CA2712550A1 - Variable-volume internal gear pump - Google Patents

Variable-volume internal gear pump Download PDF

Info

Publication number
CA2712550A1
CA2712550A1 CA2712550A CA2712550A CA2712550A1 CA 2712550 A1 CA2712550 A1 CA 2712550A1 CA 2712550 A CA2712550 A CA 2712550A CA 2712550 A CA2712550 A CA 2712550A CA 2712550 A1 CA2712550 A1 CA 2712550A1
Authority
CA
Canada
Prior art keywords
rotor
teeth
internal gear
gear pump
pressure chamber
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
CA2712550A
Other languages
English (en)
French (fr)
Inventor
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 CA2712550A1 publication Critical patent/CA2712550A1/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
    • 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
    • F04C2/102—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 the two members rotating simultaneously around their respective axes
    • 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
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
CA2712550A 2008-01-21 2009-01-21 Variable-volume internal gear pump Abandoned CA2712550A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08100673.6 2008-01-21
EP08100673 2008-01-21
PCT/EP2009/050630 WO2009092719A2 (de) 2008-01-21 2009-01-21 Volumenveränderbare innenzahnradpumpe

Publications (1)

Publication Number Publication Date
CA2712550A1 true CA2712550A1 (en) 2009-07-30

Family

ID=39523755

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2712550A Abandoned CA2712550A1 (en) 2008-01-21 2009-01-21 Variable-volume internal gear pump

Country Status (5)

Country Link
US (1) US20110038746A1 (de)
EP (1) EP2235374B1 (de)
AT (1) ATE517262T1 (de)
CA (1) CA2712550A1 (de)
WO (1) WO2009092719A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159328A1 (en) * 2022-02-28 2023-08-31 Genesis Advanced Technology Inc. Energy transfer machine for corrosive fluids

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8543245B2 (en) * 2009-11-20 2013-09-24 Halliburton Energy Services, Inc. Systems and methods for specifying an operational parameter for a pumping system
EP2585719A2 (de) 2010-06-23 2013-05-01 Siegfried A. Eisenmann Stufenlos volumenveränderbare hydrostatische kreiskolbenmaschine
WO2012031970A1 (de) 2010-09-06 2012-03-15 Eisenmann Siegfried A Hydrostatischer antrieb für ein kraftfahrzeug
CN102135096B (zh) * 2011-03-13 2013-08-28 深圳乐满油气技术有限公司 偏心式双转子泵的外驱动传动结构
US9488172B2 (en) * 2012-05-24 2016-11-08 GM Global Technology Operations LLC Pump assembly for a vehicle
DE102013212002A1 (de) * 2013-06-25 2015-01-08 Bayerische Motoren Werke Aktiengesellschaft Innenzahnradpumpe für die Förderung von Fluid
CN104976112B (zh) * 2014-04-01 2018-12-18 松下知识产权经营株式会社 液体用泵和兰金循环装置
JP2021055553A (ja) * 2019-09-27 2021-04-08 株式会社Ｓｕｂａｒｕ 内接歯車ポンプ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484789A (en) * 1944-04-15 1949-10-11 Hill Lab Variable displacement pump and motor
JPS5647692A (en) * 1979-09-27 1981-04-30 Ishikawajima Harima Heavy Ind Co Ltd Variable displacement type internal gear pump
DE3528651A1 (de) * 1985-08-09 1987-02-19 Rohs Hans Guenther Prof Dr Ing Zahnradpumpe
US6244839B1 (en) * 1997-11-14 2001-06-12 University Of Arkansas Pressure compensated variable displacement internal gear pumps
ITTO20020551A1 (it) * 2002-06-26 2003-12-29 Vhit Spa Macchina fluidica a cilindrata variabile in funzione della pressione
JP4485770B2 (ja) * 2003-09-01 2010-06-23 株式会社ダイヤメット オイルポンプロータ
DE10352029A1 (de) * 2003-11-07 2005-06-16 SCHWäBISCHE HüTTENWERKE GMBH Verdrängerpumpe mit Vorladeeinrichtung
WO2005100780A2 (en) * 2004-04-09 2005-10-27 Hybra-Drive Systems, Llc Variable capacity pump/motor
CN100513787C (zh) * 2004-12-22 2009-07-15 麦格纳动力系有限公司 可变容量的回转泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159328A1 (en) * 2022-02-28 2023-08-31 Genesis Advanced Technology Inc. Energy transfer machine for corrosive fluids

Also Published As

Publication number Publication date
WO2009092719A3 (de) 2009-12-03
WO2009092719A2 (de) 2009-07-30
ATE517262T1 (de) 2011-08-15
US20110038746A1 (en) 2011-02-17
EP2235374A2 (de) 2010-10-06
EP2235374B1 (de) 2011-07-20

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20150121