DE59708039D1 - Internal combustion engine with two-stage internal rotor gear pump - Google Patents

Internal combustion engine with two-stage internal rotor gear pump

Info

Publication number
DE59708039D1
DE59708039D1 DE59708039T DE59708039T DE59708039D1 DE 59708039 D1 DE59708039 D1 DE 59708039D1 DE 59708039 T DE59708039 T DE 59708039T DE 59708039 T DE59708039 T DE 59708039T DE 59708039 D1 DE59708039 D1 DE 59708039D1
Authority
DE
Germany
Prior art keywords
combustion engine
gear pump
rotor gear
internal combustion
stage
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
DE59708039T
Other languages
German (de)
Inventor
Dr Flier
Derek John Pelly
Anton Finkenzeller
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Application granted granted Critical
Publication of DE59708039D1 publication Critical patent/DE59708039D1/en
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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • 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
    • F04C2/103—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 one member having simultaneously a rotational movement about its own axis and an orbital movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Rotary Pumps (AREA)
DE59708039T 1996-06-05 1997-04-24 Internal combustion engine with two-stage internal rotor gear pump Expired - Lifetime DE59708039D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19622688A DE19622688A1 (en) 1996-06-05 1996-06-05 Internal combustion engine with separate hydraulic circuits supplied with lubricating oil

Publications (1)

Publication Number Publication Date
DE59708039D1 true DE59708039D1 (en) 2002-10-02

Family

ID=7796286

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19622688A Withdrawn DE19622688A1 (en) 1996-06-05 1996-06-05 Internal combustion engine with separate hydraulic circuits supplied with lubricating oil
DE59708039T Expired - Lifetime DE59708039D1 (en) 1996-06-05 1997-04-24 Internal combustion engine with two-stage internal rotor gear pump

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19622688A Withdrawn DE19622688A1 (en) 1996-06-05 1996-06-05 Internal combustion engine with separate hydraulic circuits supplied with lubricating oil

Country Status (2)

Country Link
EP (1) EP0811765B1 (en)
DE (2) DE19622688A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407563B (en) * 1998-02-26 2001-04-25 Tcg Unitech Ag OIL PUMP FOR AN INTERNAL COMBUSTION ENGINE
US6195990B1 (en) * 1999-01-13 2001-03-06 Valeo Electrical Systems, Inc. Hydraulic machine comprising dual gerotors
US6397796B1 (en) * 2001-03-05 2002-06-04 Ford Global Technologies, Inc. Oiling systems and methods for changing lengths of variable compression ratio connecting rods
DE10159147A1 (en) * 2001-12-01 2003-06-18 Zahnradfabrik Friedrichshafen Hydraulic gear pump has pump stages in one plane, one above other radially
DE10350632A1 (en) 2003-10-29 2005-06-16 Gkn Sinter Metals Gmbh Double or multiple pump
US7290991B2 (en) * 2004-02-18 2007-11-06 General Motors Corporation Dual oil supply pump
DE102004058261A1 (en) * 2004-12-03 2006-06-08 Volkswagen Ag Oil pump, has low pressure oil cycle provided with one of pump stages for cooling of motor vehicle gearbox with cooling oil, where oil from low pressure oil cycle is taken out for prefilling clutch with help of quantity switching mechanism
DE102005014654B4 (en) * 2005-03-31 2014-03-06 Gkn Driveline International Gmbh Motor vehicle hydraulic pump
JP4521005B2 (en) 2007-02-20 2010-08-11 株式会社山田製作所 Pressure control device in oil pump
CN102900665A (en) * 2012-10-16 2013-01-30 李庆中 Inside engaged gear pump or gear motor device with multilayer structure
US9951771B2 (en) 2013-04-08 2018-04-24 Danfoss Power Solutions Inc. Selectable flow hydraulic gear pump
GB2516523A (en) * 2013-04-08 2015-01-28 Danfoss Power Solutions Inc Selectable flow hydraulic gear pump
CN104929930B (en) * 2015-06-18 2017-03-01 河北睿智辰诚液压机械科技有限公司 A kind of gear pump being capable of high-low pressure confluence
CN109469609B (en) * 2018-11-08 2020-03-24 奇瑞汽车股份有限公司 Oil pump and engine lubricating system
DE102020100583A1 (en) * 2020-01-13 2021-07-15 Schwäbische Hüttenwerke Automotive GmbH Fluid supply system for supplying several fluid consumers of a motor vehicle with fluid
CN112879279B (en) * 2021-01-27 2023-10-27 邵玉强 Duplex internal gear pump
DE102021133555A1 (en) 2021-12-16 2023-06-22 Endter SinterTechnics GmbH & Co. KG Gerotor unit and pump or motor with a gerotor unit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933963C (en) * 1940-08-09 1955-10-06 Messerschmitt Boelkow Blohm Arrangement of auxiliary machines and devices for fuel delivery and allocation in internal combustion engines
DE2620480C2 (en) * 1976-05-08 1984-03-01 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Lubricating oil supply
US4204811A (en) * 1977-08-19 1980-05-27 The Garrett Corporation Fluid pumping system
US4658583A (en) * 1984-06-11 1987-04-21 Trw Inc. Double staged, internal rotary pump with flow control
DE3445454A1 (en) * 1984-12-13 1986-06-26 P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg Multistage internal-gear gear pump
DE3714087A1 (en) * 1986-05-10 1987-11-12 Volkswagen Ag Drive assembly with individual lubricating oil circuits for engine and transmission
DE3840356A1 (en) * 1987-12-05 1989-06-15 Barmag Barmer Maschf Lubricating oil pump in motor vehicles
DE3812411A1 (en) * 1988-04-14 1989-10-26 Walter Schopf Series pump-step arrangement with controllable useful delivery rate for mobile use
DE3921715A1 (en) * 1989-07-01 1991-01-10 Porsche Ag DEVICE FOR DRIVING TWO OIL PUMPS ON A PISTON PISTON INTERNAL COMBUSTION ENGINE
DE3933978A1 (en) * 1989-10-11 1991-05-02 Eisenmann Siegfried A SUCTION-CONTROLLED GEAR RING PUMP
JPH04132414U (en) * 1991-05-29 1992-12-08 株式会社アツギユニシア Internal combustion engine valve timing control device
JP3531769B2 (en) * 1994-08-25 2004-05-31 アイシン精機株式会社 Oil pump device

Also Published As

Publication number Publication date
EP0811765A3 (en) 1998-06-10
DE19622688A1 (en) 1997-12-11
EP0811765A2 (en) 1997-12-10
EP0811765B1 (en) 2002-08-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition