CA1333857C - Gerotor pumps - Google Patents

Gerotor pumps

Info

Publication number: CA1333857C
Authority: CA; Canada
Prior art keywords: rotor; annulus; shaft; journalled; pump
Prior art date: 1988-09-28
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.)

1988-09-28

Filing date

1989-09-27

Publication date

1995-01-10

1988-09-28 Priority claimed from GB888822696A external-priority patent/GB8822696D0/en

1989-09-27 Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd

1995-01-10 Application granted granted Critical

1995-01-10 Publication of CA1333857C publication Critical patent/CA1333857C/en

2012-01-10 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
GB8822696.4		1988-09-28
GB888822696A GB8822696D0 (en)	1988-09-28	1988-09-28	Improvements relating to gerotor pumps
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 (sv)
JP (1)	JPH02185682A (sv)
AR (1)	AR247277A1 (sv)
AU (1)	AU617002B2 (sv)
BR (1)	BR8904894A (sv)
CA (1)	CA1333857C (sv)
DE (1)	DE68908826T2 (sv)
DK (1)	DK172577B1 (sv)
ES (1)	ES2045459T3 (sv)
FI (1)	FI98949C (sv)
IE (1)	IE62731B1 (sv)
IN (1)	IN176246B (sv)
NO (1)	NO893845L (sv)
NZ (1)	NZ230719A (sv)
PT (1)	PT91814B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2070429T3 (es) *	1990-05-12	1995-06-01	Concentric Pumps Ltd	Bombas de gerrotor.
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

1989
- 1989-09-08 DE DE89309135T patent/DE68908826T2/de not_active Expired - Fee Related
- 1989-09-08 EP EP89309135A patent/EP0361716B1/en not_active Expired - Lifetime
- 1989-09-08 ES ES89309135T patent/ES2045459T3/es not_active Expired - Lifetime
- 1989-09-12 IN IN815DE1989 patent/IN176246B/en unknown
- 1989-09-12 AU AU41287/89A patent/AU617002B2/en not_active Ceased
- 1989-09-20 NZ NZ230719A patent/NZ230719A/xx unknown
- 1989-09-22 JP JP1247898A patent/JPH02185682A/ja active Pending
- 1989-09-26 DK DK198904718A patent/DK172577B1/da not_active IP Right Cessation
- 1989-09-26 PT PT91814A patent/PT91814B/pt not_active IP Right Cessation
- 1989-09-27 BR BR898904894A patent/BR8904894A/pt not_active IP Right Cessation
- 1989-09-27 NO NO89893845A patent/NO893845L/no unknown
- 1989-09-27 CA CA000613676A patent/CA1333857C/en not_active Expired - Fee Related
- 1989-09-27 IE IE308789A patent/IE62731B1/en not_active IP Right Cessation
- 1989-09-28 AR AR89315038A patent/AR247277A1/es active
- 1989-09-28 FI FI894603A patent/FI98949C/sv not_active IP Right Cessation

Also Published As

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

Publication	Publication Date	Title
US4259045A (en)	1981-03-31	Gear pump or motor units with sleeve coupling for shafts
US4986739A (en)	1991-01-22	Gerotor pump having axial fluid transfer passages through the lobes
US4976595A (en)	1990-12-11	Trochoid pump with radial clearances between the inner and outer rotors and between the outer rotor and the housing
EP0601751A1 (en)	1994-06-15	Electric-motor in-line integrated hydraulic pump
CA3124623A1 (en)	2020-07-09	Pump assembly having two pumps provided in a single housing
CA1333857C (en)	1995-01-10	Gerotor pumps
US5215165A (en)	1993-06-01	Oil pump
US4909714A (en)	1990-03-20	Pressure balanced external gear pump or motor of floating shaft type
US5085561A (en)	1992-02-04	Gas removal pump for liquid
US7017340B2 (en)	2006-03-28	Hydrokinetic torque converter for an automatic vehicle transmission
US4527968A (en)	1985-07-09	Vane-type pump with rotatable casing therein driven from pump shaft
US4035113A (en)	1977-07-12	Gerotor device with lubricant system
US4824347A (en)	1989-04-25	Internal gear machine with reinforced housing
GB2223275A (en)	1990-04-04	Gerotor pumps
US6699024B2 (en)	2004-03-02	Hydraulic motor
AU640031B2 (en)	1993-08-12	Improvements in gerotor pumps
US5252047A (en)	1993-10-12	Gear pump with controlled clamping force
JPH06123288A (ja)	1994-05-06	ギヤポンプ
KR100310922B1 (ko)	2002-06-20	스크롤형압축기
GB2110759A (en)	1983-06-22	Rotary positive-displacement fluid-machines
EP1199475A2 (en)	2002-04-24	Vacuum pump
EP0701661B1 (en)	1997-11-12	Gear pump with controlled clamping force
US3552893A (en)	1971-01-05	Rotary casing orbital gear-rotor motor
EP0240739B1 (en)	1991-03-20	Scroll type compressor with lubricating system
KR19990000968A (ko)	1999-01-15	자동차용 동력 조향장치의 오일 펌프구조

Legal Events

Date	Code	Title	Description
2003-01-10	MKLA	Lapsed