EP0361716A3 - Improvements relating to gerotor pumps - Google Patents

Improvements relating to gerotor pumps Download PDF

Info

Publication number
EP0361716A3
EP0361716A3 EP89309135A EP89309135A EP0361716A3 EP 0361716 A3 EP0361716 A3 EP 0361716A3 EP 89309135 A EP89309135 A EP 89309135A EP 89309135 A EP89309135 A EP 89309135A EP 0361716 A3 EP0361716 A3 EP 0361716A3
Authority
EP
European Patent Office
Prior art keywords
improvements relating
gerotor pumps
gerotor
pumps
relating
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.)
Granted
Application number
EP89309135A
Other versions
EP0361716A2 (en
EP0361716B1 (en
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
Priority to AT89309135T priority Critical patent/ATE93933T1/en
Publication of EP0361716A2 publication Critical patent/EP0361716A2/en
Publication of EP0361716A3 publication Critical patent/EP0361716A3/en
Application granted granted Critical
Publication of EP0361716B1 publication Critical patent/EP0361716B1/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
    • 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
EP89309135A 1988-09-28 1989-09-08 Improvements relating to gerotor pumps Expired - Lifetime EP0361716B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89309135T ATE93933T1 (en) 1988-09-28 1989-09-08 GEROTOR PUMPS.

Applications Claiming Priority (4)

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

Publications (3)

Publication Number Publication Date
EP0361716A2 EP0361716A2 (en) 1990-04-04
EP0361716A3 true EP0361716A3 (en) 1990-07-11
EP0361716B1 EP0361716B1 (en) 1993-09-01

Family

ID=26294448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89309135A Expired - Lifetime EP0361716B1 (en) 1988-09-28 1989-09-08 Improvements relating to gerotor pumps

Country Status (15)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE120257T1 (en) * 1990-05-12 1995-04-15 Concentric Pumps Ltd GEROTOR PUMPS.
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 (en) * 1996-11-12 1997-07-31 Voith Turbo Kg Internal gear pump with drive via the ring gear
GB2386171A (en) * 2002-03-06 2003-09-10 Concentric Pumps Ltd Transmission pump
DE102006008757A1 (en) * 2006-02-24 2007-08-30 Daimlerchrysler Ag Water pump, for a vehicle motor, is within the hollow zone of the function wheel journal coupled to a drive by a shaft through the journal wall
RU2472970C1 (en) * 2011-10-11 2013-01-20 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Screw pump with end face inlet
CN105065259B (en) * 2015-08-27 2018-02-23 天津雷沃动力有限公司 A kind of lubrication system of diesel engine oil pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252446A (en) * 1967-10-23 1971-11-03
FR2527683A1 (en) * 1982-05-31 1983-12-02 Tovarna Motornih Vazil Tomos Four-stroke engine oil pump - has primary gear on hollow spindle and driven from centrifugal governor
DE3504306A1 (en) * 1984-02-16 1985-08-22 Volkswagenwerk Ag, 3180 Wolfsburg Pump, especially oil pump for an internal combustion engine
DE3506928A1 (en) * 1985-02-27 1986-08-28 Schwäbische Hüttenwerke GmbH, 7080 Aalen Internal gear pump as lubricating oil pump for an internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029604Y2 (en) * 1981-06-16 1985-09-06 富士重工業株式会社 Internal combustion engine lubricating oil pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252446A (en) * 1967-10-23 1971-11-03
FR2527683A1 (en) * 1982-05-31 1983-12-02 Tovarna Motornih Vazil Tomos Four-stroke engine oil pump - has primary gear on hollow spindle and driven from centrifugal governor
DE3504306A1 (en) * 1984-02-16 1985-08-22 Volkswagenwerk Ag, 3180 Wolfsburg Pump, especially oil pump for an internal combustion engine
DE3506928A1 (en) * 1985-02-27 1986-08-28 Schwäbische Hüttenwerke GmbH, 7080 Aalen Internal gear pump as lubricating oil pump for an internal combustion engine

Also Published As

Publication number Publication date
ES2045459T3 (en) 1994-01-16
EP0361716A2 (en) 1990-04-04
DK172577B1 (en) 1999-02-01
PT91814A (en) 1990-03-30
AU617002B2 (en) 1991-11-14
NO893845L (en) 1990-03-29
NZ230719A (en) 1991-09-25
JPH02185682A (en) 1990-07-20
IN176246B (en) 1996-03-23
AR247277A1 (en) 1994-11-30
IE893087L (en) 1990-03-28
DE68908826T2 (en) 1993-12-23
AU4128789A (en) 1990-04-05
FI98949C (en) 1997-09-10
IE62731B1 (en) 1995-02-22
DE68908826D1 (en) 1993-10-07
CA1333857C (en) 1995-01-10
EP0361716B1 (en) 1993-09-01
PT91814B (en) 1995-08-09
FI894603A (en) 1990-03-29
NO893845D0 (en) 1989-09-27
DK471889A (en) 1990-03-29
FI98949B (en) 1997-05-30
BR8904894A (en) 1990-05-08
FI894603A0 (en) 1989-09-28
DK471889D0 (en) 1989-09-26

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