CA2501103A1 - Displacement pump with variable volume flow - Google Patents

Displacement pump with variable volume flow Download PDF

Info

Publication number
CA2501103A1
CA2501103A1 CA002501103A CA2501103A CA2501103A1 CA 2501103 A1 CA2501103 A1 CA 2501103A1 CA 002501103 A CA002501103 A CA 002501103A CA 2501103 A CA2501103 A CA 2501103A CA 2501103 A1 CA2501103 A1 CA 2501103A1
Authority
CA
Canada
Prior art keywords
displacement pump
set forth
adjusting device
ring
casing
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.)
Abandoned
Application number
CA002501103A
Other languages
English (en)
French (fr)
Inventor
Hermann Haerle
Siegfried A. Eisenmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2501103A1 publication Critical patent/CA2501103A1/en
Abandoned 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
    • 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
    • F04C14/14—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 using rotating valves
    • 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
CA002501103A 2004-03-17 2005-03-17 Displacement pump with variable volume flow Abandoned CA2501103A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004004231U DE202004004231U1 (de) 2004-03-17 2004-03-17 Volumenstromveränderbare Verdrängerpumpe
DE202004004231.2 2004-03-17

Publications (1)

Publication Number Publication Date
CA2501103A1 true CA2501103A1 (en) 2005-09-17

Family

ID=34813794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002501103A Abandoned CA2501103A1 (en) 2004-03-17 2005-03-17 Displacement pump with variable volume flow

Country Status (6)

Country Link
US (1) US20050214149A1 (de)
EP (1) EP1735534A1 (de)
CA (1) CA2501103A1 (de)
DE (1) DE202004004231U1 (de)
MX (1) MXPA05007799A (de)
WO (1) WO2005093259A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007120503A2 (en) * 2006-03-31 2007-10-25 Metaldyne Company, Llc Variable displacement gerotor pump
JP4760968B2 (ja) * 2009-05-12 2011-08-31 トヨタ自動車株式会社 車両用オイルポンプ
CN102563325B (zh) * 2011-12-21 2014-10-22 浙江吉利汽车研究院有限公司 一种汽车机油泵
JP6027343B2 (ja) * 2012-06-01 2016-11-16 株式会社山田製作所 オイルポンプのロータ
DE102019002949B4 (de) * 2019-04-24 2021-02-25 Bastian Voigt Innenzahnradpumpe
CN114198277B (zh) * 2021-12-14 2023-03-31 浙江工业大学 齿轮传动往复式活塞泵

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1486836A (en) * 1923-04-28 1924-03-11 Hill Compressor & Pump Company Rotary-pump pressure control
US2969021A (en) * 1958-04-16 1961-01-24 Acc Emanuel Di G E R Emanuel & Automatic device for adjusting the output of rotary hydraulic machines
US3443378A (en) * 1967-04-04 1969-05-13 Trw Inc Hydrostatic single unit steering system
US3547565A (en) * 1967-07-21 1970-12-15 Reliance Electric Co Rotary device
US4658583A (en) * 1984-06-11 1987-04-21 Trw Inc. Double staged, internal rotary pump with flow control
US5702319A (en) * 1995-10-13 1997-12-30 Dana Corporation Hydromechanical system for limiting differential speed between differentially rotating members
EP0846861B1 (de) * 1996-12-04 2003-03-19 Siegfried A. Dipl.-Ing. Eisenmann Stufenlos verstellbare Zahnringpumpe
CA2219062C (en) * 1996-12-04 2001-12-25 Siegfried A. Eisenmann Infinitely variable ring gear pump
US6244839B1 (en) * 1997-11-14 2001-06-12 University Of Arkansas Pressure compensated variable displacement internal gear pumps
US6152717A (en) * 1998-06-11 2000-11-28 Unisia Jecs Corporation Internal gear pumps
US6195990B1 (en) * 1999-01-13 2001-03-06 Valeo Electrical Systems, Inc. Hydraulic machine comprising dual gerotors
US6481991B2 (en) * 2000-03-27 2002-11-19 Denso Corporation Trochoid gear type fuel pump
JP2002257052A (ja) * 2001-03-05 2002-09-11 Denso Corp トロコイドギヤポンプ
DE10338212A1 (de) * 2003-08-20 2005-03-10 Zahnradfabrik Friedrichshafen Volumenstromvariable Rotorpumpe

Also Published As

Publication number Publication date
EP1735534A1 (de) 2006-12-27
MXPA05007799A (es) 2006-01-18
WO2005093259A1 (de) 2005-10-06
US20050214149A1 (en) 2005-09-29
DE202004004231U1 (de) 2005-07-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued