GB2323413B - Valve system for capacity control of a screw compressor - Google Patents

Valve system for capacity control of a screw compressor

Info

Publication number
GB2323413B
GB2323413B GB9814197A GB9814197A GB2323413B GB 2323413 B GB2323413 B GB 2323413B GB 9814197 A GB9814197 A GB 9814197A GB 9814197 A GB9814197 A GB 9814197A GB 2323413 B GB2323413 B GB 2323413B
Authority
GB
United Kingdom
Prior art keywords
valve system
screw compressor
capacity control
capacity
compressor
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 - Fee Related
Application number
GB9814197A
Other versions
GB9814197D0 (en
GB2323413A (en
Inventor
Jan A Zuercher
John Q Richardson
Arthur R Legault
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.)
Coltec Industries Inc
Original Assignee
Coltec Industries 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
Priority claimed from US08/346,244 external-priority patent/US5556271A/en
Application filed by Coltec Industries Inc filed Critical Coltec Industries Inc
Publication of GB9814197D0 publication Critical patent/GB9814197D0/en
Publication of GB2323413A publication Critical patent/GB2323413A/en
Application granted granted Critical
Publication of GB2323413B publication Critical patent/GB2323413B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/16—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB9814197A 1994-11-23 1995-11-23 Valve system for capacity control of a screw compressor Expired - Fee Related GB2323413B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/346,244 US5556271A (en) 1994-11-23 1994-11-23 Valve system for capacity control of a screw compressor and method of manufacturing such valves
GB9524004A GB2295661B (en) 1994-11-23 1995-11-23 Valve system for capacity control of a screw compressor and method of manufacturing such valves

Publications (3)

Publication Number Publication Date
GB9814197D0 GB9814197D0 (en) 1998-08-26
GB2323413A GB2323413A (en) 1998-09-23
GB2323413B true GB2323413B (en) 1998-12-09

Family

ID=26308170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9814197A Expired - Fee Related GB2323413B (en) 1994-11-23 1995-11-23 Valve system for capacity control of a screw compressor

Country Status (1)

Country Link
GB (1) GB2323413B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9803292L (en) * 1998-09-29 1999-05-17 Svenska Rotor Maskiner Ab Variable capacity screw rotor compressor comprising at least one lifting valve adjacent to a first compression chamber
US8082747B2 (en) * 2008-12-09 2011-12-27 Thermo King Corporation Temperature control through pulse width modulation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946362A (en) * 1988-04-25 1990-08-07 Svenska Rotor Maskiner Ab Rotary screw compressor with a lift valve mounted in high pressure end wall
US5108269A (en) * 1986-01-31 1992-04-28 Stal Refrigeration Ab Method of controlling a rotary compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108269A (en) * 1986-01-31 1992-04-28 Stal Refrigeration Ab Method of controlling a rotary compressor
US4946362A (en) * 1988-04-25 1990-08-07 Svenska Rotor Maskiner Ab Rotary screw compressor with a lift valve mounted in high pressure end wall

Also Published As

Publication number Publication date
GB9814197D0 (en) 1998-08-26
GB2323413A (en) 1998-09-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051123