BR7504682A - Aperfeicoamento em sistema para fornecer um gas sob pressao de uma linha de fornecimento do sistema e em compressor rotativo de parafuso helicoidal - Google Patents

Aperfeicoamento em sistema para fornecer um gas sob pressao de uma linha de fornecimento do sistema e em compressor rotativo de parafuso helicoidal

Info

Publication number
BR7504682A
BR7504682A BR7504682*A BR7504682A BR7504682A BR 7504682 A BR7504682 A BR 7504682A BR 7504682 A BR7504682 A BR 7504682A BR 7504682 A BR7504682 A BR 7504682A
Authority
BR
Brazil
Prior art keywords
improvement
supply line
under pressure
gas under
screw compressor
Prior art date
Application number
BR7504682*A
Other languages
English (en)
Inventor
H Moody
C Bulkley
J Gagnon
G Fraser
Original Assignee
Dunham Bush Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dunham Bush Inc filed Critical Dunham Bush Inc
Publication of BR7504682A publication Critical patent/BR7504682A/pt

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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
    • F04C29/0014—Injection of a fluid in the working chamber for sealing, cooling and lubricating with control systems for the injection of the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
BR7504682*A 1974-12-09 1975-07-22 Aperfeicoamento em sistema para fornecer um gas sob pressao de uma linha de fornecimento do sistema e em compressor rotativo de parafuso helicoidal BR7504682A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/531,121 US4076461A (en) 1974-12-09 1974-12-09 Feedback control system for helical screw rotary compressors

Publications (1)

Publication Number Publication Date
BR7504682A true BR7504682A (pt) 1976-08-17

Family

ID=24116325

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7504682*A BR7504682A (pt) 1974-12-09 1975-07-22 Aperfeicoamento em sistema para fornecer um gas sob pressao de uma linha de fornecimento do sistema e em compressor rotativo de parafuso helicoidal

Country Status (9)

Country Link
US (1) US4076461A (pt)
JP (1) JPS5167511A (pt)
AU (1) AU8328775A (pt)
BR (1) BR7504682A (pt)
DE (1) DE2531808A1 (pt)
FR (1) FR2294346A1 (pt)
IT (1) IT1041334B (pt)
SE (1) SE7508359L (pt)
ZA (1) ZA754404B (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058988A (en) * 1976-01-29 1977-11-22 Dunham-Bush, Inc. Heat pump system with high efficiency reversible helical screw rotary compressor
AU504641B2 (en) * 1976-05-10 1979-10-18 Vilter Manufacturing Corp. Control system for variable capacity compressor
US4249866A (en) * 1978-03-01 1981-02-10 Dunham-Bush, Inc. Control system for screw compressor
DD139280B1 (de) * 1978-10-27 1981-05-27 Dieter Mosemann Leistungsgeregelter oelueberfluteter schraubenverdichter mit verstellbarem eingebautem volumenverhaeltnis
US4342199A (en) * 1980-10-03 1982-08-03 Dunham-Bush, Inc. Screw compressor slide valve engine RPM tracking system
JPS57135293A (en) * 1981-02-12 1982-08-20 Ebara Corp Screw compressor
JPS57140591A (en) * 1981-02-23 1982-08-31 Ebara Corp Screw compressor
US4412788A (en) * 1981-04-20 1983-11-01 Durham-Bush, Inc. Control system for screw compressor
US4548549A (en) * 1982-09-10 1985-10-22 Frick Company Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
GB2159980B (en) * 1982-09-10 1987-10-07 Frick Co Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
JPS59191855A (ja) * 1983-04-15 1984-10-31 株式会社日立製作所 冷凍装置
JPS59211784A (ja) * 1983-05-18 1984-11-30 Hitachi Ltd 連続制御付スクリユ−形空調機
US4762469A (en) * 1986-03-03 1988-08-09 American Standard Inc. Rotor anti-reverse rotation arrangement in a screw compressor
SE461927B (sv) * 1987-10-15 1990-04-09 Svenska Rotor Maskiner Ab Roterande deplacementskompressor med anordning foer reglering av dess inre volymfoerhaallande
US5509273A (en) * 1995-02-24 1996-04-23 American Standard Inc. Gas actuated slide valve in a screw compressor
US5979168A (en) * 1997-07-15 1999-11-09 American Standard Inc. Single-source gas actuation for screw compressor slide valve assembly
DE19840354C1 (de) * 1998-09-04 2000-04-20 Mannesmann Sachs Ag Kompressor
GB2344856B (en) * 1998-12-18 2002-12-18 Ingersoll Rand Company Ltd Method of operating compressor
US6551069B2 (en) 2001-06-11 2003-04-22 Bristol Compressors, Inc. Compressor with a capacity modulation system utilizing a re-expansion chamber
US20100209280A1 (en) * 2007-10-01 2010-08-19 Carrier Corporation Screw compressor pulsation damper
CN101821479A (zh) * 2007-10-10 2010-09-01 开利公司 螺杆压缩机的滑阀系统
WO2009048446A1 (en) * 2007-10-10 2009-04-16 Carrier Corporation Slide valve system for a screw compressor
CN102076961A (zh) * 2008-06-24 2011-05-25 开利公司 旋转螺杆压缩机的自动容积比变化
JP5734438B2 (ja) * 2010-09-14 2015-06-17 ジョンソン コントロールズ テクノロジー カンパニーＪｏｈｎｓｏｎ Ｃｏｎｔｒｏｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏｍｐａｎｙ 容積比制御システムおよび方法
JP5358608B2 (ja) * 2011-03-30 2013-12-04 日立アプライアンス株式会社 スクリュー圧縮機及びこれを用いたチラーユニット
DE102012006363A1 (de) * 2011-04-01 2012-10-04 Rotorcomp Verdichter Gmbh Luftregler für Kompressoren, insbesondere Schraubenkompressoren
US11655816B2 (en) * 2015-05-08 2023-05-23 Danfoss Power Solutions Gmbh & Co. Ohg Fluid working systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167020A (en) * 1963-09-27 1965-01-26 Gen Motors Corp Pulsating power unit devices
GB1171291A (en) * 1965-10-12 1969-11-19 Svenska Rotor Maskiner Ab Screw Rotor Machines
US3574474A (en) * 1969-07-31 1971-04-13 Carrier Corp Method of and apparatus for controlling the operation of gas compression apparatus
US3636973A (en) * 1970-06-01 1972-01-25 Eugene A Roeske Analog position controller
BE788564A (fr) * 1971-11-05 1973-01-02 Gardner Denver Co Compresseur a vis

Also Published As

Publication number Publication date
DE2531808A1 (de) 1976-06-10
US4076461A (en) 1978-02-28
JPS5167511A (pt) 1976-06-11
FR2294346A1 (fr) 1976-07-09
IT1041334B (it) 1980-01-10
SE7508359L (sv) 1976-06-10
ZA754404B (en) 1976-06-30
AU8328775A (en) 1977-01-27

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