JPH0418150B2 - - Google Patents

Info

Publication number
JPH0418150B2
JPH0418150B2 JP58034740A JP3474083A JPH0418150B2 JP H0418150 B2 JPH0418150 B2 JP H0418150B2 JP 58034740 A JP58034740 A JP 58034740A JP 3474083 A JP3474083 A JP 3474083A JP H0418150 B2 JPH0418150 B2 JP H0418150B2
Authority
JP
Japan
Prior art keywords
fluid
compressor
scroll
wrap
wrap element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58034740A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58190595A (ja
Inventor
Henrii Ebaa Deiuitsudo
Yuujiin Atsutaa Robaato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trane Co
Original Assignee
Trane Co
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.)
Filing date
Publication date
Application filed by Trane Co filed Critical Trane Co
Publication of JPS58190595A publication Critical patent/JPS58190595A/ja
Publication of JPH0418150B2 publication Critical patent/JPH0418150B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • 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
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F04C14/065—Capacity control using a multiplicity of units or pumping capacities, e.g. multiple chambers, individually switchable or controllable
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/50—Inlet or outlet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/902—Hermetically sealed motor pump unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
JP58034740A 1982-03-05 1983-03-04 スクロ−ル型流体圧縮機 Granted JPS58190595A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/354,989 US4431388A (en) 1982-03-05 1982-03-05 Controlled suction unloading in a scroll compressor
US354989 1999-07-16

Publications (2)

Publication Number Publication Date
JPS58190595A JPS58190595A (ja) 1983-11-07
JPH0418150B2 true JPH0418150B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-26

Family

ID=23395788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58034740A Granted JPS58190595A (ja) 1982-03-05 1983-03-04 スクロ−ル型流体圧縮機

Country Status (6)

Country Link
US (1) US4431388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58190595A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1233144A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3308227A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2522733B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2116635B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431380A (en) * 1982-06-07 1984-02-14 The Trane Company Scroll compressor with controlled suction unloading using coupling means
JPS5928083A (ja) * 1982-08-07 1984-02-14 Sanden Corp スクロ−ル型圧縮機
JPS59110884A (ja) * 1982-12-17 1984-06-26 Hitachi Ltd スクロ−ル圧縮機
JPS59224493A (ja) * 1983-06-03 1984-12-17 Mitsubishi Electric Corp スクロ−ル圧縮機
JPS6013995A (ja) * 1983-07-01 1985-01-24 Mitsubishi Electric Corp スクロ−ル形流体機械
JPS60101296A (ja) * 1983-10-21 1985-06-05 Hitachi Ltd スクロール圧縮機
JPS60101295A (ja) * 1983-11-08 1985-06-05 Sanden Corp 圧縮容量可変型のスクロ−ル型圧縮機
US4522575A (en) * 1984-02-21 1985-06-11 American Standard Inc. Scroll machine using discharge pressure for axial sealing
US4552518A (en) * 1984-02-21 1985-11-12 American Standard Inc. Scroll machine with discharge passage through orbiting scroll plate and associated lubrication system
JPS6128782A (ja) * 1984-07-20 1986-02-08 Toshiba Corp スクロ−ルコンプレツサ
JPS61169686A (ja) * 1985-01-23 1986-07-31 Hitachi Ltd スクロ−ル圧縮機
DE3525933A1 (de) * 1985-07-19 1987-01-29 Bock Gmbh & Co Kaeltemaschinen Spiralverdichter
US4696627A (en) * 1985-08-15 1987-09-29 Nippondenso Co., Ltd. Scroll compressor
JPS6285189A (ja) * 1985-09-27 1987-04-18 Mitsubishi Electric Corp スクロ−ル圧縮機
JPS6275091A (ja) * 1985-09-30 1987-04-06 Toshiba Corp スクロ−ルコンプレツサ
US5219281A (en) * 1986-08-22 1993-06-15 Copeland Corporation Fluid compressor with liquid separating baffle overlying the inlet port
US4767293A (en) * 1986-08-22 1988-08-30 Copeland Corporation Scroll-type machine with axially compliant mounting
US5407335A (en) * 1986-08-22 1995-04-18 Copeland Corporation Non-orbiting scroll mounting arrangements for a scroll machine
US5102316A (en) * 1986-08-22 1992-04-07 Copeland Corporation Non-orbiting scroll mounting arrangements for a scroll machine
JPS6380089A (ja) * 1986-09-24 1988-04-11 Mitsubishi Electric Corp スクロ−ル真空ポンプ
JPH0615872B2 (ja) * 1987-06-30 1994-03-02 サンデン株式会社 可変容量型スクロ−ル圧縮機
US4820130A (en) * 1987-12-14 1989-04-11 American Standard Inc. Temperature sensitive solenoid valve in a scroll compressor
JP2780301B2 (ja) * 1989-02-02 1998-07-30 株式会社豊田自動織機製作所 スクロール型圧縮機における容量可変機構
US5224848A (en) * 1990-04-27 1993-07-06 Sanyo Electric Co., Ltd. Scroll compressor with discharge valve opened by centrifugal force
US5141420A (en) * 1990-06-18 1992-08-25 Copeland Corporation Scroll compressor discharge valve
JP2712777B2 (ja) * 1990-07-13 1998-02-16 三菱電機株式会社 スクロール圧縮機
US5362210A (en) * 1993-02-26 1994-11-08 Tecumseh Products Company Scroll compressor unloader valve
US5803716A (en) * 1993-11-29 1998-09-08 Copeland Corporation Scroll machine with reverse rotation protection
JP3549631B2 (ja) * 1995-06-26 2004-08-04 サンデン株式会社 可変容量型スクロール圧縮機
US5496160A (en) * 1995-07-03 1996-03-05 Tecumseh Products Company Scroll compressor having a suction check valve
DE69618976T2 (de) * 1995-11-02 2002-08-29 Aaf-Mcquay Inc., Baltimore Spiralverdichter
EP0858559B1 (en) * 1995-11-02 2002-01-30 Aaf-McQuay Incorporated Scroll compressors
JP3723283B2 (ja) * 1996-06-25 2005-12-07 サンデン株式会社 スクロール型可変容量圧縮機
FR2756877B1 (fr) * 1996-12-05 1999-01-22 Maneurop Compresseur hermetique destine a la circulation de gaz
US5921761A (en) * 1997-04-17 1999-07-13 Copeland Corporation Scroll machine with discharge duct
US6206652B1 (en) 1998-08-25 2001-03-27 Copeland Corporation Compressor capacity modulation
US6047556A (en) * 1997-12-08 2000-04-11 Carrier Corporation Pulsed flow for capacity control
US6203299B1 (en) * 1998-12-21 2001-03-20 Scroll Technologies Capacity modulation for scroll compressors
US6171084B1 (en) 1999-01-26 2001-01-09 Copeland Corporation Discharge valve
US6139291A (en) * 1999-03-23 2000-10-31 Copeland Corporation Scroll machine with discharge valve
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
US6267565B1 (en) 1999-08-25 2001-07-31 Copeland Corporation Scroll temperature protection
US6241495B1 (en) * 1999-11-02 2001-06-05 Rechi Precision Co., Ltd. Modified positioning mechanism for stationary scroll of scroll compressor
JP3870642B2 (ja) * 1999-12-21 2007-01-24 株式会社デンソー 電動圧縮機
US6224356B1 (en) * 2000-01-05 2001-05-01 Scroll Technologies Check valve stop and ports
KR100390780B1 (ko) * 2000-12-29 2003-07-10 주식회사 엘지이아이 스크롤 압축기의 역회전 방지장치
US6892546B2 (en) 2001-05-03 2005-05-17 Emerson Retail Services, Inc. System for remote refrigeration monitoring and diagnostics
US6668240B2 (en) 2001-05-03 2003-12-23 Emerson Retail Services Inc. Food quality and safety model for refrigerated food
US6551069B2 (en) 2001-06-11 2003-04-22 Bristol Compressors, Inc. Compressor with a capacity modulation system utilizing a re-expansion chamber
US6889173B2 (en) 2002-10-31 2005-05-03 Emerson Retail Services Inc. System for monitoring optimal equipment operating parameters
US6821092B1 (en) 2003-07-15 2004-11-23 Copeland Corporation Capacity modulated scroll compressor
KR100557056B1 (ko) * 2003-07-26 2006-03-03 엘지전자 주식회사 용량 조절식 스크롤 압축기
CN100489419C (zh) 2003-08-25 2009-05-20 计算机程序控制公司 制冷系统和方法
US7160088B2 (en) * 2003-09-25 2007-01-09 Emerson Climate Technologies, Inc. Scroll machine
US7070401B2 (en) * 2004-03-15 2006-07-04 Copeland Corporation Scroll machine with stepped sleeve guide
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
KR100590494B1 (ko) * 2004-12-14 2006-06-19 엘지전자 주식회사 선회베인 압축기의 압축장치
ATE553422T1 (de) 2005-02-21 2012-04-15 Computer Process Controls Inc Kontroll- und beobachtungssystem für unternehmen
US20060228243A1 (en) * 2005-04-08 2006-10-12 Scroll Technologies Discharge valve structures for a scroll compressor having a separator plate
US20070036661A1 (en) * 2005-08-12 2007-02-15 Copeland Corporation Capacity modulated scroll compressor
US8496446B2 (en) * 2005-08-29 2013-07-30 Carrier Corporation Compressor muffler
US7752854B2 (en) 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring a condenser in a refrigeration system
US7665315B2 (en) 2005-10-21 2010-02-23 Emerson Retail Services, Inc. Proofing a refrigeration system operating state
US7594407B2 (en) 2005-10-21 2009-09-29 Emerson Climate Technologies, Inc. Monitoring refrigerant in a refrigeration system
US7752853B2 (en) 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring refrigerant in a refrigeration system
US7596959B2 (en) 2005-10-21 2009-10-06 Emerson Retail Services, Inc. Monitoring compressor performance in a refrigeration system
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
EP2049847A4 (en) * 2006-08-08 2013-09-18 Carrier Corp COMPRESSOR TEMPERATURE BASED SUCTION VALVE PULSE WIDTH MODULATION CONTROL
US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
US9404499B2 (en) * 2006-12-01 2016-08-02 Emerson Climate Technologies, Inc. Dual chamber discharge muffler
US8157538B2 (en) 2007-07-23 2012-04-17 Emerson Climate Technologies, Inc. Capacity modulation system for compressor and method
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
US7914268B2 (en) * 2007-09-11 2011-03-29 Emerson Climate Technologies, Inc. Compressor having shell with alignment features
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US8152500B2 (en) * 2008-01-17 2012-04-10 Bitzer Scroll Inc. Scroll compressor build assembly
CN102384085B (zh) 2008-05-30 2014-11-12 艾默生环境优化技术有限公司 具有容量调节系统的压缩机
ES2647783T3 (es) * 2008-05-30 2017-12-26 Emerson Climate Technologies, Inc. Compresor que tiene un sistema de modulación de la capacidad
EP2307728B1 (en) 2008-05-30 2016-08-10 Emerson Climate Technologies, Inc. Compressor having output adjustment assembly including piston actuation
US7988434B2 (en) * 2008-05-30 2011-08-02 Emerson Climate Technologies, Inc. Compressor having capacity modulation system
US8328531B2 (en) * 2009-01-22 2012-12-11 Danfoss Scroll Technologies, Llc Scroll compressor with three-step capacity control
MX2011007293A (es) 2009-01-27 2011-09-01 Emerson Climate Technologies Sistema descargador y metodo para un compresor.
US8568118B2 (en) * 2009-05-29 2013-10-29 Emerson Climate Technologies, Inc. Compressor having piston assembly
MX2011012546A (es) 2009-05-29 2012-10-03 Emerson Retail Services Inc Sistema y metodo para monitorear y evaluar modificaciones de parametros operativos de equipo.
US8616014B2 (en) * 2009-05-29 2013-12-31 Emerson Climate Technologies, Inc. Compressor having capacity modulation or fluid injection systems
CN105910247B (zh) 2011-02-28 2018-12-14 艾默生电气公司 住宅解决方案的hvac的监视和诊断
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9638436B2 (en) 2013-03-15 2017-05-02 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
WO2014165731A1 (en) 2013-04-05 2014-10-09 Emerson Electric Co. Heat-pump system with refrigerant charge diagnostics
JP6484796B2 (ja) * 2014-04-24 2019-03-20 パナソニックＩｐマネジメント株式会社 スクロール圧縮機
DE102016108555B4 (de) * 2016-05-10 2019-04-25 Technische Universität Dresden Scrollmaschine mit einstellbarem Volumenverhältnis
WO2017210594A1 (en) * 2016-06-02 2017-12-07 Trane International Inc. A scroll compressor with partial load capacity
US11656003B2 (en) 2019-03-11 2023-05-23 Emerson Climate Technologies, Inc. Climate-control system having valve assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2160582A1 (de) * 1971-12-07 1973-06-14 Leybold Heraeus Gmbh & Co Kg Verdraengerpumpe mit evolventenfoermigen vorspruengen
US3924977A (en) * 1973-06-11 1975-12-09 Little Inc A Positive fluid displacement apparatus
FR2281510A1 (fr) * 1974-08-05 1976-03-05 Zimmern Bernard Procede de regulation des compresseurs rotatifs doubles et dispositifs pour sa mise en oeuvre
JPS53141913A (en) * 1977-05-18 1978-12-11 Hitachi Ltd Scroll fluid device
JPS5428002A (en) * 1977-08-03 1979-03-02 Hitachi Ltd Control system for scrool fluid machine
US4141677A (en) * 1977-08-15 1979-02-27 Ingersoll-Rand Company Scroll-type two stage positive fluid-displacement apparatus with intercooler
US4332535A (en) * 1978-12-16 1982-06-01 Sankyo Electric Company Limited Scroll type compressor having an oil separator and oil sump in the suction chamber
JPS5716292A (en) * 1980-07-01 1982-01-27 Sanden Corp Scroll type compressor
US4383805A (en) * 1980-11-03 1983-05-17 The Trane Company Gas compressor of the scroll type having delayed suction closing capacity modulation

Also Published As

Publication number Publication date
US4431388A (en) 1984-02-14
GB2116635B (en) 1986-01-22
CA1233144A (en) 1988-02-23
GB8305971D0 (en) 1983-04-07
FR2522733A1 (fr) 1983-09-09
DE3308227A1 (de) 1983-09-08
GB2116635A (en) 1983-09-28
JPS58190595A (ja) 1983-11-07
DE3308227C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-25
FR2522733B1 (fr) 1985-12-06

Similar Documents

Publication Publication Date Title
JPH0418150B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR100996628B1 (ko) 용량 조정식 스크롤 압축기
US4383805A (en) Gas compressor of the scroll type having delayed suction closing capacity modulation
USRE41955E1 (en) Capacity modulation for plural compressors
US4840545A (en) Scroll compressor relief valve
KR100696644B1 (ko) 스크롤형 압축기
US6176686B1 (en) Scroll machine with capacity modulation
EP0844398B1 (en) Scroll machine with reverse rotation protection
JPS58122386A (ja) スクロ−ル圧縮機
EP0840011B1 (en) Scroll machine with reverse rotation sound attenuation
US6120255A (en) Scroll machine with capacity modulation
KR20100072206A (ko) 셧다운 밸브를 가진 압축기
US4714415A (en) Scroll compressor with closed compression spaces having valves to reduce starting torque
CN113994098B (zh) 涡旋式压缩机
US4431380A (en) Scroll compressor with controlled suction unloading using coupling means
US11867173B2 (en) Scroll compressor
EP1696128B1 (en) Scroll machine
US5215452A (en) Compressor having an oil pump ring associated with the orbiting shaft
JPH09217691A (ja) スクロール気体圧縮機
US20090116977A1 (en) Compressor With Muffler
EP0070617B1 (en) Scroll type fluid displacement apparatus
JPS58190591A (ja) スクロ−ル流体機械
JPH0566291U (ja) 圧縮機
KR20070019603A (ko) 용량 조정식 스크롤 압축기