DE68904727D1 - Schraubenrotorverdichter. - Google Patents
Schraubenrotorverdichter.Info
- Publication number
- DE68904727D1 DE68904727D1 DE8989310403T DE68904727T DE68904727D1 DE 68904727 D1 DE68904727 D1 DE 68904727D1 DE 8989310403 T DE8989310403 T DE 8989310403T DE 68904727 T DE68904727 T DE 68904727T DE 68904727 D1 DE68904727 D1 DE 68904727D1
- Authority
- DE
- Germany
- Prior art keywords
- screw rotor
- rotor compressor
- compressor
- screw
- rotor
- 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 - Lifetime
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
- F04C28/12—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 sliding valves
- F04C28/125—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 sliding valves with sliding valves controlled by the use of fluid other than the working fluid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/259,683 US4909716A (en) | 1988-10-19 | 1988-10-19 | Screw step drive internal volume ratio varying system for helical screw rotary compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE68904727D1 true DE68904727D1 (de) | 1993-03-18 |
Family
ID=22985941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989310403T Expired - Lifetime DE68904727D1 (de) | 1988-10-19 | 1989-10-12 | Schraubenrotorverdichter. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4909716A (de) |
EP (1) | EP0365204B1 (de) |
DE (1) | DE68904727D1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5135374A (en) * | 1990-06-30 | 1992-08-04 | Kabushiki Kaisha Kobe Seiko Sho | Oil flooded screw compressor with thrust compensation control |
US5301708A (en) * | 1993-02-09 | 1994-04-12 | Aluminum Company Of America | Rotary plug valve actuator and associated rotary plug valve and associated method |
AT404996B (de) * | 1995-12-27 | 1999-04-26 | Engel Gmbh Maschbau | Verfahren zum betreiben eines antriebes |
US5950443A (en) * | 1997-08-08 | 1999-09-14 | American Standard Inc. | Compressor minimum capacity control |
AU2167800A (en) * | 1998-12-11 | 2000-06-26 | Ovation Products Corporation | Low pressure ratio piston compressor |
US6592338B2 (en) | 1998-12-11 | 2003-07-15 | Ovation Products Corporation | Rotating compressor |
US6602060B2 (en) | 1998-12-11 | 2003-08-05 | Ovation Products Corporation | Compressor employing piston-ring check valves |
US7309298B2 (en) * | 2002-02-15 | 2007-12-18 | Acushnet Company | Golf ball with spherical polygonal dimples |
US7273068B2 (en) * | 2004-01-14 | 2007-09-25 | Honeywell International, Inc. | Electric driven, integrated metering and shutoff valve for fluid flow control |
ITVI20050272A1 (it) * | 2005-10-14 | 2007-04-15 | Refcomp Spa | Compressore volumetrico a vite perfezionato |
EP2084399B1 (de) * | 2006-10-16 | 2013-12-11 | Carrier Corporation | Träger für verdichter-schieberventil |
ES2629981T3 (es) * | 2007-10-01 | 2017-08-17 | Carrier Corporation | Amortiguador de pulsación para compresor de tornillo |
WO2009048447A1 (en) * | 2007-10-10 | 2009-04-16 | Carrier Corporation | Slide valve system for a screw compressor |
US8287248B2 (en) * | 2008-12-24 | 2012-10-16 | Johnson Controls Technology Company | Compressor |
US20100294645A1 (en) * | 2009-05-20 | 2010-11-25 | Zanaqua Technologies | Combined sump and inline heater for distillation system |
US9267504B2 (en) | 2010-08-30 | 2016-02-23 | Hicor Technologies, Inc. | Compressor with liquid injection cooling |
EP2612035A2 (de) | 2010-08-30 | 2013-07-10 | Oscomp Systems Inc. | Kompressor mit flüssigkeitseinspritzkühlung |
DE102015116324A1 (de) * | 2014-10-08 | 2016-04-14 | Bitzer Kühlmaschinenbau Gmbh | Schraubenverdichter |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1248031A (en) * | 1967-09-21 | 1971-09-29 | Edwards High Vacuum Int Ltd | Two-stage rotary vacuum pumps |
SE366375B (de) * | 1972-06-30 | 1974-04-22 | Stal Refrigeration Ab | |
US3874828A (en) * | 1973-11-12 | 1975-04-01 | Gardner Denver Co | Rotary control valve for screw compressors |
US3936239A (en) * | 1974-07-26 | 1976-02-03 | Dunham-Bush, Inc. | Undercompression and overcompression free helical screw rotary compressor |
US4222716A (en) * | 1979-06-01 | 1980-09-16 | Dunham-Bush, Inc. | Combined pressure matching and capacity control slide valve assembly for helical screw rotary machine |
US4281975A (en) * | 1979-10-09 | 1981-08-04 | Blackwell Thomas D | Anti-friction slide valve support for screw compressor |
US4455131A (en) * | 1981-11-02 | 1984-06-19 | Svenska Rotor Maskiner Aktiebolag | Control device in a helical screw rotor machine for regulating the capacity and the built-in volume ratio of the machine |
US4516914A (en) * | 1982-09-10 | 1985-05-14 | Frick Company | Micro-processor control of moveable slide stop and a moveable slide valve in a helical screw rotary compressor |
US4515540A (en) * | 1983-11-22 | 1985-05-07 | Frick Company | Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio |
US4536130A (en) * | 1984-06-18 | 1985-08-20 | Dunham-Bush, Inc. | Simplified unloader indicator for helical screw rotary compressor |
SE461927B (sv) * | 1987-10-15 | 1990-04-09 | Svenska Rotor Maskiner Ab | Roterande deplacementskompressor med anordning foer reglering av dess inre volymfoerhaallande |
-
1988
- 1988-10-19 US US07/259,683 patent/US4909716A/en not_active Expired - Fee Related
-
1989
- 1989-10-12 DE DE8989310403T patent/DE68904727D1/de not_active Expired - Lifetime
- 1989-10-12 EP EP89310403A patent/EP0365204B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0365204A2 (de) | 1990-04-25 |
EP0365204A3 (en) | 1990-07-18 |
EP0365204B1 (de) | 1993-02-03 |
US4909716A (en) | 1990-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |