BR7306788D0 - REFRIGERATION SYSTEM IMPROVEMENTS - Google Patents

REFRIGERATION SYSTEM IMPROVEMENTS

Info

Publication number
BR7306788D0
BR7306788D0 BR6788/73A BR678873A BR7306788D0 BR 7306788 D0 BR7306788 D0 BR 7306788D0 BR 6788/73 A BR6788/73 A BR 6788/73A BR 678873 A BR678873 A BR 678873A BR 7306788 D0 BR7306788 D0 BR 7306788D0
Authority
BR
Brazil
Prior art keywords
refrigeration system
system improvements
refrigeration
Prior art date
Application number
BR6788/73A
Other languages
Portuguese (pt)
Inventor
H Moody
C Hamilton
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 BR7306788D0 publication Critical patent/BR7306788D0/en

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
    • 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
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • F25B31/008—Cooling of compressor or motor by injecting a liquid
BR6788/73A 1972-09-01 1973-08-31 REFRIGERATION SYSTEM IMPROVEMENTS BR7306788D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28569572A 1972-09-01 1972-09-01

Publications (1)

Publication Number Publication Date
BR7306788D0 true BR7306788D0 (en) 1974-08-29

Family

ID=23095336

Family Applications (1)

Application Number Title Priority Date Filing Date
BR6788/73A BR7306788D0 (en) 1972-09-01 1973-08-31 REFRIGERATION SYSTEM IMPROVEMENTS

Country Status (8)

Country Link
US (1) US3795117A (en)
JP (1) JPS4964950A (en)
AU (1) AU5979173A (en)
BR (1) BR7306788D0 (en)
DE (1) DE2343334A1 (en)
FR (1) FR2198104B1 (en)
IT (1) IT999535B (en)
ZA (1) ZA735392B (en)

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CS189674B2 (en) * 1973-11-19 1979-04-30 Hall Thermotank Prod Ltd Method of and apparatus for compressing gas or steam and for lubricating the compressing machine
US3885402A (en) * 1974-01-14 1975-05-27 Dunham Bush Inc Optimized point of injection of liquid refrigerant in a helical screw rotary compressor for refrigeration use
US3936239A (en) * 1974-07-26 1976-02-03 Dunham-Bush, Inc. Undercompression and overcompression free helical screw rotary compressor
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JPS5930919B2 (en) * 1974-12-24 1984-07-30 北越工業 （株） Liquid volume and gas capacity adjustment device for liquid-cooled rotary compressors
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GB1548663A (en) * 1975-06-24 1979-07-18 Maekawa Seisakusho Kk Refrigerating apparatus
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US4058988A (en) * 1976-01-29 1977-11-22 Dunham-Bush, Inc. Heat pump system with high efficiency reversible helical screw rotary compressor
JPS5396549A (en) * 1977-02-04 1978-08-23 Hitachi Ltd Screw refrigerator
JPS5494149A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Freezer
US4291547A (en) * 1978-04-10 1981-09-29 Hughes Aircraft Company Screw compressor-expander cryogenic system
US4328684A (en) * 1978-04-10 1982-05-11 Hughes Aircraft Company Screw compressor-expander cryogenic system with magnetic coupling
US4311021A (en) * 1978-04-10 1982-01-19 Hughes Aircraft Company Screw compressor-expander cryogenic system with mist lubrication
SE427493B (en) * 1978-07-11 1983-04-11 Atlas Copco Ab CONTROL DEVICE FOR SCIENT COMPRESSOR
JPS56117056A (en) * 1980-02-22 1981-09-14 Hitachi Ltd Refrigerating cycle
US4275570A (en) * 1980-06-16 1981-06-30 Vilter Manufacturing Corporation Oil cooling means for refrigeration screw compressor
US4375156A (en) * 1980-10-03 1983-03-01 Dunham-Bush, Inc. Closed loop compressed gas system with oil mist lubricated screw compressor
FR2544522B1 (en) * 1983-04-14 1986-08-14 Zimmern Bernard PRESSURE REPORT SENSOR
US4553911A (en) * 1983-11-22 1985-11-19 Frick Company Method of coding the oil in screw compressors equipped with automatic variable volume ratio
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
DE3427117A1 (en) * 1984-07-23 1986-02-20 Aerzener Maschinenfabrik Gmbh, 3251 Aerzen METHOD FOR COOLING A SCREW COMPRESSOR AND SCREW COMPRESSOR FOR CARRYING OUT THE METHOD
US4573324A (en) * 1985-03-04 1986-03-04 American Standard Inc. Compressor motor housing as an economizer and motor cooler in a refrigeration system
SE447757B (en) * 1985-03-22 1986-12-08 Svenska Rotor Maskiner Ab PROCEDURE FOR OIL LINING OF COOLING PLANT FOR COOLING, SEALING AND LUBRICATING A SCREW COMPRESSOR INCLUDED IN THE PLANT
GB8511729D0 (en) * 1985-05-09 1985-06-19 Svenska Rotor Maskiner Ab Screw rotor compressor
US4694660A (en) * 1986-05-27 1987-09-22 Tecumseh Products Company Refrigeration system including capacity modulation
US4739632A (en) * 1986-08-20 1988-04-26 Tecumseh Products Company Liquid injection cooling arrangement for a rotary compressor
KR940000217B1 (en) * 1989-06-05 1994-01-12 가부시기가이샤 히다찌 세이사꾸쇼 Screw compressor
US4974427A (en) * 1989-10-17 1990-12-04 Copeland Corporation Compressor system with demand cooling
US5148684A (en) * 1991-04-12 1992-09-22 Sporlan Valve Company Injection valve for a refrigeration system
US5924855A (en) * 1995-06-21 1999-07-20 Sihi Industry Consult Gmbh Screw compressor with cooling
JPH09196478A (en) * 1996-01-23 1997-07-31 Nippon Soken Inc Refrigerating cycle
DE20015744U1 (en) * 2000-09-12 2001-01-25 Rietschle Werner Gmbh & Co Kg Pump with water feed
AU2002365681A1 (en) * 2001-12-04 2003-06-17 Kag Holding A/S Screw pump for transporting emulsions susceptible to mechanical handling
US6672102B1 (en) * 2002-11-27 2004-01-06 Carrier Corporation Oil recovery and lubrication system for screw compressor refrigeration machine
WO2004051089A1 (en) * 2002-12-03 2004-06-17 Bitzer Kühlmaschinenbau Gmbh Screw compressor
US20070251256A1 (en) * 2006-03-20 2007-11-01 Pham Hung M Flash tank design and control for heat pumps
US7647790B2 (en) 2006-10-02 2010-01-19 Emerson Climate Technologies, Inc. Injection system and method for refrigeration system compressor
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
US7841208B2 (en) * 2007-08-09 2010-11-30 Refrigerant Technologies, Inc. Arizona Corporation Method and system for improving the efficiency of a refrigeration system
US7762789B2 (en) * 2007-11-12 2010-07-27 Ingersoll-Rand Company Compressor with flow control sensor
US8539785B2 (en) 2009-02-18 2013-09-24 Emerson Climate Technologies, Inc. Condensing unit having fluid injection
JP5998140B2 (en) 2010-08-30 2016-09-28 ハイコア テクノロジーズ インク．Ｈｉｃｏｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ，Ｉｎｃ． Compressor for cooling by liquid injection
US8794941B2 (en) * 2010-08-30 2014-08-05 Oscomp Systems Inc. Compressor with liquid injection cooling
US9267504B2 (en) 2010-08-30 2016-02-23 Hicor Technologies, Inc. Compressor with liquid injection cooling
DE102011053256A1 (en) * 2011-09-05 2013-03-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Refrigeration circuit for use in a motor vehicle
WO2013069043A1 (en) * 2011-11-07 2013-05-16 三菱電機株式会社 Air-conditioning apparatus
US8950201B2 (en) 2012-03-30 2015-02-10 Trane International Inc. System and method for cooling power electronics using heat sinks
CN102809234B (en) * 2012-08-14 2014-08-27 张家港市金腾化工机械制造有限公司 Simple refrigerating unit
WO2016160856A2 (en) 2015-03-30 2016-10-06 Hicor Technologies, Inc. Compressor with liquid injection cooling
JP6606194B2 (en) * 2015-12-25 2019-11-13 株式会社日立製作所 air compressor
KR101926044B1 (en) * 2017-08-11 2018-12-06 한국에너지기술연구원 Single-stage compressor and energy system using the same
US11118585B2 (en) 2017-10-04 2021-09-14 Ingersoll-Rand Industrial U.S., Inc. Screw compressor with oil injection at multiple volume ratios
JP6961482B2 (en) * 2017-12-27 2021-11-05 三菱重工コンプレッサ株式会社 Centrifugal compressor and manufacturing method of centrifugal compressor
US10941775B2 (en) 2017-12-28 2021-03-09 Ingersoll-Rand Industrial U.S., Inc. Compressor stop valve and associated system
US11215182B2 (en) 2018-03-01 2022-01-04 Ingersoll-Rand Industrial U.S., Inc. Multi-stage compressor having interstage lubricant injection via an injection rod

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958198C (en) * 1955-03-04 1957-02-14 Bergedorfer Eisenwerk Ag Rotating compression or expansion machine for gaseous bodies
US2776542A (en) * 1955-07-07 1957-01-08 Gen Electric Motor cooling means for hermetically sealed refrigerant compressor unit
US3129877A (en) * 1956-05-17 1964-04-21 Svenska Rotor Maskiner Ab Rotary piston, positive displacement compressor
US3054273A (en) * 1959-12-28 1962-09-18 Carrier Corp Thermal expansion valve
DE1401496A1 (en) * 1962-07-12 1968-11-28 Danfoss As Fa Cooling system
US3250460A (en) * 1964-06-04 1966-05-10 Borg Warner Compressor with liquid refrigerant injection means
US3210958A (en) * 1964-09-10 1965-10-12 Gen Electric Heat pump comprising rotary compressor including injection cooling arrangement
GB1171291A (en) * 1965-10-12 1969-11-19 Svenska Rotor Maskiner Ab Screw Rotor Machines
US3379033A (en) * 1966-08-10 1968-04-23 Vilter Manufacturing Corp Refrigeration system and apparatus
US3396550A (en) * 1966-11-01 1968-08-13 Lennox Ind Inc Arrangement for reducing compressor discharge gas temperature
US3388559A (en) * 1966-12-13 1968-06-18 Westinghouse Electric Corp Electric motors cooled with refrigerants
DE2044388A1 (en) * 1969-12-22 1972-02-10 VEB Kühlautomat Berlin, χ 1197 Berlin Screw compressor
SE360168B (en) * 1971-12-22 1973-09-17 Stal Refrigeration Ab

Also Published As

Publication number Publication date
JPS4964950A (en) 1974-06-24
DE2343334A1 (en) 1974-03-14
FR2198104A1 (en) 1974-03-29
FR2198104B1 (en) 1976-11-19
ZA735392B (en) 1974-07-31
US3795117A (en) 1974-03-05
IT999535B (en) 1976-03-10
AU5979173A (en) 1975-03-06

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