GB1444308A - Variable capacity rotary screw compressor - Google Patents

Variable capacity rotary screw compressor

Info

Publication number
GB1444308A
GB1444308A GB4380174A GB4380174A GB1444308A GB 1444308 A GB1444308 A GB 1444308A GB 4380174 A GB4380174 A GB 4380174A GB 4380174 A GB4380174 A GB 4380174A GB 1444308 A GB1444308 A GB 1444308A
Authority
GB
United Kingdom
Prior art keywords
valve
inlet
pin
intermediate pressure
oct
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
GB4380174A
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.)
Copeland Industrial LP
Original Assignee
Vilter Manufacturing LLC
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 Vilter Manufacturing LLC filed Critical Vilter Manufacturing LLC
Publication of GB1444308A publication Critical patent/GB1444308A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
GB4380174A 1973-10-03 1974-10-01 Variable capacity rotary screw compressor Expired GB1444308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US403195A US3859814A (en) 1973-10-03 1973-10-03 Variable capacity rotary screw compressor

Publications (1)

Publication Number Publication Date
GB1444308A true GB1444308A (en) 1976-07-28

Family

ID=23594831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4380174A Expired GB1444308A (en) 1973-10-03 1974-10-01 Variable capacity rotary screw compressor

Country Status (7)

Country Link
US (1) US3859814A (enrdf_load_stackoverflow)
JP (1) JPS554239B2 (enrdf_load_stackoverflow)
CA (1) CA988730A (enrdf_load_stackoverflow)
DE (1) DE2447116A1 (enrdf_load_stackoverflow)
FR (1) FR2246754B1 (enrdf_load_stackoverflow)
GB (1) GB1444308A (enrdf_load_stackoverflow)
SE (1) SE7411972L (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058988A (en) * 1976-01-29 1977-11-22 Dunham-Bush, Inc. Heat pump system with high efficiency reversible helical screw rotary compressor
US4197719A (en) * 1976-01-29 1980-04-15 Dunham-Bush, Inc. Tri-level multi-cylinder reciprocating compressor heat pump system
JPS54163416A (en) * 1978-06-14 1979-12-26 Hitachi Ltd Screw compressor
US4342199A (en) * 1980-10-03 1982-08-03 Dunham-Bush, Inc. Screw compressor slide valve engine RPM tracking system
GB8511729D0 (en) * 1985-05-09 1985-06-19 Svenska Rotor Maskiner Ab Screw rotor compressor
US5878810A (en) * 1990-11-28 1999-03-09 Kabushiki Kaisha Toshiba Air-conditioning apparatus
US5167130A (en) * 1992-03-19 1992-12-01 Morris Jr William F Screw compressor system for reverse cycle defrost having relief regulator valve and economizer port
US20070134122A1 (en) * 2005-12-09 2007-06-14 Chin-Tang Wang Hydraulic pump
WO2008112572A1 (en) * 2007-03-09 2008-09-18 Johnson Controls Technology Company Refrigeration system
CN103411338A (zh) * 2013-08-26 2013-11-27 天津商业大学 带两级经济器的螺杆压缩机制冷循环系统
WO2016084176A1 (ja) * 2014-11-26 2016-06-02 三菱電機株式会社 スクリュー圧縮機および冷凍サイクル装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1212015A (en) * 1967-05-03 1970-11-11 Svenksa Rotor Maskiner Aktiebo Improvements in and relating to meshing screw-rotor compressors
SE338576B (enrdf_load_stackoverflow) * 1968-05-06 1971-09-13 Stal Refrigeration Ab
US3577742A (en) * 1969-06-13 1971-05-04 Vilter Manufacturing Corp Refrigeration system having a screw compressor with an auxiliary high pressure suction inlet
US3795117A (en) * 1972-09-01 1974-03-05 Dunham Bush Inc Injection cooling of screw compressors

Also Published As

Publication number Publication date
FR2246754A1 (enrdf_load_stackoverflow) 1975-05-02
FR2246754B1 (enrdf_load_stackoverflow) 1979-02-16
JPS554239B2 (enrdf_load_stackoverflow) 1980-01-29
SE7411972L (enrdf_load_stackoverflow) 1975-04-04
JPS5061710A (enrdf_load_stackoverflow) 1975-05-27
CA988730A (en) 1976-05-11
US3859814A (en) 1975-01-14
DE2447116A1 (de) 1975-04-10

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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