 240.

The groove 230 may be formed along the outer circumference of the elastic member supporting member 200. Preferably, the groove 230 is formed along the outer circumference of the rod 210.

The seal member 240 may be provided in the groove 230. By providing the seal member 240, the sealing force is improved.

That is, the elastic member supporting member 200 is movable in correspondence with the pressure of the discharge chamber 71, which is changed according to the operation load of the scroll compressor 1, and the elastic member supporting member 200 is moved The restoring force of the elastic member 400 connected to the elastic member supporting member 200 may be deformed. As the restoring force of the elastic member 400 is deformed, the force acting on the valve member 300 is deformed, so that the opening and closing range of the back pressure chamber 80 can be adjusted. In other words, the set value is adjusted in accordance with the movement of the elastic member support member 200, so that the discharge pressure can be adjusted. Therefore, the amount of the refrigerant gas that can flow into the suction chamber 50 from the back pressure chamber 80 can be controlled, thereby controlling the discharge pressure of the scroll compressor 1. That is, under a low load condition of the scroll compressor 1 in which the pressure in the suction chamber 50 and the pressure in the discharge chamber 71 are low, the discharge pressure is controlled to be low so that the pressure in the suction chamber 50, And controls the discharge pressure to be high in the high load condition of the scroll compressor (1) where the pressure of the high pressure pump (71) is high. Accordingly, the discharge pressure is changed in accordance with the operation load of the scroll compressor 1, the required power is reduced, and the compressor efficiency can be improved.

Meanwhile, the back pressure control means 10 of the scroll compressor may further include an orifice 500 formed in the flow passage supplied from the discharge chamber 71 to the back pressure chamber 80. More specifically, the orifice 500 is provided in the oil supply hole of the scroll compressor 1, and a pressure difference between the front and rear of the orifice 500 is generated on the basis of the orifice 500, have.

The back pressure control means 10 of the scroll compressor may further include a bypass connected to the compression chamber 61 to form a flow passage to be supplied to the back pressure chamber 80.

According to the back pressure control means (10) of the scroll compressor according to the present invention, the elastic member supporting member (200) is provided in correspondence with the pressure of the discharge chamber (71) The restoring force of the elastic member 400 is deformed by the movement and the valve member 300 communicating the suction chamber 50 and the back pressure chamber 80 by the restoring force of the elastic member 400 is controlled to adjust the back pressure of the scroll compressor This is possible.

The pressure in the discharge chamber 71 and the pressure in the suction chamber 50 are controlled to be low under the low load condition of the scroll compressor 1 at which the pressure in the discharge chamber 71 and the pressure in the suction chamber 50 are low, In the high load condition of the scroll compressor (1) with high pressure, the discharge pressure can be adjusted to be high.

Thus, the required power of the scroll compressor 1 can be reduced, and the efficiency of the scroll compressor 1 can be improved.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: scroll compressor 10: back pressure control means of scroll compressor
20: main frame 30: drive shaft
40: orbiting scroll 41: orbiting wrap
50: suction chamber 60: fixed scroll
61: compression chamber 62: stationary wrap
70: Discharge section 71: Discharge chamber
80: back pressure chamber 100:
110: discharge chamber flow path 111:
120: suction chamber flow path 130: back pressure chamber flow path
200: elastic member supporting member 210:
220: Extension part 230: Home
240: seal member 300: valve member
400: elastic member 500: orifice

Claims (7)

The orbiting scroll includes a main frame, a driving shaft formed inside the main frame and rotated by a motor, a orbiting scroll connected to the driving shaft and pivotally driven by a driving force of the driving shaft, A fixed scroll having a spiral fixed lap that defines a compression chamber for compressing the fluid sucked through the suction chamber between the rotary drum and the orbiting wrap during the orbiting movement of the rotary drum and corresponding to the orbiting wrap, And a scroll compressor provided in a scroll compressor including a back pressure chamber provided at one side of the orbiting scroll and adapted to adjust a back pressure acting on the orbiting scroll and the fixed scroll, In the back pressure control means,
A valve member provided in a space communicating with the suction chamber and the back pressure chamber and opening / closing a space communicating therewith;
An elastic member elastically deformed corresponding to a pressure acting on the valve member; And
And an elastic member supporting member which is provided in a space communicating with the discharge chamber and moves in accordance with the pressure of the discharge chamber which is changed in accordance with the operation load of the scroll compressor and whose one side is supported by the elastic member,
And a back pressure control means for controlling the back pressure by regulating the set value in accordance with the movement of the elastic member support member. The method according to claim 1,
A suction chamber which is connected to the other end of the discharge chamber and has the elastic member and the valve member therein and communicates with the suction chamber on one side, And a flow path portion including a back pressure chamber flow path connected to the other end of the suction chamber flow path and communicating with the back pressure chamber. The method of claim 2,
The discharge-
A back pressure control means for the scroll compressor in which a step is further formed along the inner periphery. The method of claim 3,
Wherein the elastic member supporting member comprises:
A rod portion located in the discharge chamber flow path and having one end extending toward the suction chamber flow path side,
And an enlarged portion projecting along the outer periphery of the rod portion and positioned in the step,
The back pressure control means of the scroll compressor in which the sliding movement is restricted by the step. The method according to claim 1,
Wherein the elastic member supporting member comprises:
A back pressure control means for the scroll compressor further comprising a groove formed along the outer periphery and further comprising a seal member provided in the groove. The method according to claim 1,
Further comprising an orifice formed in a flow path from the discharge chamber to the back pressure chamber. The method according to claim 1,
And a bypass connected to the compression chamber to form a flow path to be supplied to the back pressure chamber.
KR1020160050821A 2016-04-26 2016-04-26 An apparatus for back pressure control in scroll compressor KR101892803B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020160050821A KR101892803B1 (en) 2016-04-26 2016-04-26 An apparatus for back pressure control in scroll compressor
PCT/KR2017/004380 WO2017188702A1 (en) 2016-04-26 2017-04-25 Means for controlling back pressure in scroll compressor
CN201780034707.6A CN109661517A (en) 2016-04-26 2017-04-25 For controlling the device of the back pressure in scroll compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160050821A KR101892803B1 (en) 2016-04-26 2016-04-26 An apparatus for back pressure control in scroll compressor

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KR20170122329A KR20170122329A (en) 2017-11-06
KR101892803B1 true KR101892803B1 (en) 2018-08-29

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CN (1) CN109661517A (en)
WO (1) WO2017188702A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102018204278B4 (en) * 2018-03-20 2020-02-06 Volkswagen Aktiengesellschaft Spiral compressor and method for its assembly
CN112682307B (en) * 2020-12-29 2022-05-10 罗伯特·博世有限公司 Scroll compressor having a scroll compressor with a suction chamber
CN113494452A (en) * 2021-08-16 2021-10-12 珠海格力节能环保制冷技术研究中心有限公司 Compressor backpressure subassembly, compressor and air conditioning system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0778391B2 (en) * 1985-07-05 1995-08-23 松下電器産業株式会社 Scroll gas compressor
JPH08284849A (en) * 1995-04-13 1996-10-29 Hitachi Ltd Scroll compressor
JP2001227479A (en) * 2000-02-18 2001-08-24 Fujitsu General Ltd Scroll compressor
KR100551791B1 (en) * 2003-09-18 2006-02-13 엘지전자 주식회사 Back pressure controlling apparutus of scroll compressor
KR100557058B1 (en) * 2003-09-18 2006-03-03 엘지전자 주식회사 Scroll compressor including back pressure controlling apparutus
JP4385722B2 (en) * 2003-10-22 2009-12-16 パナソニック株式会社 Scroll compressor
KR100937919B1 (en) * 2007-09-12 2010-01-21 학교법인 두원학원 A scroll compressor improved in function of oil circulation and back pressure control
JP4903826B2 (en) * 2009-02-25 2012-03-28 日立アプライアンス株式会社 Scroll fluid machinery
JP2012207655A (en) * 2011-03-15 2012-10-25 Toyota Industries Corp Rankine cycle apparatus
WO2012131904A1 (en) * 2011-03-29 2012-10-04 日立アプライアンス株式会社 Scroll compressor
KR101509290B1 (en) * 2012-09-17 2015-04-07 한라비스테온공조 주식회사 Scroll compressor
KR102168627B1 (en) * 2013-10-24 2020-10-22 학교법인 두원학원 Scroll compressor

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KR20170122329A (en) 2017-11-06
CN109661517A (en) 2019-04-19
WO2017188702A1 (en) 2017-11-02

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