DE3866908D1 - Oelpumpe variabler leistung. - Google Patents

Oelpumpe variabler leistung.

Info

Publication number
DE3866908D1
DE3866908D1 DE8888301860T DE3866908T DE3866908D1 DE 3866908 D1 DE3866908 D1 DE 3866908D1 DE 8888301860 T DE8888301860 T DE 8888301860T DE 3866908 T DE3866908 T DE 3866908T DE 3866908 D1 DE3866908 D1 DE 3866908D1
Authority
DE
Germany
Prior art keywords
output
pressure
pump
displaced
rack
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
Application number
DE8888301860T
Other languages
German (de)
English (en)
Inventor
Robin Edward Child
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.)
Concentric Pumps Ltd
Original Assignee
Concentric Pumps Ltd
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 Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Application granted granted Critical
Publication of DE3866908D1 publication Critical patent/DE3866908D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • 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
    • F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Rotary Pumps (AREA)
  • Fats And Perfumes (AREA)
  • Sampling And Sample Adjustment (AREA)
DE8888301860T 1987-03-20 1988-03-03 Oelpumpe variabler leistung. Expired - Lifetime DE3866908D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878706630A GB8706630D0 (en) 1987-03-20 1987-03-20 Variable output oil pump

Publications (1)

Publication Number Publication Date
DE3866908D1 true DE3866908D1 (de) 1992-01-30

Family

ID=10614309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888301860T Expired - Lifetime DE3866908D1 (de) 1987-03-20 1988-03-03 Oelpumpe variabler leistung.

Country Status (10)

Country Link
US (1) US4887956A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0284226B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3015914B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR960003387B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE70599T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8801256A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3866908D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2028270T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB8706630D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3003770T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265946B (en) * 1992-04-08 1995-01-18 Concentric Pumps Ltd Improvements relating to pumps
US5476374A (en) * 1994-12-01 1995-12-19 Langreck; Gerald K. Axially ported variable volume gerotor pump technology
DE10037891A1 (de) * 2000-08-03 2002-02-21 Schwaebische Huettenwerke Gmbh Zahnringpumpe mit Exzenterverstellung
AU772010B2 (en) * 2000-08-07 2004-04-08 Anthony James Greenaway Variable displacement pump
DE10222131C5 (de) 2002-05-17 2011-08-11 Schwäbische Hüttenwerke Automotive GmbH & Co. KG, 73433 Verdrängerpumpe mit Fördervolumenverstellung
WO2006066403A1 (en) 2004-12-22 2006-06-29 Magna Powertrain Inc. Variable capacity gerotor pump
WO2007120503A2 (en) * 2006-03-31 2007-10-25 Metaldyne Company, Llc Variable displacement gerotor pump
GB2441773B (en) * 2006-09-15 2011-02-23 Concentric Vfp Ltd Engine Lubricant Pump Control System
EP2261508B1 (en) * 2008-08-01 2017-04-12 Aisin Seiki Kabushiki Kaisha Oil pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6079573A (en) * 1972-10-11 1975-03-27 Sperry Rand Ltd Pressure control in hydraulic systems
GB1426223A (en) * 1973-05-15 1976-02-25 Concentric Pumps Ltd Rotary positive-idsplacement pumps
JPS50138604U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-04-30 1975-11-14
DE2513548C3 (de) * 1975-03-26 1979-01-18 Hydromatik Gmbh, 7900 Ulm Einrichtung zur Steuerung der Fördermenge verstellbarer Axialkolbenpumpen
US4259039A (en) * 1979-03-20 1981-03-31 Integral Hydraulic & Co. Adjustable volume vane-type pump
US4406599A (en) * 1980-10-31 1983-09-27 Vickers, Incorporated Variable displacement vane pump with vanes contacting relatively rotatable rings
US4492539A (en) * 1981-04-02 1985-01-08 Specht Victor J Variable displacement gerotor pump
EP0076033A1 (en) * 1981-09-03 1983-04-06 Concentric Pumps Limited Variable output internal gear pump
GB2120324A (en) * 1982-05-13 1983-11-30 Neptune Systems Limited Variable-displacement rotary pump or motor
GB8422755D0 (en) * 1984-09-08 1984-10-10 Concentric Pumps Ltd Oil pumps
GB8616488D0 (en) * 1986-07-07 1986-08-13 Concentric Controls Ltd Oil pump

Also Published As

Publication number Publication date
EP0284226A2 (en) 1988-09-28
KR880011520A (ko) 1988-10-28
EP0284226A3 (en) 1989-05-24
EP0284226B1 (en) 1991-12-18
US4887956A (en) 1989-12-19
JPS63235680A (ja) 1988-09-30
KR960003387B1 (ko) 1996-03-09
GR3003770T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-16
ES2028270T3 (es) 1992-07-01
BR8801256A (pt) 1988-10-25
GB2204096B (en) 1991-02-06
JP3015914B2 (ja) 2000-03-06
GB2204096A (en) 1988-11-02
GB8706630D0 (en) 1987-04-23
ATE70599T1 (de) 1992-01-15
GB8805624D0 (en) 1988-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee