GB1256391A - Refrigeration system with multi-stage throttling - Google Patents

Refrigeration system with multi-stage throttling

Info

Publication number
GB1256391A
GB1256391A GB21251/69A GB2125169A GB1256391A GB 1256391 A GB1256391 A GB 1256391A GB 21251/69 A GB21251/69 A GB 21251/69A GB 2125169 A GB2125169 A GB 2125169A GB 1256391 A GB1256391 A GB 1256391A
Authority
GB
United Kingdom
Prior art keywords
refrigeration system
intermediate pressure
pressure inlet
stage throttling
vapour
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
GB21251/69A
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.)
Stal Refrigeration AB
Original Assignee
Stal Refrigeration AB
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 Stal Refrigeration AB filed Critical Stal Refrigeration AB
Publication of GB1256391A publication Critical patent/GB1256391A/en
Expired 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
    • 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
    • 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
    • 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
    • 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
    • F25B2400/23—Separators

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB21251/69A 1968-05-06 1969-04-25 Refrigeration system with multi-stage throttling Expired GB1256391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE06054/68A SE338576B (zh) 1968-05-06 1968-05-06

Publications (1)

Publication Number Publication Date
GB1256391A true GB1256391A (en) 1971-12-08

Family

ID=20267805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21251/69A Expired GB1256391A (en) 1968-05-06 1969-04-25 Refrigeration system with multi-stage throttling

Country Status (5)

Country Link
US (1) US3568466A (zh)
DE (1) DE6918573U (zh)
FR (1) FR1571880A (zh)
GB (1) GB1256391A (zh)
SE (1) SE338576B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004051089A1 (de) * 2002-12-03 2004-06-17 Bitzer Kühlmaschinenbau Gmbh Schraubenverdichter
CN100434711C (zh) * 2002-12-03 2008-11-19 比泽尔制冷设备有限公司 螺杆压缩机

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044388A1 (de) * 1969-12-22 1972-02-10 VEB Kühlautomat Berlin, χ 1197 Berlin Schraubenkompressor
GB1352698A (en) * 1970-04-16 1974-05-08 Hall Thermotank Int Ltd Refrigeration
JPS508526B1 (zh) * 1970-08-25 1975-04-04
US3945219A (en) * 1970-08-25 1976-03-23 Kabushiki Kaisha Maekawa Seisakusho Method of and apparatus for preventing overheating of electrical motors for compressors
JPS5031658B2 (zh) * 1971-12-07 1975-10-14
JPS517853B2 (zh) * 1972-09-26 1976-03-11
US3808835A (en) * 1972-11-03 1974-05-07 Calspan Corp Refrigerant handling apparatus employing roots type compressor
JPS5240467B2 (zh) * 1973-03-19 1977-10-12
US3827250A (en) * 1973-07-23 1974-08-06 Carrier Corp Economizer pressure regulating system
US3859814A (en) * 1973-10-03 1975-01-14 Vilter Manufacturing Corp Variable capacity rotary screw compressor
SE383915B (sv) * 1974-04-23 1976-04-05 Stal Refrigeration Ab Sett att komprimera gas i olika steg jemte en lamellkompressor for genomforande av settet
US4059968A (en) * 1974-06-28 1977-11-29 H. A. Phillips & Co. Refrigeration system
JPS5430212Y2 (zh) * 1974-08-02 1979-09-22
US4005949A (en) * 1974-10-10 1977-02-01 Vilter Manufacturing Corporation Variable capacity rotary screw compressor
SE395186B (sv) * 1974-10-11 1977-08-01 Granryd Eric Sett att forbettra kyleffekt och koldfaktor i en kylanleggning samt kylanleggning for att utova settet
JPS5833500Y2 (ja) * 1975-02-20 1983-07-26 株式会社東芝 空気調和装置
GB1564115A (en) * 1975-09-30 1980-04-02 Svenska Rotor Maskiner Ab Refrigerating system
JPS52101753A (en) * 1976-02-23 1977-08-26 Mayekawa Mfg Co Ltd Refrigerating apparatus
JPS5389059A (en) * 1977-01-12 1978-08-05 Toshiba Corp Air conditioner
US4211093A (en) * 1979-04-04 1980-07-08 Midolo Lawrence L Vapor cycle cooling system
JPS5752590Y2 (zh) * 1979-09-04 1982-11-15
JPS5835974Y2 (ja) * 1979-11-19 1983-08-13 株式会社 前川製作所 冷凍又は冷暖房装置
JPS6144122Y2 (zh) * 1980-03-07 1986-12-12
JPS565726Y2 (zh) * 1980-03-27 1981-02-06
FR2541437B1 (fr) * 1982-05-13 1985-08-23 Zimmern Bernard Economiseur centrifuge pour refrigeration
US4467621A (en) * 1982-09-22 1984-08-28 Brien Paul R O Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid
GB8528211D0 (en) * 1985-11-15 1985-12-18 Svenska Rotor Maskiner Ab Screw compressor
US4742694A (en) * 1987-04-17 1988-05-10 Nippondenso Co., Ltd. Refrigerant apparatus
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
JPH0420751A (ja) * 1990-05-15 1992-01-24 Toshiba Corp 冷凍サイクル
WO1995021359A1 (en) * 1994-02-03 1995-08-10 Svenska Rotor Maskiner Ab Refrigeration system and a method for regulating the refrigeration capacity of such a system
IT1266922B1 (it) * 1994-09-20 1997-01-21 Microtecnica Impianto frigorifero
US5722257A (en) * 1995-10-11 1998-03-03 Denso Corporation Compressor having refrigerant injection ports
DE10242139A1 (de) * 2002-09-03 2004-03-18 Bitzer Kühlmaschinenbau Gmbh Schraubenverdichter
US7677051B2 (en) * 2004-05-18 2010-03-16 Carrier Corporation Compressor lubrication
CN103925753A (zh) * 2013-01-16 2014-07-16 珠海格力电器股份有限公司 空调设备
JP6259309B2 (ja) * 2014-02-20 2018-01-10 日立ジョンソンコントロールズ空調株式会社 スクリュー流体機械及び冷凍サイクル装置
US10808969B2 (en) * 2015-08-11 2020-10-20 Carrier Corporation Screw compressor economizer plenum for pulsation reduction
CN105546893A (zh) * 2016-02-26 2016-05-04 珠海格力电器股份有限公司 闪发器、压缩机系统及空调器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004051089A1 (de) * 2002-12-03 2004-06-17 Bitzer Kühlmaschinenbau Gmbh Schraubenverdichter
US7201569B2 (en) 2002-12-03 2007-04-10 Bitzer Kuehlmaschinenbau Gmbh Screw compressor
CN100434711C (zh) * 2002-12-03 2008-11-19 比泽尔制冷设备有限公司 螺杆压缩机

Also Published As

Publication number Publication date
US3568466A (en) 1971-03-09
DE6918573U (de) 1969-09-24
SE338576B (zh) 1971-09-13
FR1571880A (zh) 1969-06-20

Similar Documents

Publication Publication Date Title
GB1256391A (en) Refrigeration system with multi-stage throttling
AU455400B2 (en) Two-stage refrigeration system having crankcase pressure regulation in high stage compressor
GB1108570A (en) Meshing screw compressor
ES409115A1 (es) Perfeccionamientos en compresores rotatorios de una sola etapa o de varias etapas.
GB1271476A (en) Improvements in or relating to refrigeration systems
DK120058B (da) Gasturbineanlæg med separat højtryks- og lavtrykskompressorsæt.
GB1331733A (en) Multi-stage absorption refrigeration system
GB1097622A (en) Multi-zone refrigeration system and apparatus
ES340005A1 (es) Un dispositivo de refrigeracion y un procedimiento para ha-cerlo funcionar.
GB1352698A (en) Refrigeration
GB1194006A (en) Improvements in Rotary-Piston Compressors
SE313065B (zh)
DK136741B (da) Anlæg med en varmeudviklende del, fortrinsvis en kølekompressor, som holdes kølet med et kølemedium.
ES8308627A1 (es) "instalacion frigorifica de compresores multiples".
NL142491B (nl) Compressorkoelinstallatie met een verdamper, waarin vloeibaar koelmiddel van onder af wordt ingespoten.
SE7404976L (sv) Skruvkompressor.
GB1360754A (en) Regulator for centralized refrigerating system
GB1205696A (en) Refrigerating system
ES377129A1 (es) Una instalacion frigorifica.
GB1121263A (en) Method of returning oil to refrigerating compressors
AU438230B2 (en) Refrigeration system having a screw compressor withan auxiliary high pressure suction inlet
GB1174370A (en) A Compressor Unit.
GORSHKOV et al. Plasma production in a discharge compressed against a wall by a magnetic field(Discharge plasmas produced from solid materials at low pressures and temperatures and compressed against wall by magnetic field)
GB1157175A (en) Improvements relating to Refrigerating Systems
CA795183A (en) Helically threaded rotors for screw type pumps, compressors and similar devices