GB1459721A - Liquid refrigerant injection system for hermetic electric motor drivem helical screw compressor - Google Patents

Liquid refrigerant injection system for hermetic electric motor drivem helical screw compressor

Info

Publication number
GB1459721A
GB1459721A GB808875A GB808875A GB1459721A GB 1459721 A GB1459721 A GB 1459721A GB 808875 A GB808875 A GB 808875A GB 808875 A GB808875 A GB 808875A GB 1459721 A GB1459721 A GB 1459721A
Authority
GB
United Kingdom
Prior art keywords
liquid refrigerant
compressor
motor housing
housing
motor
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
Application number
GB808875A
Other languages
English (en)
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.)
Dunham Bush Inc
Original Assignee
Dunham Bush Inc
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 Dunham Bush Inc filed Critical Dunham Bush Inc
Publication of GB1459721A publication Critical patent/GB1459721A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • F25B31/008—Cooling of compressor or motor by injecting a liquid
    • 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
    • F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13—Economisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
GB808875A 1974-05-30 1975-02-26 Liquid refrigerant injection system for hermetic electric motor drivem helical screw compressor Expired GB1459721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474629A US3913346A (en) 1974-05-30 1974-05-30 Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor

Publications (1)

Publication Number Publication Date
GB1459721A true GB1459721A (en) 1976-12-31

Family

ID=23884363

Family Applications (1)

Application Number Title Priority Date Filing Date
GB808875A Expired GB1459721A (en) 1974-05-30 1975-02-26 Liquid refrigerant injection system for hermetic electric motor drivem helical screw compressor

Country Status (10)

Country Link
US (1) US3913346A (ru)
JP (1) JPS5755111B2 (ru)
BR (1) BR7501202A (ru)
CA (1) CA995475A (ru)
DE (1) DE2508417C2 (ru)
FR (1) FR2273242B1 (ru)
GB (1) GB1459721A (ru)
IT (1) IT1030237B (ru)
SE (1) SE409133B (ru)
ZA (1) ZA75796B (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173957A (en) * 1985-03-04 1986-10-22 American Standard Inc Compressor motor housing as an economizer and motor cooler in a refrigeration system
CN110207426A (zh) * 2019-07-03 2019-09-06 天津飞旋科技有限公司 一种用于制冷压缩机的混合冷却结构

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548663A (en) * 1975-06-24 1979-07-18 Maekawa Seisakusho Kk Refrigerating apparatus
GB1564115A (en) * 1975-09-30 1980-04-02 Svenska Rotor Maskiner Ab Refrigerating system
US4058988A (en) * 1976-01-29 1977-11-22 Dunham-Bush, Inc. Heat pump system with high efficiency reversible helical screw rotary compressor
JPS5481513A (en) * 1977-12-09 1979-06-29 Hitachi Ltd Scroll compressor
JPS54163416A (en) * 1978-06-14 1979-12-26 Hitachi Ltd Screw compressor
US4335582A (en) * 1981-02-20 1982-06-22 Dunham-Bush, Inc. Unloading control system for helical screw compressor refrigeration system
US4589826A (en) * 1983-04-14 1986-05-20 Bernard Zimmern Method of lubricating bearings of a machine handling liquefiable gas
FR2544459B1 (fr) * 1983-04-14 1987-04-30 Zimmern Bernard Procede pour lubrifier les roulements d'un compresseur, et compresseur frigorifique utilisant ce procede
US4515540A (en) * 1983-11-22 1985-05-07 Frick Company Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio
US4553911A (en) * 1983-11-22 1985-11-19 Frick Company Method of coding the oil in screw compressors equipped with automatic variable volume ratio
GB8511729D0 (en) * 1985-05-09 1985-06-19 Svenska Rotor Maskiner Ab Screw rotor compressor
FR2618494A1 (fr) * 1987-07-21 1989-01-27 Zimmern Bernard Compresseur de refrigeration hermetique avec economiseur
FR2620205A1 (fr) * 1987-09-04 1989-03-10 Zimmern Bernard Compresseur hermetique pour refrigeration avec moteur refroidi par gaz d'economiseur
SE461346B (sv) * 1988-06-17 1990-02-05 Svenska Rotor Maskiner Ab Roterande kompressor av foertraengningstyp samt en kylanlaeggning daer en kompressor av ovannaemnda typ ingaar
FR2637655B1 (fr) * 1988-10-07 1994-01-28 Alcatel Cit Machine rotative du type pompe a vis
KR940000217B1 (ko) * 1989-06-05 1994-01-12 가부시기가이샤 히다찌 세이사꾸쇼 스크류 압축장치 및 그 제어장치
US4974427A (en) * 1989-10-17 1990-12-04 Copeland Corporation Compressor system with demand cooling
US5329788A (en) * 1992-07-13 1994-07-19 Copeland Corporation Scroll compressor with liquid injection
SE9301662L (sv) * 1993-05-14 1994-07-04 Svenska Rotor Maskiner Ab Skruvkompressor med tätningsorgan
US5826434A (en) * 1995-11-09 1998-10-27 Novelaire Technologies, L.L.C. High efficiency outdoor air conditioning system
US5791153A (en) * 1995-11-09 1998-08-11 La Roche Industries Inc. High efficiency air conditioning system with humidity control
US6032472A (en) * 1995-12-06 2000-03-07 Carrier Corporation Motor cooling in a refrigeration system
WO1998025331A1 (de) * 1996-12-06 1998-06-11 Voith Turbo Gmbh & Co. Kg Verfahren zur kühlung einer wechselstrommaschine, insbesondere transversalflussmaschine und wechselstrommaschine, insbesondere transversalflussmaschine
JP2000291557A (ja) * 1999-04-07 2000-10-17 Sanden Corp 電動式圧縮機
JP2002070743A (ja) 2000-08-29 2002-03-08 Sanden Corp 冷媒圧縮用電動式圧縮機
JP3976512B2 (ja) 2000-09-29 2007-09-19 サンデン株式会社 冷媒圧縮用電動式圧縮機
JP2002199773A (ja) 2000-12-27 2002-07-12 Sanden Corp 圧縮機モータ駆動制御方法及び圧縮機駆動用インバータ装置
US6718781B2 (en) 2001-07-11 2004-04-13 Thermo King Corporation Refrigeration unit apparatus and method
JP2003148343A (ja) 2001-11-08 2003-05-21 Sanden Corp 電動圧縮機
US6860730B2 (en) * 2002-05-20 2005-03-01 Driltech Mission, Llc Methods and apparatus for unloading a screw compressor
TWI315388B (en) * 2002-11-28 2009-10-01 Ajinomoto Kk Drum dryer
EP1567770B1 (de) * 2002-12-03 2017-01-18 BITZER Kühlmaschinenbau GmbH Schraubenverdichter
JP2004270614A (ja) * 2003-03-11 2004-09-30 Sanden Corp 電動圧縮機
US7682084B2 (en) * 2003-07-18 2010-03-23 Kobe Steel, Ltd. Bearing and screw compressor
WO2005033519A1 (en) * 2003-10-01 2005-04-14 City University Plural screw positive displacement machines
WO2005042979A1 (ja) * 2003-10-21 2005-05-12 Nabtesco Corporation 回転式ドライ真空ポンプ
US7181928B2 (en) * 2004-06-29 2007-02-27 York International Corporation System and method for cooling a compressor motor
US8021127B2 (en) 2004-06-29 2011-09-20 Johnson Controls Technology Company System and method for cooling a compressor motor
US7121814B2 (en) * 2004-09-30 2006-10-17 Carrier Corporation Compressor sound suppression
US7156624B2 (en) * 2004-12-09 2007-01-02 Carrier Corporation Compressor sound suppression
WO2006085866A1 (en) * 2005-02-07 2006-08-17 Carrier Corporation Compressor slide valve lubrication
US7204099B2 (en) * 2005-06-13 2007-04-17 Carrier Corporation Refrigerant system with vapor injection and liquid injection through separate passages
US8037710B2 (en) 2005-08-22 2011-10-18 Emerson Climate Technologies, Inc. Compressor with vapor injection system
US20070251256A1 (en) * 2006-03-20 2007-11-01 Pham Hung M Flash tank design and control for heat pumps
US20070241627A1 (en) * 2006-04-12 2007-10-18 Sullair Corporation Lubricant cooled integrated motor/compressor design
US8181478B2 (en) * 2006-10-02 2012-05-22 Emerson Climate Technologies, Inc. Refrigeration system
US8769982B2 (en) * 2006-10-02 2014-07-08 Emerson Climate Technologies, Inc. Injection system and method for refrigeration system compressor
US7647790B2 (en) * 2006-10-02 2010-01-19 Emerson Climate Technologies, Inc. Injection system and method for refrigeration system compressor
JP4183021B1 (ja) * 2007-06-11 2008-11-19 ダイキン工業株式会社 圧縮機および冷凍装置
US9353765B2 (en) * 2008-02-20 2016-05-31 Trane International Inc. Centrifugal compressor assembly and method
US7975506B2 (en) 2008-02-20 2011-07-12 Trane International, Inc. Coaxial economizer assembly and method
US8037713B2 (en) 2008-02-20 2011-10-18 Trane International, Inc. Centrifugal compressor assembly and method
US8539785B2 (en) 2009-02-18 2013-09-24 Emerson Climate Technologies, Inc. Condensing unit having fluid injection
ITPR20090054A1 (it) * 2009-07-10 2011-01-11 Robuschi S P A Compressore a vite a secco
US9689281B2 (en) * 2011-12-22 2017-06-27 Nanjing Tica Air-Conditioning Co., Ltd. Hermetic motor cooling for high temperature organic Rankine cycle system
EP2795204B1 (de) * 2011-12-23 2021-03-10 GEA Bock GmbH Verdichter
JP5837997B2 (ja) * 2012-02-07 2015-12-24 ジョンソン コントロールズ テクノロジー カンパニーＪｏｈｎｓｏｎ Ｃｏｎｔｒｏｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏｍｐａｎｙ 気密式のモータ冷却および制御
DE102012102404A1 (de) 2012-03-21 2013-09-26 Bitzer Kühlmaschinenbau Gmbh Kälteanlage
US9457908B2 (en) 2012-09-20 2016-10-04 Hamilton Sundstrand Corporation Self-cooled motor driven compressor
CN104377851B (zh) 2013-08-13 2016-12-28 珠海格力电器股份有限公司 永磁电机、制冷压缩机及空调机组
CN103532308B (zh) * 2013-10-30 2016-03-23 吴家伟 一种制冷剂液体冷却电机的半封螺杆压缩机
CN104467288A (zh) * 2014-12-31 2015-03-25 烟台冰轮股份有限公司 一种压缩机配用电机的半封闭式油冷系统
JP6453682B2 (ja) * 2015-03-19 2019-01-16 三菱重工サーマルシステムズ株式会社 圧縮機駆動用モータおよびその冷却方法
WO2017075555A1 (en) 2015-10-30 2017-05-04 Gardner Denver, Inc. Complex screw rotors
WO2017136765A1 (en) * 2016-02-04 2017-08-10 Continuus Pharmaceuticals, Inc. Continuous drum dryer and methods of use thereof
CN107546890B (zh) * 2016-06-28 2021-07-16 特灵国际有限公司 谐波分流的电机、方法、ac电机系统及可变速驱动系统
MX2021008139A (es) * 2019-01-03 2021-11-12 Aspen Compressor Llc Compresores de alto rendimiento y sistemas de compresion de vapor.
CN110017631B (zh) * 2019-04-03 2021-08-03 庆安集团有限公司 一种用于压缩机电机的冷却装置及其制冷系统
US11466902B2 (en) * 2019-04-16 2022-10-11 Purdue Research Foundation Vapor compression refrigeration system
US20210067023A1 (en) * 2019-08-30 2021-03-04 Apple Inc. Haptic actuator including shaft coupled field member and related methods
DK3879207T3 (da) * 2020-03-10 2023-11-20 Trane Int Inc Køleapparater og fremgangsmåde til betjening heraf
DE102022212415A1 (de) * 2022-11-21 2024-05-23 Magna powertrain gmbh & co kg Kühlsystem zur Kühlung einer elektrischen Maschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793506A (en) * 1955-03-28 1957-05-28 Trane Co Refrigerating apparatus with motor driven centrifugal compressor
US2921446A (en) * 1956-11-02 1960-01-19 Carrier Corp Refrigeration machine
US3022638A (en) * 1959-05-06 1962-02-27 Carrier Corp Controls for refrigeration apparatus
US3218825A (en) * 1962-08-14 1965-11-23 Trane Co Refrigerating apparatus including means for cooling compressor motor
US3165905A (en) * 1962-08-15 1965-01-19 Trane Co Refrigerating machine including an economizer
US3577742A (en) * 1969-06-13 1971-05-04 Vilter Manufacturing Corp Refrigeration system having a screw compressor with an auxiliary high pressure suction inlet
GB1384397A (en) * 1971-12-28 1975-02-19 Svenska Rotor Maskiner Ab Refrigeration plants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173957A (en) * 1985-03-04 1986-10-22 American Standard Inc Compressor motor housing as an economizer and motor cooler in a refrigeration system
CN110207426A (zh) * 2019-07-03 2019-09-06 天津飞旋科技有限公司 一种用于制冷压缩机的混合冷却结构

Also Published As

Publication number Publication date
FR2273242B1 (ru) 1979-02-09
IT1030237B (it) 1979-03-30
DE2508417C2 (de) 1986-06-05
SE7502284L (sv) 1975-12-01
FR2273242A1 (ru) 1975-12-26
BR7501202A (pt) 1976-04-20
SE409133B (sv) 1979-07-30
CA995475A (en) 1976-08-24
US3913346A (en) 1975-10-21
AU7831075A (en) 1976-08-19
JPS50153344A (ru) 1975-12-10
ZA75796B (en) 1976-01-28
JPS5755111B2 (ru) 1982-11-22
DE2508417A1 (de) 1975-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee