ATE138159T1 - Zahnradpumpe und deren verwendung - Google Patents

Zahnradpumpe und deren verwendung

Info

Publication number: ATE138159T1
Authority: AT; Austria
Prior art keywords: recess; product channel; walling; product; plane
Prior art date: 1994-04-07

Application number

AT94105347T

Other languages

English (en)

Inventor

Roger Dr-Ing Stehr

Peter Blume

Marco Benetti

Original Assignee

Maag Pump Systems Ag

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.)

1994-04-07

Filing date

1994-04-07

Publication date

1996-06-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8215838&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE138159(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1994-04-07 Application filed by Maag Pump Systems Ag filed Critical Maag Pump Systems Ag

1996-06-15 Application granted granted Critical

1996-06-15 Publication of ATE138159T1 publication Critical patent/ATE138159T1/de

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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
- F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
- 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)
Lubrication Of Internal Combustion Engines (AREA)
Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Or Details Of Rotary Compressors (AREA)

AT94105347T 1994-04-07 1994-04-07 Zahnradpumpe und deren verwendung ATE138159T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP94105347A EP0677660B1 (de)	1994-04-07	1994-04-07	Zahnradpumpe und deren Verwendung

Publications (1)

Publication Number	Publication Date
ATE138159T1 true ATE138159T1 (de)	1996-06-15

Family

ID=8215838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94105347T ATE138159T1 (de)	1994-04-07	1994-04-07	Zahnradpumpe und deren verwendung

Country Status (7)

Country	Link
US (1)	US5547356A (de)
EP (1)	EP0677660B1 (de)
JP (1)	JPH07279861A (de)
AT (1)	ATE138159T1 (de)
DE (1)	DE59400284D1 (de)
DK (1)	DK0677660T3 (de)
ES (1)	ES2087780T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE138159T1 (de) *	1994-04-07	1996-06-15	Maag Pump Systems Ag	Zahnradpumpe und deren verwendung
CA2343238C (en) *	1998-10-01	2007-07-10	The Dow Chemical Company	High efficiency gear pump for pumping highly viscous fluids
US6179594B1 (en)	1999-05-03	2001-01-30	Dynisco, Inc.	Air-cooled shaft seal
US6213745B1 (en)	1999-05-03	2001-04-10	Dynisco	High-pressure, self-lubricating journal bearings
DE10135709C1 (de) *	2001-07-21	2003-02-13	Hartmut Hasse	Universelle zwangsgeschmierte Gleitlagerung für eine Zahnradpumpe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE366152C (de) *		1922-12-30	Bbc Brown Boveri & Cie	Einrichtung zur Vermeidung der Quetschwirkung bei Zahnrad-OElpumpen
US3113524A (en) *	1961-12-26	1963-12-10	Roper Hydraulics Inc	Gear pump with trapping reliefs
US3303792A (en) *	1964-04-20	1967-02-14	Roper Ind Inc	Gear pump with trapping reliefs
DE2510496C3 (de) *	1975-03-11	1978-07-20	Robert Bosch Gmbh, 7000 Stuttgart	Zahnradmaschine (Pumpe oder Motor)
US4737087A (en) *	1984-12-10	1988-04-12	Barmag Ag	Drive shaft seal for gear pump and method
GB2169350B (en)	1985-01-05	1989-06-21	Hepworth Plastics Ltd	Gear pumps
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
ATE138159T1 (de) *	1994-04-07	1996-06-15	Maag Pump Systems Ag	Zahnradpumpe und deren verwendung

1994
- 1994-04-07 AT AT94105347T patent/ATE138159T1/de not_active IP Right Cessation
- 1994-04-07 EP EP94105347A patent/EP0677660B1/de not_active Expired - Lifetime
- 1994-04-07 DK DK94105347.2T patent/DK0677660T3/da active
- 1994-04-07 DE DE59400284T patent/DE59400284D1/de not_active Expired - Fee Related
- 1994-04-07 ES ES94105347T patent/ES2087780T3/es not_active Expired - Lifetime
1995
- 1995-04-06 JP JP7081365A patent/JPH07279861A/ja active Pending
- 1995-04-07 US US08/417,853 patent/US5547356A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ES2087780T3 (es)	1996-07-16
EP0677660B1 (de)	1996-05-15
DK0677660T3 (da)	1996-06-03
DE59400284D1 (de)	1996-06-20
US5547356A (en)	1996-08-20
JPH07279861A (ja)	1995-10-27
EP0677660A1 (de)	1995-10-18

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Legal Events

Date	Code	Title	Description
2009-01-15	REN	Ceased due to non-payment of the annual fee