CA995976A - Pumps with servo-type actuation for cheek plate unloading - Google Patents

Pumps with servo-type actuation for cheek plate unloading

Info

Publication number
CA995976A
CA995976A CA184,018A CA184018A CA995976A CA 995976 A CA995976 A CA 995976A CA 184018 A CA184018 A CA 184018A CA 995976 A CA995976 A CA 995976A
Authority
CA
Canada
Prior art keywords
servo
pumps
cheek plate
plate unloading
type actuation
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
Application number
CA184,018A
Other languages
English (en)
Other versions
CA184018S (en
Inventor
Gilbert H. Drutchas
George A. Berman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW 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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA995976A publication Critical patent/CA995976A/en
Expired legal-status Critical Current

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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/062—Arrangements for supercharging the working space
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F04C14/265—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels being obtained by displacing a lateral sealing face

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
CA184,018A 1972-11-02 1973-10-23 Pumps with servo-type actuation for cheek plate unloading Expired CA995976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00303115A US3822965A (en) 1972-11-02 1972-11-02 Pumps with servo-type actuation for cheek plate unloading

Publications (1)

Publication Number Publication Date
CA995976A true CA995976A (en) 1976-08-31

Family

ID=23170609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,018A Expired CA995976A (en) 1972-11-02 1973-10-23 Pumps with servo-type actuation for cheek plate unloading

Country Status (11)

Country Link
US (1) US3822965A (es)
JP (1) JPS5330362B2 (es)
AR (1) AR198447A1 (es)
BR (1) BR7308550D0 (es)
CA (1) CA995976A (es)
DE (1) DE2354352C2 (es)
ES (1) ES420137A1 (es)
FR (1) FR2205945A5 (es)
GB (1) GB1445365A (es)
IT (1) IT1009532B (es)
SE (1) SE397865B (es)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930759A (en) * 1974-06-03 1976-01-06 Trw Inc. Integral housing pump with servo controlled cheek plate
US4014630A (en) * 1974-06-03 1977-03-29 Trw Inc. Power steering pump
BR7608091A (pt) * 1975-12-09 1977-11-22 Trw Inc Bomba de direcao motorizada para veiculo e bomba para suprimento de fluido a um sistema
US4072450A (en) * 1976-01-12 1978-02-07 Trw Inc. Pump assembly
DE2700522A1 (de) * 1977-01-07 1978-07-13 Borsig Gmbh Gekapselter rotationskolbenkompressor, insbesondere kaeltekompressor
US4298316A (en) * 1978-05-01 1981-11-03 Ford Motor Company Power steering pump
JPS56156489A (en) * 1980-05-06 1981-12-03 Jidosha Kiki Co Ltd Oil pump
JPS6124712Y2 (es) * 1980-05-31 1986-07-24
US4408963A (en) * 1980-07-07 1983-10-11 Trw Inc. Power steering pump
US4373871A (en) * 1981-05-04 1983-02-15 General Motors Corporation Compact power steering pump
US4420290A (en) * 1981-05-07 1983-12-13 Trw Inc. Power steering pump
US4422834A (en) * 1981-05-07 1983-12-27 Trw Inc. Power steering pump
US4484863A (en) * 1981-10-05 1984-11-27 Hydraulic Services Inc. Rotary vane pump with undervane pumping and an auxiliary outlet
US4449506A (en) * 1981-11-25 1984-05-22 Trw Inc. Fuel supply system
JPS60203579A (ja) * 1984-03-29 1985-10-15 Honda Motor Co Ltd 車両のパワ−ステアリング装置
US5085187A (en) * 1991-03-11 1992-02-04 Chrysler Corporation Integral engine oil pump and pressure regulator
US5290155A (en) * 1991-09-03 1994-03-01 Deco-Grand, Inc. Power steering pump with balanced porting
US5567125A (en) * 1995-01-06 1996-10-22 Trw Inc. Pump assembly with tubular bypass liner with at least one projection
DE19529807A1 (de) * 1995-08-14 1997-02-20 Luk Fahrzeug Hydraulik Flügelzellenpumpe
DE19917593C2 (de) * 1999-04-19 2002-05-02 Hydraulik Ring Gmbh Hydraulische Verdrängermaschine
US6655936B2 (en) * 2001-11-14 2003-12-02 Delphi Technologies, Inc. Rotary vane pump with under-vane pump
US7232139B2 (en) * 2004-06-21 2007-06-19 Cole Jeffrey E Truck assembly for a skateboard, wheeled platform, or vehicle
US7040638B2 (en) * 2004-06-21 2006-05-09 Jeffrey Eaton Cole Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle
US7216876B2 (en) * 2004-06-21 2007-05-15 Cole Jeffrey E Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle
WO2006002205A2 (en) 2004-06-21 2006-01-05 Cole Jeffrey E Truck assembly for a skateboard, wheeled platform, or vehicle
US7635136B2 (en) * 2005-06-21 2009-12-22 Jeffrey E. Cole Truck assembly for a skateboard, wheeled platform, or vehicle
RU2327900C1 (ru) * 2006-10-30 2008-06-27 Александр Анатольевич Строганов Роторная шиберная машина
US9127674B2 (en) * 2010-06-22 2015-09-08 Gm Global Technology Operations, Llc High efficiency fixed displacement vane pump including a compression spring
DE102011075415A1 (de) * 2011-05-06 2012-11-08 Robert Bosch Gmbh Zahnpumpe
WO2013176143A1 (ja) * 2012-05-21 2013-11-28 ナブテスコオートモーティブ株式会社 真空ポンプ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505191A (en) * 1947-09-18 1950-04-25 Borg Warner Pump-gear type with unloading
US2923244A (en) * 1954-03-17 1960-02-02 Thompson Ramo Wooldridge Inc Pump
US2818813A (en) * 1954-09-09 1958-01-07 Vickers Inc Power transmission
US2809588A (en) * 1955-03-07 1957-10-15 Vickers Inc Power transmission
US2835201A (en) * 1955-05-24 1958-05-20 Vickers Inc Power transmission
FR1275470A (fr) * 1960-09-28 1961-11-10 Dba Sa Pompe autorégulatrice à engrenages
US3578888A (en) * 1969-04-18 1971-05-18 Abex Corp Fluid pump having internal rate of pressure gain limiting device

Also Published As

Publication number Publication date
SE397865B (sv) 1977-11-21
JPS4978208A (es) 1974-07-27
AU6196173A (en) 1975-05-01
GB1445365A (en) 1976-08-11
IT1009532B (it) 1976-12-20
AR198447A1 (es) 1974-06-21
DE2354352A1 (de) 1974-05-09
FR2205945A5 (es) 1974-05-31
DE2354352C2 (de) 1986-09-11
ES420137A1 (es) 1976-05-01
BR7308550D0 (pt) 1974-08-15
US3822965A (en) 1974-07-09
JPS5330362B2 (es) 1978-08-26

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