BE778504A - PERFECTIONED GEAR PUMP - Google Patents

PERFECTIONED GEAR PUMP

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

French (fr)

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/en

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 PERFECTIONED GEAR PUMP BE778504A (en)

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 (en)	1972-05-16

Family

ID=22331630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE778504A BE778504A (en)	1971-01-27	1972-01-26	PERFECTIONED GEAR PUMP

Country Status (8)

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

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 (en) *	1990-04-26	1993-09-07	Fiatgeotech	GEAR PUMP.
US5190450A (en) *	1992-03-06	1993-03-02	Eastman Kodak Company	Gear pump for high viscosity materials
DE4225804C2 (en) *	1992-08-05	1998-12-24	Bosch Gmbh Robert	Gear machine
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 (en) *	2009-02-16	2010-08-17	Fluid O Tech Srl	VOLUMETRIC PUMP WITH REFINED GEARS
DE102015117562A1 (en) *	2014-10-16	2016-04-21	Johnson Electric S.A.	gear pump
CN109322821B (en) *	2018-10-09	2023-07-04	宿迁学院	Combined structure for eliminating radial force of gear pump
CN114017313B (en) *	2021-11-26	2023-08-22	宁波邦威泵业有限公司	Cam type double-rotor pump

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 (en) *	1957-11-09	1962-08-09	Bosch Gmbh Robert	Gear pump
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 (en) *	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 IT IT47952/72A patent/IT948331B/en active
- 1972-01-26 BE BE778504A patent/BE778504A/en not_active IP Right Cessation
- 1972-01-26 GB GB357072A patent/GB1372482A/en not_active Expired
- 1972-01-27 CH CH120172A patent/CH539782A/en not_active IP Right Cessation
- 1972-01-27 DE DE19722203820 patent/DE2203820A1/en active Pending

Also Published As

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

Legal Events

Date

Code

Title

Description

1989-07-31

RE

Patent lapsed

Owner name: SUNDSTRAND CORP.

Effective date: 19890131

Publication	Publication Date	Title
BE788703A (en)	1973-01-02	PERISTALTIC PUMP
IT955320B (en)	1973-09-29	EPICYCLOID GEAR
IT974606B (en)	1974-07-10	GEAR COMPLEX DEVICE
AR192257A1 (en)	1973-02-08	A DENTIFRIC
BE778504A (en)	1972-05-16	PERFECTIONED GEAR PUMP
SE385314B (en)	1976-06-21	FUEL PUMP
IT962848B (en)	1973-12-31	GEAR PUMP
IT992955B (en)	1975-09-30	GEAR PUMP
CH517252A (en)	1971-12-31	Gear pump
IT950005B (en)	1973-06-20	PUMP
IT950586B (en)	1973-06-20	IMPROVEMENT IN GEAR PUMPS
DE7114577U (en)	1972-09-28	DISPLACEMENT PUMP
CH550940A (en)	1974-06-28	PISTON PUMP.
SE383022B (en)	1976-02-23	ROTATION PUMP
BE778503A (en)	1972-05-16	GEAR PUMP
FR2329160A5 (en)	1977-05-20	GEAR PUMP
BR7204278D0 (en)	1973-05-10	A MULTIPLENOR
FR2279954A1 (en)	1976-02-20	PROPELLER PUMP
CH545417A (en)	1973-12-15	Rotary piston pump
AR193246A1 (en)	1973-04-11	A DENTIFRIC
FR2290588A1 (en)	1976-06-04	GEAR PUMP
BE783139A (en)	1972-09-01	PUMP
IT963273B (en)	1974-01-10	HYDROSTATIC MECHANISM
BE775832A (en)	1972-03-16	GEAR PUMP
IT1010023B (en)	1977-01-10	GEAR PUMP