CA1333857C - Gerotor pumps - Google Patents

Gerotor pumps

Info

Publication number
CA1333857C
CA1333857C CA000613676A CA613676A CA1333857C CA 1333857 C CA1333857 C CA 1333857C CA 000613676 A CA000613676 A CA 000613676A CA 613676 A CA613676 A CA 613676A CA 1333857 C CA1333857 C CA 1333857C
Authority
CA
Canada
Prior art keywords
rotor
annulus
shaft
journalled
pump
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 - Fee Related
Application number
CA000613676A
Other languages
English (en)
French (fr)
Inventor
Steve Hodge
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
Priority claimed from GB888822696A external-priority patent/GB8822696D0/en
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Application granted granted Critical
Publication of CA1333857C publication Critical patent/CA1333857C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
CA000613676A 1988-09-28 1989-09-27 Gerotor pumps Expired - Fee Related CA1333857C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB888822696A GB8822696D0 (en) 1988-09-28 1988-09-28 Improvements relating to gerotor pumps
GB8822696.4 1988-09-28
GB8913368.0 1989-06-09
GB8913368A GB2223275B (en) 1988-09-28 1989-06-09 Improvements relating to gerotor pumps

Publications (1)

Publication Number Publication Date
CA1333857C true CA1333857C (en) 1995-01-10

Family

ID=26294448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000613676A Expired - Fee Related CA1333857C (en) 1988-09-28 1989-09-27 Gerotor pumps

Country Status (15)

Country Link
EP (1) EP0361716B1 (es)
JP (1) JPH02185682A (es)
AR (1) AR247277A1 (es)
AU (1) AU617002B2 (es)
BR (1) BR8904894A (es)
CA (1) CA1333857C (es)
DE (1) DE68908826T2 (es)
DK (1) DK172577B1 (es)
ES (1) ES2045459T3 (es)
FI (1) FI98949C (es)
IE (1) IE62731B1 (es)
IN (1) IN176246B (es)
NO (1) NO893845L (es)
NZ (1) NZ230719A (es)
PT (1) PT91814B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69108289T2 (de) * 1990-05-12 1995-08-03 Concentric Pumps Ltd Gerotorpumpen.
GB9015291D0 (en) * 1990-07-11 1990-08-29 Concentric Pumps Ltd Improvements in gerotor pumps
GB9217540D0 (en) * 1992-08-18 1992-09-30 Concentric Pumps Ltd Imprivements relating to pumps
DE29710407U1 (de) * 1996-11-12 1997-07-31 Voith Turbo GmbH & Co. KG, 89522 Heidenheim Innenzahnradpumpe mit Antrieb über das Hohlrad
GB2386171A (en) * 2002-03-06 2003-09-10 Concentric Pumps Ltd Transmission pump
DE102006008757A1 (de) * 2006-02-24 2007-08-30 Daimlerchrysler Ag Förderpumpe in einem Kraftfahrzeug
RU2472970C1 (ru) * 2011-10-11 2013-01-20 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Героторный насос с торцовым входом
CN105065259B (zh) * 2015-08-27 2018-02-23 天津雷沃动力有限公司 一种柴油机机油泵的润滑结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU444432B2 (en) * 1967-10-23 1974-01-04 Improved Mechanical Products Proprietary Limited Gear type fluid motor or pump
JPS6029604Y2 (ja) * 1981-06-16 1985-09-06 富士重工業株式会社 内燃機関の潤滑油ポンプ
YU42768B (en) * 1982-05-31 1988-12-31 Tomos Koper Oil pump for pressure lubrication of a four stroke internal combustion engine
DE3504306A1 (de) * 1984-02-16 1985-08-22 Volkswagenwerk Ag, 3180 Wolfsburg Pumpe, insbesondere oelpumpe fuer eine brennkraftmaschine
DE3506928C2 (de) * 1985-02-27 1993-12-23 Schwaebische Huettenwerke Gmbh Innenzahnradpumpe als Schmierölpumpe für einen Verbrennungsmotor

Also Published As

Publication number Publication date
AU617002B2 (en) 1991-11-14
DE68908826D1 (de) 1993-10-07
DK471889D0 (da) 1989-09-26
JPH02185682A (ja) 1990-07-20
DK172577B1 (da) 1999-02-01
IN176246B (es) 1996-03-23
EP0361716B1 (en) 1993-09-01
EP0361716A3 (en) 1990-07-11
IE893087L (en) 1990-03-28
BR8904894A (pt) 1990-05-08
ES2045459T3 (es) 1994-01-16
DK471889A (da) 1990-03-29
EP0361716A2 (en) 1990-04-04
PT91814A (pt) 1990-03-30
FI98949C (fi) 1997-09-10
PT91814B (pt) 1995-08-09
FI98949B (fi) 1997-05-30
NO893845L (no) 1990-03-29
FI894603A (fi) 1990-03-29
IE62731B1 (en) 1995-02-22
NO893845D0 (no) 1989-09-27
FI894603A0 (fi) 1989-09-28
NZ230719A (en) 1991-09-25
DE68908826T2 (de) 1993-12-23
AR247277A1 (es) 1994-11-30
AU4128789A (en) 1990-04-05

Similar Documents

Publication Publication Date Title
US4259045A (en) Gear pump or motor units with sleeve coupling for shafts
EP0345978B1 (en) Improvements relating to gerotor pumps
US4976595A (en) Trochoid pump with radial clearances between the inner and outer rotors and between the outer rotor and the housing
US20200208629A1 (en) Pump assembly having two pumps provided in a single housing
US5472321A (en) Fuel pump having an impeller with axially balanced forces acting thereon
CA1333857C (en) Gerotor pumps
US5215165A (en) Oil pump
US4909714A (en) Pressure balanced external gear pump or motor of floating shaft type
US5085561A (en) Gas removal pump for liquid
US4527968A (en) Vane-type pump with rotatable casing therein driven from pump shaft
US4035113A (en) Gerotor device with lubricant system
US4824347A (en) Internal gear machine with reinforced housing
GB2223275A (en) Gerotor pumps
US6699024B2 (en) Hydraulic motor
US5252047A (en) Gear pump with controlled clamping force
JPH06123288A (ja) ギヤポンプ
EP0467571A1 (en) Improvements in gerotor pumps
KR100310922B1 (ko) 스크롤형압축기
GB2110759A (en) Rotary positive-displacement fluid-machines
EP1199475A2 (en) Vacuum pump
EP0701661B1 (en) Gear pump with controlled clamping force
EP2140141B1 (en) Dual stage pump having intermittent mid-shaft load supports
US3552893A (en) Rotary casing orbital gear-rotor motor
EP0240739B1 (en) Scroll type compressor with lubricating system
KR19990000968A (ko) 자동차용 동력 조향장치의 오일 펌프구조

Legal Events

Date Code Title Description
MKLA Lapsed