DE69315227D1 - GEAR PUMP WITH ADJUSTABLE CLAMPING FORCE - Google Patents

GEAR PUMP WITH ADJUSTABLE CLAMPING FORCE

Info

Publication number
DE69315227D1
DE69315227D1 DE69315227T DE69315227T DE69315227D1 DE 69315227 D1 DE69315227 D1 DE 69315227D1 DE 69315227 T DE69315227 T DE 69315227T DE 69315227 T DE69315227 T DE 69315227T DE 69315227 D1 DE69315227 D1 DE 69315227D1
Authority
DE
Germany
Prior art keywords
clamping force
gear pump
adjustable clamping
adjustable
gear
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
DE69315227T
Other languages
German (de)
Other versions
DE69315227T2 (en
Inventor
Theodore Joy
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.)
Honeywell International Inc
Original Assignee
AlliedSignal Inc
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
Priority claimed from US08/033,708 external-priority patent/US5252047A/en
Application filed by AlliedSignal Inc filed Critical AlliedSignal Inc
Application granted granted Critical
Publication of DE69315227D1 publication Critical patent/DE69315227D1/en
Publication of DE69315227T2 publication Critical patent/DE69315227T2/en
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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DE69315227T 1992-09-16 1993-09-14 GEAR PUMP WITH ADJUSTABLE CLAMPING FORCE Expired - Fee Related DE69315227T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US94626492A 1992-09-16 1992-09-16
US08/033,708 US5252047A (en) 1992-09-16 1993-03-16 Gear pump with controlled clamping force
PCT/US1993/008671 WO1994007030A1 (en) 1992-09-16 1993-09-14 Gear pump with controlled clamping force

Publications (2)

Publication Number Publication Date
DE69315227D1 true DE69315227D1 (en) 1997-12-18
DE69315227T2 DE69315227T2 (en) 1998-03-19

Family

ID=26710034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315227T Expired - Fee Related DE69315227T2 (en) 1992-09-16 1993-09-14 GEAR PUMP WITH ADJUSTABLE CLAMPING FORCE

Country Status (4)

Country Link
EP (1) EP0701661B1 (en)
JP (1) JP2617096B2 (en)
DE (1) DE69315227T2 (en)
WO (1) WO1994007030A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356845B (en) * 2018-10-09 2023-06-23 宿迁学院 Axial leakage-free device for gear pump
US10962059B2 (en) 2019-06-17 2021-03-30 Hamilton Sundstrand Corporation Bearing with an eccentric seal groove
US10858940B1 (en) 2019-06-17 2020-12-08 Hamilton Sundstrand Corporation Bearing with an asymmetric pressure balance groove

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB739357A (en) * 1954-01-28 1955-10-26 Dowty Hydraulic Units Ltd Improvements relating to gear pumps
DE1553233A1 (en) * 1964-05-12 1970-05-21 Turoila Dr Ing Mario Gear pump
US3904333A (en) * 1974-05-22 1975-09-09 Weatherhead Co Pressure balancing system for gear pumps or motors
GB2045383B (en) * 1979-03-24 1983-07-20 Pest Megyei Mueanyagiparti Val Woven hoses
GB2053357A (en) * 1979-06-30 1981-02-04 Dowty Hydraulic Units Ltd Rotary positive-displacement fluid-pressure machines
US5076770A (en) * 1990-04-13 1991-12-31 Allied-Signal Inc. Gear pump having improved low temperature operation

Also Published As

Publication number Publication date
DE69315227T2 (en) 1998-03-19
JPH07507124A (en) 1995-08-03
JP2617096B2 (en) 1997-06-04
EP0701661B1 (en) 1997-11-12
WO1994007030A1 (en) 1994-03-31
EP0701661A1 (en) 1996-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee