BE778504A - Pompe perfectionnee a engrenage - Google Patents

Pompe perfectionnee a engrenage

Info

Publication number: BE778504A
Authority: BE; Belgium
Prior art keywords: perfectioned; gear pump; gear; pump; perfectioned gear
Prior art date: 1971-01-27

Application number

BE778504A

Other languages

English (en)

Inventor

F W Pollman

L R Frandsen

C D Throckmorton

Original Assignee

Sundstrand Corp

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.)

1971-01-27

Filing date

1972-01-26

Publication date

1972-05-16

1972-01-26 Application filed by Sundstrand Corp filed Critical Sundstrand Corp

1972-05-16 Publication of BE778504A publication Critical patent/BE778504A/fr

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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
- F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)
Details And Applications Of Rotary Liquid Pumps (AREA)

BE778504A 1971-01-27 1972-01-26 Pompe perfectionnee a engrenage BE778504A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US11017971A	1971-01-27	1971-01-27

Publications (1)

Publication Number	Publication Date
BE778504A true BE778504A (fr)	1972-05-16

Family

ID=22331630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE778504A BE778504A (fr)	1971-01-27	1972-01-26	Pompe perfectionnee a engrenage

Country Status (8)

Country	Link
US (1)	US3690793A (fr)
BE (1)	BE778504A (fr)
CA (1)	CA966723A (fr)
CH (1)	CH539782A (fr)
DE (1)	DE2203820A1 (fr)
FR (1)	FR2124855A5 (fr)
GB (1)	GB1372482A (fr)
IT (1)	IT948331B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1572467A (en) *	1977-02-01	1980-07-30	Hamworthy Hydraulics Ltd	Gear pumps
US4337018A (en) *	1980-01-29	1982-06-29	Commercial Shearing, Inc.	Rotary impeller pump or motor with counterbalancing chamber in thrust plate bearing counterbore
US4392798A (en) *	1981-04-03	1983-07-12	General Signal Corporation	Gear pump or motor with low pressure bearing lubrication
US4927343A (en) *	1988-10-06	1990-05-22	Permco, Inc.	Lubrication of gear pump trunnions
US5076770A (en) *	1990-04-13	1991-12-31	Allied-Signal Inc.	Gear pump having improved low temperature operation
IT1238912B (it) *	1990-04-26	1993-09-07	Fiatgeotech	Pompa ad ingranaggi.
US5190450A (en) *	1992-03-06	1993-03-02	Eastman Kodak Company	Gear pump for high viscosity materials
DE4225804C2 (de) *	1992-08-05	1998-12-24	Bosch Gmbh Robert	Zahnradmaschine
US5702234A (en) *	1995-12-01	1997-12-30	Micropump, Inc.	Fluid pump with bearing set having lubrication path
US6135741A (en) *	1998-12-23	2000-10-24	Parker-Hannifin Corporation	Recirculating flow path for gear pump
US6716011B2 (en)	2001-06-14	2004-04-06	Monarch Hydraulics, Inc.	Hydraulic pump utilizing floating shafts
GB0318584D0 (en) *	2003-08-07	2003-09-10	Mcgill Tech Ltd	Mixing apparatus
ITMI20090045U1 (it) *	2009-02-16	2010-08-17	Fluid O Tech Srl	Pompa volumetrica ad ingranaggi perfezionata
CN105526160A (zh) *	2014-10-16	2016-04-27	德昌电机(深圳)有限公司	齿轮泵
CN109322821B (zh) *	2018-10-09	2023-07-04	宿迁学院	一种用于消除齿轮泵径向力的组合结构
CN114017313B (zh) *	2021-11-26	2023-08-22	宁波邦威泵业有限公司	一种凸轮式双转子泵

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2885965A (en) *	1955-03-21	1959-05-12	Borg Warner	Pressure loaded pump lubricating means
DE1134590B (de) *	1957-11-09	1962-08-09	Bosch Gmbh Robert	Zahnradpumpe
US3156191A (en) *	1960-12-23	1964-11-10	Clark Equipment Co	Sealing means for pumps and motors
US3196800A (en) *	1962-12-13	1965-07-27	Parker Hannifin Corp	Gear pump
US3145661A (en) *	1962-12-19	1964-08-25	New York Air Brake Co	Pump
GB1232590A (fr) *	1967-08-21	1971-05-19

1971
- 1971-01-27 US US110179A patent/US3690793A/en not_active Expired - Lifetime
1972
- 1972-01-18 CA CA132,646A patent/CA966723A/en not_active Expired
- 1972-01-25 FR FR7202467A patent/FR2124855A5/fr not_active Expired
- 1972-01-26 BE BE778504A patent/BE778504A/fr not_active IP Right Cessation
- 1972-01-26 IT IT47952/72A patent/IT948331B/it active
- 1972-01-26 GB GB357072A patent/GB1372482A/en not_active Expired
- 1972-01-27 CH CH120172A patent/CH539782A/de not_active IP Right Cessation
- 1972-01-27 DE DE19722203820 patent/DE2203820A1/de active Pending

Also Published As

Publication number	Publication date
IT948331B (it)	1973-05-30
GB1372482A (en)	1974-10-30
CA966723A (en)	1975-04-29
DE2203820A1 (de)	1972-09-07
US3690793A (en)	1972-09-12
FR2124855A5 (fr)	1972-09-22
CH539782A (de)	1973-07-31

Legal Events

Date

Code

Title

Description

1989-07-31

RE

Patent lapsed

Owner name: SUNDSTRAND CORP.

Effective date: 19890131

Publication	Publication Date	Title
BE788703A (fr)	1973-01-02	Pompe peristaltique
IT960937B (it)	1973-11-30	Pompa
IT955320B (it)	1973-09-29	Ingranaggio epicicloidale
IT974606B (it)	1974-07-10	Dispositivo a complesso di ingranaggi
BE778504A (fr)	1972-05-16	Pompe perfectionnee a engrenage
SE385314B (sv)	1976-06-21	Brenslepump
AR192257A1 (es)	1973-02-08	Un dentifrico
IT992955B (it)	1975-09-30	Pompa ad ingranaggi
IT962848B (it)	1973-12-31	Pompa ad ingranaggi
CH517252A (de)	1971-12-31	Zahnradpumpe
IT950005B (it)	1973-06-20	Pompa
SE383022B (sv)	1976-02-23	Rotationspump
AR208165A1 (es)	1976-12-09	Un motor hidraulico
DE7114577U (de)	1972-09-28	Verdraengerpumpe
BE778503A (fr)	1972-05-16	Pompe a engrenage
CH550940A (fr)	1974-06-28	Pompe a piston.
FR2279954A1 (fr)	1976-02-20	Pompe a helice
CH545417A (de)	1973-12-15	Rotationskolbenpumpe
FR2329160A5 (fr)	1977-05-20	Pompe a engrenage
BR7204278D0 (pt)	1973-05-10	Um multiplenor
AR193246A1 (es)	1973-04-11	Un dentifrico
FR2290588A1 (fr)	1976-06-04	Pompe a engrenages
BE775832A (fr)	1972-03-16	Pompe a engrenages
BE783139A (fr)	1972-09-01	Pompe
IT963273B (it)	1974-01-10	Meccanismo idrostatico