GB1575328A - Gear pump or motor - Google Patents

Gear pump or motor Download PDF

Info

Publication number
GB1575328A
GB1575328A GB2137977A GB2137977A GB1575328A GB 1575328 A GB1575328 A GB 1575328A GB 2137977 A GB2137977 A GB 2137977A GB 2137977 A GB2137977 A GB 2137977A GB 1575328 A GB1575328 A GB 1575328A
Authority
GB
United Kingdom
Prior art keywords
point
tooth
wheel
contact
gear wheels
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
Application number
GB2137977A
Other languages
English (en)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1575328A publication Critical patent/GB1575328A/en
Expired 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
    • 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)
GB2137977A 1976-05-25 1977-05-20 Gear pump or motor Expired GB1575328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762623357 DE2623357A1 (de) 1976-05-25 1976-05-25 Zahnradmaschine (pumpe oder motor)

Publications (1)

Publication Number Publication Date
GB1575328A true GB1575328A (en) 1980-09-17

Family

ID=5978935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2137977A Expired GB1575328A (en) 1976-05-25 1977-05-20 Gear pump or motor

Country Status (4)

Country Link
DE (1) DE2623357A1 (enExample)
FR (1) FR2352947A1 (enExample)
GB (1) GB1575328A (enExample)
IT (1) IT1082090B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9303644B2 (en) 2013-11-26 2016-04-05 Woodward, Inc. Gear pump bearing dam
WO2020178163A1 (en) * 2019-03-02 2020-09-10 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Gear pump for venting trapped volume

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810563C2 (de) * 1978-03-10 1982-10-28 Theodorus Henricus Dipl.-Ing. Delft Korse Zahnradmaschine (Pumpe oder Motor)
IT1238912B (it) * 1990-04-26 1993-09-07 Fiatgeotech Pompa ad ingranaggi.
US5131829A (en) * 1991-06-19 1992-07-21 Eaton Corporation Trapped volume vent means for meshing lobes of roots-type supercharger
US5190450A (en) * 1992-03-06 1993-03-02 Eastman Kodak Company Gear pump for high viscosity materials
US6042352A (en) * 1998-08-12 2000-03-28 Argo-Tech Corporation Bearing with pulsed bleed configuration

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9303644B2 (en) 2013-11-26 2016-04-05 Woodward, Inc. Gear pump bearing dam
US9932980B2 (en) 2013-11-26 2018-04-03 Woodward, Inc. Gear pump bearing dam
WO2020178163A1 (en) * 2019-03-02 2020-09-10 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Gear pump for venting trapped volume
US11028847B2 (en) 2019-03-02 2021-06-08 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Gear pump for venting trapped volume

Also Published As

Publication number Publication date
DE2623357A1 (de) 1977-12-15
FR2352947B3 (enExample) 1980-03-28
IT1082090B (it) 1985-05-21
FR2352947A1 (fr) 1977-12-23

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee