HK45995A - Unloader arrangement for a screw compressor - Google Patents
Unloader arrangement for a screw compressorInfo
- Publication number
- HK45995A HK45995A HK45995A HK45995A HK45995A HK 45995 A HK45995 A HK 45995A HK 45995 A HK45995 A HK 45995A HK 45995 A HK45995 A HK 45995A HK 45995 A HK45995 A HK 45995A
- Authority
- HK
- Hong Kong
- Prior art keywords
- screw compressor
- unloader
- arrangement
- unloader arrangement
- compressor
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/026—Compressor control by controlling unloaders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/747,894 US5211026A (en) | 1991-08-19 | 1991-08-19 | Combination lift piston/axial port unloader arrangement for a screw compresser |
Publications (1)
Publication Number | Publication Date |
---|---|
HK45995A true HK45995A (en) | 1995-04-07 |
Family
ID=25007119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK45995A HK45995A (en) | 1991-08-19 | 1995-03-30 | Unloader arrangement for a screw compressor |
Country Status (12)
Country | Link |
---|---|
US (1) | US5211026A (xx) |
JP (1) | JP3119946B2 (xx) |
KR (1) | KR0167794B1 (xx) |
AU (1) | AU2483492A (xx) |
BR (1) | BR9205949A (xx) |
CA (1) | CA2074444C (xx) |
DE (1) | DE4227332C2 (xx) |
FR (1) | FR2681106B1 (xx) |
GB (1) | GB2258887B (xx) |
HK (1) | HK45995A (xx) |
IT (1) | IT1258456B (xx) |
WO (1) | WO1993004286A1 (xx) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5419146A (en) * | 1994-04-28 | 1995-05-30 | American Standard Inc. | Evaporator water temperature control for a chiller system |
US5509273A (en) * | 1995-02-24 | 1996-04-23 | American Standard Inc. | Gas actuated slide valve in a screw compressor |
US5632154A (en) * | 1995-02-28 | 1997-05-27 | American Standard Inc. | Feed forward control of expansion valve |
DE19519247C2 (de) * | 1995-05-25 | 2000-08-31 | Guenter Kirsten | Schraubenverdichter |
CN1112515C (zh) * | 1996-03-27 | 2003-06-25 | 北越工业株式会社 | 螺旋流体机械的螺旋转子的轴结构 |
US5950443A (en) | 1997-08-08 | 1999-09-14 | American Standard Inc. | Compressor minimum capacity control |
US6206652B1 (en) | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
DE19744466C2 (de) | 1997-10-08 | 1999-08-19 | Kt Kirsten Technologie Entwick | Schraubenverdichter |
US6135744A (en) * | 1998-04-28 | 2000-10-24 | American Standard Inc. | Piston unloader arrangement for screw compressors |
US6238188B1 (en) * | 1998-08-17 | 2001-05-29 | Carrier Corporation | Compressor control at voltage and frequency extremes of power supply |
US6520758B1 (en) | 2001-10-24 | 2003-02-18 | Ingersoll-Rand Company | Screw compressor assembly and method including a rotor having a thrust piston |
US6644045B1 (en) * | 2002-06-25 | 2003-11-11 | Carrier Corporation | Oil free screw expander-compressor |
US7682084B2 (en) * | 2003-07-18 | 2010-03-23 | Kobe Steel, Ltd. | Bearing and screw compressor |
ES2594617T3 (es) * | 2003-10-08 | 2016-12-21 | Emerson Climate Technologies, Inc. | Unidades de condensación distribuidas |
US7677051B2 (en) * | 2004-05-18 | 2010-03-16 | Carrier Corporation | Compressor lubrication |
US7409833B2 (en) * | 2005-03-10 | 2008-08-12 | Sunpower, Inc. | Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions |
AU2007279212B2 (en) * | 2006-07-27 | 2012-02-16 | Carrier Corporation | Screw compressor capacity control |
WO2008112566A2 (en) * | 2007-03-09 | 2008-09-18 | Johnson Controls Technology Company | Refrigeration system |
US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
CN101251110B (zh) * | 2008-01-08 | 2010-06-16 | 烟台冰轮股份有限公司 | 一种复叠式压缩机组的自动控制装置及其控制方法 |
ES2623055T3 (es) | 2009-01-27 | 2017-07-10 | Emerson Climate Technologies, Inc. | Sistema y método de descarga para un compresor |
CN102193567B (zh) * | 2010-03-10 | 2013-11-13 | 同方人工环境有限公司 | 一种无级调节水源螺杆机组的控制方法 |
CN102061944B (zh) * | 2010-11-16 | 2012-11-28 | 上海维尔泰克螺杆机械有限公司 | 一种螺杆膨胀发电装置 |
US10378533B2 (en) | 2011-12-06 | 2019-08-13 | Bitzer Us, Inc. | Control for compressor unloading system |
JP5891192B2 (ja) * | 2013-03-25 | 2016-03-22 | 株式会社神戸製鋼所 | 発電装置及び発電システム |
WO2018185514A1 (en) | 2017-04-06 | 2018-10-11 | Carrier Corporation | A method for reducing the maximum inrush current of a compressor system comprising multiple asynchronous electrical motors and a compressor system for implementing this method |
CN115875865B (zh) * | 2023-01-10 | 2023-08-04 | 北京工业大学 | 一种可调节的单螺杆压缩机回热式复叠低温制冷系统 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2358815A (en) * | 1935-03-28 | 1944-09-26 | Jarvis C Marble | Compressor apparatus |
US3088658A (en) * | 1959-06-04 | 1963-05-07 | Svenska Rotor Maskiner Ab | Angularly adjustable slides for screw rotor machines |
FR1258651A (fr) * | 1960-06-01 | 1961-04-14 | Svenska Rotor Maskiner Ab | Dispositif de réglage pour machines à rotors en hélice |
US3108740A (en) * | 1960-06-17 | 1963-10-29 | Svenska Rotor Maskiner Ab | Regulating means for rotary piston compressors |
US3088659A (en) * | 1960-06-17 | 1963-05-07 | Svenska Rotor Maskiner Ab | Means for regulating helical rotary piston engines |
US3513662A (en) * | 1968-11-12 | 1970-05-26 | Armour & Co | Feedback control system for sequencing motors |
GB1517156A (en) * | 1974-06-21 | 1978-07-12 | Svenska Rotor Maskiner Ab | Screw compressor including means for varying the capacity thereof |
GB1555330A (en) * | 1978-03-21 | 1979-11-07 | Hall Thermotank Prod Ltd | Rotary fluid machines |
JPS54134806A (en) * | 1978-04-12 | 1979-10-19 | Hitachi Ltd | Screw compressor capacity control mechanism |
SU1064046A1 (ru) * | 1979-02-02 | 1983-12-30 | Ленинградский технологический институт холодильной промышленности | Способ регулировани производительности винтовой машины |
FR2459385A1 (fr) * | 1979-06-19 | 1981-01-09 | Zimmern Bernard | Procede pour suralimenter et regler un compresseur a vis unique |
SE432465B (sv) * | 1980-06-02 | 1984-04-02 | Sullair Tech Ab | Ventilarrangemang for kapacitetsreglering av skruvkompressorer |
US4351160A (en) * | 1980-06-16 | 1982-09-28 | Borg-Warner Corporation | Capacity control systems for screw compressor based water chillers |
AU550468B2 (en) * | 1980-09-19 | 1986-03-20 | Mitsubishi Jukogyo Kabushiki Kaisha | Compressor capability control |
SE429782B (sv) * | 1981-05-14 | 1983-09-26 | Sullair Tech Ab | Ventilarrangemang for kapacitetsreglering av skruvkompressorer |
JPS57206794A (en) * | 1981-06-12 | 1982-12-18 | Hitachi Ltd | Screw compressor |
SE444601B (sv) * | 1983-10-24 | 1986-04-21 | Stal Refrigeration Ab | Anordning for reglering av volymkapaciteten hos en skruvkompressor |
US4583373A (en) * | 1984-02-14 | 1986-04-22 | Dunham-Bush, Inc. | Constant evaporator pressure slide valve modulator for screw compressor refrigeration system |
GB8511729D0 (en) * | 1985-05-09 | 1985-06-19 | Svenska Rotor Maskiner Ab | Screw rotor compressor |
US4662190A (en) * | 1985-12-10 | 1987-05-05 | Tischer James C | Integral slide valve-oil separator apparatus in a screw compressor |
SE464656B (sv) * | 1986-01-31 | 1991-05-27 | Stal Refrigeration Ab | Lyftventil foer rotationskompressor |
US4678406A (en) * | 1986-04-25 | 1987-07-07 | Frick Company | Variable volume ratio screw compressor with step control |
SE464885B (sv) * | 1988-04-25 | 1991-06-24 | Svenska Rotor Maskiner Ab | Skruvkompressor med lyftventil |
-
1991
- 1991-08-19 US US07/747,894 patent/US5211026A/en not_active Expired - Lifetime
-
1992
- 1992-07-20 GB GB9215403A patent/GB2258887B/en not_active Expired - Lifetime
- 1992-07-22 CA CA002074444A patent/CA2074444C/en not_active Expired - Lifetime
- 1992-08-12 WO PCT/US1992/006784 patent/WO1993004286A1/en active Application Filing
- 1992-08-12 AU AU24834/92A patent/AU2483492A/en not_active Abandoned
- 1992-08-12 BR BR9205949A patent/BR9205949A/pt not_active IP Right Cessation
- 1992-08-14 JP JP04237574A patent/JP3119946B2/ja not_active Expired - Lifetime
- 1992-08-18 IT ITRM920609A patent/IT1258456B/it active IP Right Grant
- 1992-08-18 DE DE4227332A patent/DE4227332C2/de not_active Expired - Lifetime
- 1992-08-18 FR FR9210102A patent/FR2681106B1/fr not_active Expired - Lifetime
-
1993
- 1993-10-29 KR KR1019930703274A patent/KR0167794B1/ko not_active IP Right Cessation
-
1995
- 1995-03-30 HK HK45995A patent/HK45995A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ITRM920609A1 (it) | 1994-02-18 |
CA2074444C (en) | 1994-06-14 |
KR0167794B1 (en) | 1999-01-15 |
AU2483492A (en) | 1993-03-16 |
US5211026A (en) | 1993-05-18 |
DE4227332C2 (de) | 1995-06-14 |
CA2074444A1 (en) | 1993-02-20 |
DE4227332A1 (de) | 1993-02-25 |
GB9215403D0 (en) | 1992-09-02 |
GB2258887A (en) | 1993-02-24 |
GB2258887B (en) | 1994-12-21 |
WO1993004286A1 (en) | 1993-03-04 |
ITRM920609A0 (it) | 1992-08-18 |
FR2681106A1 (fr) | 1993-03-12 |
JP3119946B2 (ja) | 2000-12-25 |
FR2681106B1 (fr) | 1994-10-07 |
IT1258456B (it) | 1996-02-26 |
BR9205949A (pt) | 1994-07-05 |
JPH05215086A (ja) | 1993-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
AS | Change of ownership |
Owner name: AMERICAN STANDARD INTERNATIONAL INC. Free format text: FORMER OWNER(S): AMERICAN STANDARD INC |
|
CHPA | Change of a particular in the register (except of change of ownership) | ||
PE | Patent expired |
Effective date: 20120719 |