JPS5627716B2 - - Google Patents
Info
- Publication number
- JPS5627716B2 JPS5627716B2 JP7094578A JP7094578A JPS5627716B2 JP S5627716 B2 JPS5627716 B2 JP S5627716B2 JP 7094578 A JP7094578 A JP 7094578A JP 7094578 A JP7094578 A JP 7094578A JP S5627716 B2 JPS5627716 B2 JP S5627716B2
- Authority
- JP
- Japan
- 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
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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7094578A JPS54163416A (en) | 1978-06-14 | 1978-06-14 | Screw compressor |
US06/046,025 US4234296A (en) | 1978-06-14 | 1979-06-06 | Screw compressor |
DE19792923796 DE2923796A1 (de) | 1978-06-14 | 1979-06-12 | Schraubenverdichter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7094578A JPS54163416A (en) | 1978-06-14 | 1978-06-14 | Screw compressor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54163416A JPS54163416A (en) | 1979-12-26 |
JPS5627716B2 true JPS5627716B2 (ja) | 1981-06-26 |
Family
ID=13446139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7094578A Granted JPS54163416A (en) | 1978-06-14 | 1978-06-14 | Screw compressor |
Country Status (3)
Country | Link |
---|---|
US (1) | US4234296A (ja) |
JP (1) | JPS54163416A (ja) |
DE (1) | DE2923796A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2562167B1 (fr) * | 1984-03-29 | 1986-08-14 | Bernard Zimmern | Machine volumetrique a vis avec glissiere a rail |
US4575323A (en) * | 1984-05-23 | 1986-03-11 | Kabushiki Kaisha Kobe Seiko Sho | Slide valve type screw compressor |
JPS6117191U (ja) * | 1984-07-04 | 1986-01-31 | 株式会社神戸製鋼所 | スクリユ圧縮機 |
US4610612A (en) * | 1985-06-03 | 1986-09-09 | Vilter Manufacturing Corporation | Rotary screw gas compressor having dual slide valves |
US4878818A (en) * | 1988-07-05 | 1989-11-07 | Carrier Corporation | Common compression zone access ports for positive displacement compressor |
JP4330369B2 (ja) * | 2002-09-17 | 2009-09-16 | 株式会社神戸製鋼所 | スクリュ冷凍装置 |
KR101073501B1 (ko) * | 2004-05-18 | 2011-10-17 | 삼성전자주식회사 | 다단운전 공기조화기 |
CA2596462A1 (en) * | 2005-02-07 | 2006-08-17 | Carrier Corporation | Compressor slide valve lubrication |
BRPI0621396A2 (pt) * | 2006-03-13 | 2012-10-09 | Carrier Corp | compressor, e, método para controlar capacidade de um compressor |
US20100209280A1 (en) * | 2007-10-01 | 2010-08-19 | Carrier Corporation | Screw compressor pulsation damper |
WO2009048447A1 (en) * | 2007-10-10 | 2009-04-16 | 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 |
CN104653463B (zh) * | 2013-11-22 | 2017-06-06 | 珠海格力电器股份有限公司 | 螺杆压缩机机体结构及螺杆压缩机 |
US10677246B2 (en) * | 2016-07-18 | 2020-06-09 | Johnson Controls Technology Company | Variable volume ratio compressor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO117317B (ja) * | 1964-03-20 | 1969-07-28 | Svenska Rotor Maskiner Ab | |
US3656876A (en) * | 1970-09-09 | 1972-04-18 | Vilter Manufacturing Corp | Rotary screw engine having adjustable internal feed and adjustable outlet control |
US3859814A (en) * | 1973-10-03 | 1975-01-14 | Vilter Manufacturing Corp | Variable capacity rotary screw compressor |
US3885402A (en) * | 1974-01-14 | 1975-05-27 | Dunham Bush Inc | Optimized point of injection of liquid refrigerant in a helical screw rotary compressor for refrigeration use |
DD110920A1 (ja) * | 1974-02-22 | 1975-01-12 | ||
SE382663B (sv) * | 1974-04-11 | 1976-02-09 | Stal Refrigeration Ab | Sett att fora in mellantryckgas i en skruvkylkompressor jemte skruvkompressor for genomforande av settet. |
US3913346A (en) * | 1974-05-30 | 1975-10-21 | Dunham Bush Inc | Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor |
US3936239A (en) * | 1974-07-26 | 1976-02-03 | Dunham-Bush, Inc. | Undercompression and overcompression free helical screw rotary compressor |
GB1548663A (en) * | 1975-06-24 | 1979-07-18 | Maekawa Seisakusho Kk | Refrigerating apparatus |
-
1978
- 1978-06-14 JP JP7094578A patent/JPS54163416A/ja active Granted
-
1979
- 1979-06-06 US US06/046,025 patent/US4234296A/en not_active Expired - Lifetime
- 1979-06-12 DE DE19792923796 patent/DE2923796A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPS54163416A (en) | 1979-12-26 |
DE2923796A1 (de) | 1979-12-20 |
US4234296A (en) | 1980-11-18 |