GB2323413B - Valve system for capacity control of a screw compressor - Google Patents
Valve system for capacity control of a screw compressorInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE510385C2 (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)
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 |
-
1995
- 1995-11-23 GB GB9814197A patent/GB2323413B/en not_active Expired - Fee Related
Patent Citations (2)
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 |