EP2530324A3 - Rotary compressor - Google Patents

Rotary compressor Download PDF

Info

Publication number
EP2530324A3
EP2530324A3 EP12170385.4A EP12170385A EP2530324A3 EP 2530324 A3 EP2530324 A3 EP 2530324A3 EP 12170385 A EP12170385 A EP 12170385A EP 2530324 A3 EP2530324 A3 EP 2530324A3
Authority
EP
European Patent Office
Prior art keywords
copper tube
injection
rotary compressor
injection copper
horizontal hole
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.)
Granted
Application number
EP12170385.4A
Other languages
German (de)
French (fr)
Other versions
EP2530324B1 (en
EP2530324A2 (en
Inventor
Taku Morishita
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.)
Fujitsu General Ltd
Original Assignee
Fujitsu General Ltd
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 Fujitsu General Ltd filed Critical Fujitsu General Ltd
Publication of EP2530324A2 publication Critical patent/EP2530324A2/en
Publication of EP2530324A3 publication Critical patent/EP2530324A3/en
Application granted granted Critical
Publication of EP2530324B1 publication Critical patent/EP2530324B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F04C18/3562—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
    • F04C18/3564—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • 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
    • F04C2240/80—Other components
    • F04C2240/805—Fastening means, e.g. bolts
    • 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
    • F04C2240/80—Other components
    • F04C2240/806—Pipes for fluids; Fittings therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

According to one embodiment, a rotary compressor sucks in refrigerant gas from the low pressure side of a refrigeration cycle and discharges compressed refrigerant gas to the high pressure side. The rotary compressor includes a first compressing unit (12S) and a second compressing unit (12T) arranged one on top of another with a partition board (140) therebetween. The partition board (140) is provided with a vertical hole (141) and a horizontal hole (143). After the front end (144a) of an injection copper tube (144) to inject a refrigerant liquid is loose fit in the horizontal hole (143), an injection liner (145) having an outer diameter larger than the inner diameter of the injection copper tube (144) is inserted into the injection copper tube (144) from the back end (144b) and is pressed up to the front end (144a) to increase the diameter of the front end (144a) of the injection copper tube (144) such that the injection copper tube (144) is tight fit in the horizontal hole (143).
EP12170385.4A 2011-06-03 2012-06-01 Rotary compressor Active EP2530324B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011124892A JP2012251485A (en) 2011-06-03 2011-06-03 Rotary compressor

Publications (3)

Publication Number Publication Date
EP2530324A2 EP2530324A2 (en) 2012-12-05
EP2530324A3 true EP2530324A3 (en) 2017-04-12
EP2530324B1 EP2530324B1 (en) 2020-07-15

Family

ID=46197089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12170385.4A Active EP2530324B1 (en) 2011-06-03 2012-06-01 Rotary compressor

Country Status (5)

Country Link
US (1) US20120308425A1 (en)
EP (1) EP2530324B1 (en)
JP (1) JP2012251485A (en)
CN (1) CN102808768B (en)
AU (1) AU2012202072B9 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9322405B2 (en) 2013-10-29 2016-04-26 Emerson Climate Technologies, Inc. Rotary compressor with vapor injection system
JP6051936B2 (en) * 2013-02-26 2016-12-27 株式会社富士通ゼネラル Rotary compressor and assembly method thereof
CN104005958B (en) * 2013-02-26 2017-06-20 上海日立电器有限公司 The anti-injection gas blowby structure of two-spool compressor intermediate plate
WO2014144870A2 (en) * 2013-03-15 2014-09-18 Abbott Laboratories Light-blocking system for a diagnostic analyzer
JP5786920B2 (en) * 2013-10-29 2015-09-30 ダイキン工業株式会社 Compressor and manufacturing method of compressor
CN105402128A (en) * 2014-09-12 2016-03-16 上海日立电器有限公司 Rotary compressor cylinder structure and air-conditioning system
CN105156299B (en) * 2015-08-18 2018-08-10 珠海格力电器股份有限公司 Compressor and its assembly technology
CN105020135A (en) * 2015-08-18 2015-11-04 武汉凌达压缩机有限公司 Refrigerating system and compressor thereof
JP6578932B2 (en) 2015-12-21 2019-09-25 株式会社富士通ゼネラル Rotary compressor
JP6460173B1 (en) * 2017-07-27 2019-01-30 株式会社富士通ゼネラル Rotary compressor
CN110469510B (en) * 2018-05-11 2021-11-09 上海海立电器有限公司 Compressor
KR102449302B1 (en) 2018-08-07 2022-09-30 미쓰비시덴키 가부시키가이샤 Rotary compressors and refrigeration cycle units
JP7206506B2 (en) 2020-10-30 2023-01-18 ダイキン工業株式会社 rotary compressor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149493A (en) * 1982-02-26 1983-09-05 ダイキン工業株式会社 Method of connecting piping in compressor
JPS58220991A (en) * 1982-06-15 1983-12-22 Sanyo Electric Co Ltd Rotary compressor
JP2001263282A (en) * 2000-03-15 2001-09-26 Sanyo Electric Co Ltd Pipe connecting device for hermetically closed rotary compressor
JP2004324652A (en) * 2004-08-23 2004-11-18 Daikin Ind Ltd Rotary compressor
EP2246570A1 (en) * 2008-02-04 2010-11-03 Daikin Industries, Ltd. Fluid machine

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US3871800A (en) * 1974-03-11 1975-03-18 Gen Electric Hermetically sealed compressor suction tube assembly
JPS61265377A (en) * 1985-05-16 1986-11-25 Mitsubishi Electric Corp Scroll compressor
US5293679A (en) * 1993-04-07 1994-03-15 Hsu Tzu S Method of connecting two pipes
JPH07127575A (en) * 1993-10-29 1995-05-16 Sanyo Electric Co Ltd Cooling equipment for closed type rotary compressor
US5542831A (en) * 1995-05-04 1996-08-06 Carrier Corporation Twin cylinder rotary compressor
KR100270871B1 (en) * 1998-02-24 2000-11-01 윤종용 Rotary compressor
US6405762B1 (en) * 2000-06-16 2002-06-18 Cooper Cameron Corporation Composite pipe assembly and method for preparing the same
JP4039921B2 (en) * 2002-09-11 2008-01-30 三洋電機株式会社 Transcritical refrigerant cycle equipment
JP4278402B2 (en) * 2003-02-19 2009-06-17 三洋電機株式会社 Refrigerant cycle equipment
JP4766872B2 (en) * 2004-12-13 2011-09-07 三洋電機株式会社 Multi-cylinder rotary compressor
CN2777247Y (en) * 2004-12-29 2006-05-03 上海日立电器有限公司 Single air sucking structure for double-cylinder rolling rotor compressor
JP4470914B2 (en) * 2006-06-12 2010-06-02 株式会社デンソー 2-stage compressor
MY151535A (en) * 2007-01-30 2014-05-30 Ysn Imp S Inc Compressed air regulator apparatus situated in canister and method for regulating compressed air therof
KR101328816B1 (en) * 2007-07-31 2013-11-13 엘지전자 주식회사 Two stage rotary compressor
KR101381085B1 (en) * 2007-11-13 2014-04-10 엘지전자 주식회사 2 stage rotary compressor
CN101173664A (en) * 2007-11-14 2008-05-07 美的集团有限公司 Second-order compression rotary compressor and control method and application thereof
KR101409876B1 (en) * 2008-08-22 2014-06-20 엘지전자 주식회사 Variable capacity type rotary compressor and refrigerator having the same and method for driving thereof
JP2010059859A (en) * 2008-09-03 2010-03-18 Fujitsu General Ltd Injectible two-stage compression rotary compressor
JP5719685B2 (en) * 2011-05-17 2015-05-20 日立アプライアンス株式会社 Helium hermetic scroll compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149493A (en) * 1982-02-26 1983-09-05 ダイキン工業株式会社 Method of connecting piping in compressor
JPS58220991A (en) * 1982-06-15 1983-12-22 Sanyo Electric Co Ltd Rotary compressor
JP2001263282A (en) * 2000-03-15 2001-09-26 Sanyo Electric Co Ltd Pipe connecting device for hermetically closed rotary compressor
JP2004324652A (en) * 2004-08-23 2004-11-18 Daikin Ind Ltd Rotary compressor
EP2246570A1 (en) * 2008-02-04 2010-11-03 Daikin Industries, Ltd. Fluid machine

Also Published As

Publication number Publication date
JP2012251485A (en) 2012-12-20
US20120308425A1 (en) 2012-12-06
EP2530324B1 (en) 2020-07-15
EP2530324A2 (en) 2012-12-05
CN102808768A (en) 2012-12-05
AU2012202072B9 (en) 2014-09-25
AU2012202072A1 (en) 2012-12-20
AU2012202072B2 (en) 2014-08-14
CN102808768B (en) 2015-05-13

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