AU640031B2 - Improvements in gerotor pumps - Google Patents

Improvements in gerotor pumps Download PDF

Info

Publication number
AU640031B2
AU640031B2 AU81025/91A AU8102591A AU640031B2 AU 640031 B2 AU640031 B2 AU 640031B2 AU 81025/91 A AU81025/91 A AU 81025/91A AU 8102591 A AU8102591 A AU 8102591A AU 640031 B2 AU640031 B2 AU 640031B2
Authority
AU
Australia
Prior art keywords
annulus
rotor
pump
male
lobes
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.)
Ceased
Application number
AU81025/91A
Other languages
English (en)
Other versions
AU8102591A (en
Inventor
Richard Robert Freeman
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
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Publication of AU8102591A publication Critical patent/AU8102591A/en
Application granted granted Critical
Publication of AU640031B2 publication Critical patent/AU640031B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
AU81025/91A 1990-07-11 1991-07-05 Improvements in gerotor pumps Ceased AU640031B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909015291A GB9015291D0 (en) 1990-07-11 1990-07-11 Improvements in gerotor pumps
GB9015291 1990-07-11

Publications (2)

Publication Number Publication Date
AU8102591A AU8102591A (en) 1992-02-04
AU640031B2 true AU640031B2 (en) 1993-08-12

Family

ID=10678959

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81025/91A Ceased AU640031B2 (en) 1990-07-11 1991-07-05 Improvements in gerotor pumps

Country Status (13)

Country Link
EP (1) EP0467571A1 (fi)
JP (1) JPH06501292A (fi)
KR (1) KR930701692A (fi)
AR (1) AR244857A1 (fi)
AU (1) AU640031B2 (fi)
BR (1) BR9106626A (fi)
CA (1) CA2046376A1 (fi)
FI (1) FI925372A (fi)
GB (2) GB9015291D0 (fi)
IE (1) IE912415A1 (fi)
PT (1) PT98231A (fi)
WO (1) WO1992001161A1 (fi)
ZA (1) ZA915264B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123190A1 (de) * 1991-06-07 1992-12-10 Schwaebische Huettenwerke Gmbh Zahnradpumpe fuer oel fuer einen verbrennungsmotor, insbesondere fuer kraftfahrzeuge
DE19807630A1 (de) 1998-02-23 1999-08-26 Bayer Ag Wasserhaltige Mittel zur Bekämpfung parasitierender Insekten und Milben an Menschen
US6152717A (en) * 1998-06-11 2000-11-28 Unisia Jecs Corporation Internal gear pumps
US7410349B2 (en) * 2004-10-26 2008-08-12 Magna Powertrain Usa, Inc. High efficiency gerotor pump
JP5497996B2 (ja) 2008-05-26 2014-05-21 日本電信電話株式会社 導波路型デバイスにおける導波路終端方法
DE102016213611B4 (de) * 2016-07-25 2022-12-01 Zf Friedrichshafen Ag Rotorpumpe und Anordnung zum Antrieb einer Rotorpumpe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100354A (en) * 1981-06-16 1982-12-22 Fuji Heavy Ind Ltd An internal-combustion engine oil pump
AU614639B2 (en) * 1988-06-09 1991-09-05 Concentric Pumps Limited Improvements relating to gerotor pumps
AU617002B2 (en) * 1988-09-28 1991-11-14 Concentric Pumps Limited Improvements relating to gerotor pumps

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR566247A (fr) * 1923-04-26 1924-02-11 Hill Engineering Co Inc Rotors conjugués
US1486836A (en) * 1923-04-28 1924-03-11 Hill Compressor & Pump Company Rotary-pump pressure control
GB233423A (en) * 1924-02-07 1925-05-07 Hill Compressor & Pump Co Inc Improvements in or relating to rotary pumps or the like
GB331054A (en) * 1929-01-03 1930-07-03 Thomas Winter Nichols Improvements in rotary pumps, compressors and the like
GB370474A (en) * 1930-12-11 1932-04-11 Thomas Winter Nichols Improvements in rotary pumps
GB404424A (en) * 1932-10-19 1934-01-18 Aladar Ledacskiss Improvements in or relating to rotary toothed-wheel engines
US3121341A (en) * 1960-05-25 1964-02-18 Francis A Hill Gears with rigid molded surfaces
IT1118556B (it) * 1979-04-12 1986-03-03 Whitehead Moto Fides Spa Stabi Procedimento per la realizzazione di una pompa meccanica rotativa e relativa pompa ottenuta
DE3603773A1 (de) * 1986-01-03 1987-07-09 Schwaebische Huettenwerke Gmbh Zahnradmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100354A (en) * 1981-06-16 1982-12-22 Fuji Heavy Ind Ltd An internal-combustion engine oil pump
AU614639B2 (en) * 1988-06-09 1991-09-05 Concentric Pumps Limited Improvements relating to gerotor pumps
AU617002B2 (en) * 1988-09-28 1991-11-14 Concentric Pumps Limited Improvements relating to gerotor pumps

Also Published As

Publication number Publication date
KR930701692A (ko) 1993-06-12
EP0467571A1 (en) 1992-01-22
GB9015291D0 (en) 1990-08-29
ZA915264B (en) 1992-04-29
JPH06501292A (ja) 1994-02-10
FI925372A0 (fi) 1992-11-26
BR9106626A (pt) 1993-06-01
IE912415A1 (en) 1992-01-15
FI925372A (fi) 1992-11-26
PT98231A (pt) 1993-08-31
CA2046376A1 (en) 1992-01-12
AR244857A1 (es) 1993-11-30
WO1992001161A1 (en) 1992-01-23
GB9114604D0 (en) 1991-08-21
GB2245935A (en) 1992-01-15
AU8102591A (en) 1992-02-04

Similar Documents

Publication Publication Date Title
AU614639B2 (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
EP0083491A1 (en) Gerotor pumps
US6422845B1 (en) Rotary hydraulic vane pump with improved undervane porting
US4505649A (en) Vane pumps
AU640031B2 (en) Improvements in gerotor pumps
US4917052A (en) Water pump apparatus in an internal combustion engine
US20080253913A1 (en) Vane Pump
EP1074741A1 (en) Cartridge vane pump with dual side fluid feed and single side inlet
US6886665B2 (en) Lubrication system valve
EP1013932A3 (en) Roller vane pump
CN108223362A (zh) 具有一个或多个受限较少的叶片的叶片泵
JP2002048215A (ja) 静油圧式無段変速機
EP0361716B1 (en) Improvements relating to gerotor pumps
WO2010123556A2 (en) Vane pump with improved rotor and vane extension ring
CA2295932A1 (en) Improved rotor for blood pump
EP1760316A3 (en) Mechanically driven roller vane pump
GB2110759A (en) Rotary positive-displacement fluid-machines
EP0841485A1 (en) Variable flow pump
EP0781924A3 (en) Fixed-displacement vane-type hydraulic machine
US6835056B2 (en) Roller vane pump incorporating a bearing bush
EP1710436A1 (en) Internal gear pump
GB2223275A (en) Gerotor pumps
CN211777987U (zh) 发动机的油泵
US4548561A (en) Rotary hydraulic machine with a multiplicity of axially aligned chambers

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired