ATE510130T1 - Zweistufiger drehkolbenkompressor - Google Patents

Zweistufiger drehkolbenkompressor

Info

Publication number
ATE510130T1
ATE510130T1 AT03253574T AT03253574T ATE510130T1 AT E510130 T1 ATE510130 T1 AT E510130T1 AT 03253574 T AT03253574 T AT 03253574T AT 03253574 T AT03253574 T AT 03253574T AT E510130 T1 ATE510130 T1 AT E510130T1
Authority
AT
Austria
Prior art keywords
refrigerant
introduction pipe
means provided
filtering means
shell case
Prior art date
Application number
AT03253574T
Other languages
English (en)
Inventor
Kenzo Malumoto
Haruhisa Yamasaki
Kazuya Sato
Masaya Tadano
Satoshi Imai
Akira Sugawara
Takashi Sato
Original Assignee
Sanyo Electric 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
Priority claimed from JP2002164735A external-priority patent/JP2004011506A/ja
Priority claimed from JP2002167253A external-priority patent/JP2004011548A/ja
Priority claimed from JP2002166410A external-priority patent/JP2004011536A/ja
Priority claimed from JP2002167271A external-priority patent/JP4100969B2/ja
Priority claimed from JP2002176494A external-priority patent/JP2004019563A/ja
Priority claimed from JP2002177941A external-priority patent/JP2004019599A/ja
Priority claimed from JP2002185802A external-priority patent/JP2004027970A/ja
Application filed by Sanyo Electric Co filed Critical Sanyo Electric Co
Application granted granted Critical
Publication of ATE510130T1 publication Critical patent/ATE510130T1/de

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0818—Vane tracking; control therefor
    • F01C21/0854—Vane tracking; control therefor by fluid means
    • F01C21/0863—Vane tracking; control therefor by fluid means the fluid being the working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • 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
    • F04C23/001—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 of similar working principle
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/023—Lubricant distribution through a hollow driving shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
    • 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
    • F04C2250/101—Geometry of the inlet or outlet of the inlet
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/21—Pressure difference

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)
AT03253574T 2002-06-05 2003-06-05 Zweistufiger drehkolbenkompressor ATE510130T1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2002164735A JP2004011506A (ja) 2002-06-05 2002-06-05 多段圧縮式ロータリコンプレッサ
JP2002167253A JP2004011548A (ja) 2002-06-07 2002-06-07 内部中間圧型多段圧縮式ロータリコンプレッサ
JP2002166410A JP2004011536A (ja) 2002-06-07 2002-06-07 ロータリコンプレッサ及びその製造方法
JP2002167271A JP4100969B2 (ja) 2002-06-07 2002-06-07 ロータリコンプレッサ
JP2002176494A JP2004019563A (ja) 2002-06-18 2002-06-18 多段圧縮式ロータリコンプレッサ及びその排除容積比設定方法
JP2002177941A JP2004019599A (ja) 2002-06-19 2002-06-19 多段圧縮式ロータリコンプレッサ
JP2002185802A JP2004027970A (ja) 2002-06-26 2002-06-26 多段圧縮式ロータリコンプレッサ

Publications (1)

Publication Number Publication Date
ATE510130T1 true ATE510130T1 (de) 2011-06-15

Family

ID=29554592

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03253574T ATE510130T1 (de) 2002-06-05 2003-06-05 Zweistufiger drehkolbenkompressor

Country Status (6)

Country Link
US (5) US7131821B2 (de)
EP (3) EP2243960A3 (de)
KR (1) KR100947155B1 (de)
CN (1) CN100347452C (de)
AT (1) ATE510130T1 (de)
TW (1) TW200406547A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI308631B (en) * 2002-11-07 2009-04-11 Sanyo Electric Co Multistage compression type rotary compressor and cooling device
JP2005264780A (ja) * 2004-03-17 2005-09-29 Sanyo Electric Co Ltd 多段回転圧縮機
KR101234824B1 (ko) * 2005-01-18 2013-02-20 삼성전자주식회사 다단압축식 회전압축기
JP2006207532A (ja) * 2005-01-31 2006-08-10 Sanyo Electric Co Ltd ロータリコンプレッサ
JP4780971B2 (ja) * 2005-02-17 2011-09-28 三洋電機株式会社 ロータリコンプレッサ
KR100620040B1 (ko) * 2005-02-23 2006-09-11 엘지전자 주식회사 로터리 압축기의 용량 가변 장치 및 이를 적용한 에어콘
JP4902189B2 (ja) * 2005-12-16 2012-03-21 三洋電機株式会社 多段圧縮式ロータリコンプレッサ
DE102006010723A1 (de) * 2006-03-08 2007-09-13 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressoranordnung
JP2008106738A (ja) * 2006-09-29 2008-05-08 Fujitsu General Ltd ロータリ圧縮機およびヒートポンプシステム
US7866962B2 (en) * 2007-07-30 2011-01-11 Tecumseh Products Company Two-stage rotary compressor
KR101299370B1 (ko) * 2007-11-09 2013-08-22 엘지전자 주식회사 로터리식 2단 압축기
JP5286937B2 (ja) * 2008-05-27 2013-09-11 株式会社富士通ゼネラル ロータリ圧縮機
CN102022324A (zh) * 2009-09-18 2011-04-20 乐金电子(天津)电器有限公司 旋转式压缩机
CN102251964B (zh) * 2010-05-17 2013-03-13 广东美芝制冷设备有限公司 旋转压缩机
KR101679860B1 (ko) * 2010-07-14 2016-11-25 엘지전자 주식회사 압축기
US9267504B2 (en) 2010-08-30 2016-02-23 Hicor Technologies, Inc. Compressor with liquid injection cooling
EP2612035A2 (de) 2010-08-30 2013-07-10 Oscomp Systems Inc. Kompressor mit flüssigkeitseinspritzkühlung
CN103032981B (zh) * 2011-09-30 2015-03-25 复盛股份有限公司 冷媒压缩机组
DE102011122248A1 (de) * 2011-12-23 2013-06-27 Gea Bock Gmbh Verdichter
CN104114959B (zh) * 2011-12-23 2021-02-05 Gea博客有限公司 压缩机
CN103481016B (zh) * 2012-06-14 2016-03-30 珠海格力节能环保制冷技术研究中心有限公司 一种旋转式双缸压缩机泵体装配方法
WO2014100156A1 (en) 2012-12-18 2014-06-26 Emerson Climate Technologies, Inc. Reciprocating compressor with vapor injection system
JP6411228B2 (ja) * 2015-01-19 2018-10-24 アイシン・エィ・ダブリュ株式会社 伝達装置
JP6497581B2 (ja) * 2015-03-12 2019-04-10 パナソニックＩｐマネジメント株式会社 冷凍機ユニット
CN106762660B (zh) * 2017-02-27 2019-03-15 珠海格力节能环保制冷技术研究中心有限公司 一种压缩机主轴和具有其的压缩机
WO2019185121A1 (de) * 2018-03-27 2019-10-03 Bitzer Kühlmaschinenbau Gmbh Kälteanlage

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353347A (en) * 1941-09-13 1944-07-11 Gen Motors Corp Refrigerating apparatus
US2460814A (en) * 1945-05-09 1949-02-08 Ralph R Roemer Pump lubricating means
US3872682A (en) * 1974-03-18 1975-03-25 Northfield Freezing Systems In Closed system refrigeration or heat exchange
US3922114A (en) * 1974-07-19 1975-11-25 Dunham Bush Inc Hermetic rotary helical screw compressor with improved oil management
JPS5870089A (ja) * 1981-10-21 1983-04-26 Daikin Ind Ltd 圧縮機
JPS6088888A (ja) * 1983-10-20 1985-05-18 Mitsubishi Electric Corp 回転式圧縮機のストレ−ナ装置
JPS6325395A (ja) * 1987-05-21 1988-02-02 Matsushita Refrig Co ロ−タリ−型冷媒圧縮機の組立方法
JPH01247786A (ja) * 1988-03-29 1989-10-03 Toshiba Corp ２シリンダ型ロータリ式圧縮機
US5245836A (en) * 1989-01-09 1993-09-21 Sinvent As Method and device for high side pressure regulation in transcritical vapor compression cycle
JP2507047B2 (ja) 1989-05-09 1996-06-12 松下電器産業株式会社 ２段圧縮型回転圧縮機
JPH04124493A (ja) * 1990-09-14 1992-04-24 Sanyo Electric Co Ltd 回転式圧縮機
JP2674292B2 (ja) * 1990-09-18 1997-11-12 ダイキン工業株式会社 圧縮機の給油機構
JPH04166700A (ja) * 1990-10-31 1992-06-12 Sanyo Electric Co Ltd 極低温冷凍機用圧縮機の冷却装置
JP2768004B2 (ja) * 1990-11-21 1998-06-25 松下電器産業株式会社 ロータリ式多段気体圧縮機
JP2699724B2 (ja) * 1991-11-12 1998-01-19 松下電器産業株式会社 ２段気体圧縮機
JP2783372B2 (ja) * 1991-12-03 1998-08-06 松下冷機株式会社 ロータリーコンプレッサ
JPH07229498A (ja) * 1994-02-21 1995-08-29 Hitachi Ltd 回転式圧縮機
US5554015A (en) * 1995-05-23 1996-09-10 Tecumseh Products Company Refrigeration compressor thrust bearing assembly
US5931650A (en) * 1997-06-04 1999-08-03 Matsushita Electric Industrial Co., Ltd. Hermetic electric scroll compressor having a lubricating passage in the orbiting scroll
US6000917A (en) * 1997-11-06 1999-12-14 American Standard Inc. Control of suction gas and lubricant flow in a scroll compressor
TW477887B (en) * 1998-09-14 2002-03-01 Fujitsu General Ltd Air conditioner
JP2000283077A (ja) * 1999-03-26 2000-10-10 Sanyo Electric Co Ltd ロータリ圧縮機
EP1069313B1 (de) * 1999-07-16 2005-09-14 Man Turbo Ag Turboverdichter
JP3389539B2 (ja) * 1999-08-31 2003-03-24 三洋電機株式会社 内部中間圧型２段圧縮式ロータリコンプレッサ
JP2001153076A (ja) * 1999-09-09 2001-06-05 Sanyo Electric Co Ltd ２段圧縮式ロータリコンプレッサ
JP3490950B2 (ja) * 2000-03-15 2004-01-26 三洋電機株式会社 ２シリンダ型２段圧縮式ロータリーコンプレッサ
JP2001286112A (ja) * 2000-03-30 2001-10-12 Sanyo Electric Co Ltd 冷媒圧縮機
JP3370046B2 (ja) * 2000-03-30 2003-01-27 三洋電機株式会社 多段圧縮機
JP2003184771A (ja) * 2001-12-12 2003-07-03 Sanyo Electric Co Ltd 回転式圧縮機

Also Published As

Publication number Publication date
US20060056981A1 (en) 2006-03-16
US7600986B2 (en) 2009-10-13
US7520733B2 (en) 2009-04-21
EP1369590B1 (de) 2011-05-18
US20060056982A1 (en) 2006-03-16
EP2256346A3 (de) 2012-08-29
US20040001762A1 (en) 2004-01-01
EP2256346A2 (de) 2010-12-01
KR100947155B1 (ko) 2010-03-12
EP1369590A2 (de) 2003-12-10
KR20030094111A (ko) 2003-12-11
CN100347452C (zh) 2007-11-07
EP2243960A2 (de) 2010-10-27
EP1369590A3 (de) 2004-04-28
EP2243960A3 (de) 2013-05-08
CN1467377A (zh) 2004-01-14
US20060056983A1 (en) 2006-03-16
US20060204377A1 (en) 2006-09-14
TW200406547A (en) 2004-05-01
US7131821B2 (en) 2006-11-07
US7798787B2 (en) 2010-09-21

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