SE8801524D0 - Lyftventil vid en skruvrotormaskin - Google Patents
Lyftventil vid en skruvrotormaskinInfo
- Publication number
- SE8801524D0 SE8801524D0 SE8801524A SE8801524A SE8801524D0 SE 8801524 D0 SE8801524 D0 SE 8801524D0 SE 8801524 A SE8801524 A SE 8801524A SE 8801524 A SE8801524 A SE 8801524A SE 8801524 D0 SE8801524 D0 SE 8801524D0
- Authority
- SE
- Sweden
- Prior art keywords
- pct
- machine
- cylinder
- valve member
- valve
- Prior art date
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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Earth Drilling (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8801524A SE461052B (sv) | 1988-04-25 | 1988-04-25 | Lyftventil vid en skruvrotormaskin |
US07/601,687 US5052901A (en) | 1988-04-25 | 1989-04-24 | Lift valve in a rotary screw machine |
KR1019890702444A KR900700760A (ko) | 1988-04-25 | 1989-04-24 | 로터리 스크류 기계의 리프틀밸브 |
EP89905225A EP0413728A1 (en) | 1988-04-25 | 1989-04-24 | Lift valve in a rotary screw machine |
PCT/SE1989/000227 WO1989010489A1 (en) | 1988-04-25 | 1989-04-24 | Lift valve in a rotary screw machine |
JP1504956A JP2843630B2 (ja) | 1988-04-25 | 1989-04-24 | 回転ねじ機械のリフト弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8801524A SE461052B (sv) | 1988-04-25 | 1988-04-25 | Lyftventil vid en skruvrotormaskin |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8801524D0 true SE8801524D0 (sv) | 1988-04-25 |
SE8801524L SE8801524L (sv) | 1989-10-26 |
SE461052B SE461052B (sv) | 1989-12-18 |
Family
ID=20372109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8801524A SE461052B (sv) | 1988-04-25 | 1988-04-25 | Lyftventil vid en skruvrotormaskin |
Country Status (6)
Country | Link |
---|---|
US (1) | US5052901A (sv) |
EP (1) | EP0413728A1 (sv) |
JP (1) | JP2843630B2 (sv) |
KR (1) | KR900700760A (sv) |
SE (1) | SE461052B (sv) |
WO (1) | WO1989010489A1 (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4432518A1 (de) * | 1994-09-13 | 1996-03-14 | Mahle Gmbh | Schraubenverdichter |
US5556271A (en) * | 1994-11-23 | 1996-09-17 | Coltec Industries Inc. | Valve system for capacity control of a screw compressor and method of manufacturing such valves |
EP2198125B1 (en) * | 2007-10-01 | 2017-06-21 | Carrier Corporation | Screw compressor pulsation damper |
EP2209968B1 (en) * | 2007-10-10 | 2018-01-24 | Carrier Corporation | Slide valve system for a screw compressor |
EP2304241B1 (en) * | 2008-06-24 | 2016-04-27 | Carrier Corporation | Automatic volume ratio variation for a rotary screw compressor |
JP5281978B2 (ja) * | 2009-07-15 | 2013-09-04 | 日立アプライアンス株式会社 | スクリュー圧縮機 |
JP5389755B2 (ja) * | 2010-08-30 | 2014-01-15 | 日立アプライアンス株式会社 | スクリュー圧縮機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2519913A (en) * | 1943-08-21 | 1950-08-22 | Jarvis C Marble | Helical rotary compressor with pressure and volume regulating means |
US3088659A (en) * | 1960-06-17 | 1963-05-07 | Svenska Rotor Maskiner Ab | Means for regulating helical rotary piston engines |
SE366375B (sv) * | 1972-06-30 | 1974-04-22 | Stal Refrigeration Ab | |
SE366374B (sv) * | 1972-08-28 | 1974-04-22 | Stal Refrigeration Ab | |
US3869227A (en) * | 1974-03-08 | 1975-03-04 | Vilter Manufacturing Corp | Variable capacity rotary screw compressor having variable high pressure suction fluid inlets |
US4575323A (en) * | 1984-05-23 | 1986-03-11 | Kabushiki Kaisha Kobe Seiko Sho | Slide valve type screw compressor |
DE3434694A1 (de) * | 1984-09-21 | 1986-04-10 | Bitzer Kühlmaschinenbau GmbH & Co KG, 7032 Sindelfingen | Schraubenverdichter fuer gasfoermige medien |
SE464656B (sv) * | 1986-01-31 | 1991-05-27 | Stal Refrigeration Ab | Lyftventil foer rotationskompressor |
SE464885B (sv) * | 1988-04-25 | 1991-06-24 | Svenska Rotor Maskiner Ab | Skruvkompressor med lyftventil |
-
1988
- 1988-04-25 SE SE8801524A patent/SE461052B/sv not_active IP Right Cessation
-
1989
- 1989-04-24 KR KR1019890702444A patent/KR900700760A/ko not_active IP Right Cessation
- 1989-04-24 EP EP89905225A patent/EP0413728A1/en not_active Withdrawn
- 1989-04-24 US US07/601,687 patent/US5052901A/en not_active Expired - Lifetime
- 1989-04-24 WO PCT/SE1989/000227 patent/WO1989010489A1/en not_active Application Discontinuation
- 1989-04-24 JP JP1504956A patent/JP2843630B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03503919A (ja) | 1991-08-29 |
EP0413728A1 (en) | 1991-02-27 |
US5052901A (en) | 1991-10-01 |
JP2843630B2 (ja) | 1999-01-06 |
WO1989010489A1 (en) | 1989-11-02 |
SE461052B (sv) | 1989-12-18 |
SE8801524L (sv) | 1989-10-26 |
KR900700760A (ko) | 1990-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8801524-3 Format of ref document f/p: F |
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NUG | Patent has lapsed |