DE59400284D1 - Zahnradpumpe und deren Verwendung - Google Patents

Zahnradpumpe und deren Verwendung

Info

Publication number
DE59400284D1
DE59400284D1 DE59400284T DE59400284T DE59400284D1 DE 59400284 D1 DE59400284 D1 DE 59400284D1 DE 59400284 T DE59400284 T DE 59400284T DE 59400284 T DE59400284 T DE 59400284T DE 59400284 D1 DE59400284 D1 DE 59400284D1
Authority
DE
Germany
Prior art keywords
recess
product channel
walling
product
plane
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.)
Expired - Fee Related
Application number
DE59400284T
Other languages
English (en)
Inventor
Roger Dr Ing Stehr
Peter Blume
Marco Benetti
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.)
Maag Pump Systems AG
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.)
Filing date
Publication date
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=DE59400284(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maag Pump Systems AG filed Critical Maag Pump Systems AG
Application granted granted Critical
Publication of DE59400284D1 publication Critical patent/DE59400284D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE59400284T 1994-04-07 1994-04-07 Zahnradpumpe und deren Verwendung Expired - Fee Related DE59400284D1 (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
DE59400284D1 true DE59400284D1 (de) 1996-06-20

Family

ID=8215838

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59400284T Expired - Fee Related DE59400284D1 (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
DK0677660T3 (da) * 1994-04-07 1996-06-03 Maag Pump Systems Ag Tandhjulspumpe og dennes anvendelse
AU760694B2 (en) * 1998-10-01 2003-05-22 Dow Global Technologies Inc. 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
DK0677660T3 (da) * 1994-04-07 1996-06-03 Maag Pump Systems Ag Tandhjulspumpe og dennes anvendelse

Also Published As

Publication number Publication date
US5547356A (en) 1996-08-20
ES2087780T3 (es) 1996-07-16
JPH07279861A (ja) 1995-10-27
DK0677660T3 (da) 1996-06-03
ATE138159T1 (de) 1996-06-15
EP0677660A1 (de) 1995-10-18
EP0677660B1 (de) 1996-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MAAG PUMP SYSTEMS TEXTRON AG, ZUERICH, CH

8339 Ceased/non-payment of the annual fee