CA966723A - Gear pump with lubricating means - Google Patents

Gear pump with lubricating means

Info

Publication number
CA966723A
CA966723A CA132,646A CA132646A CA966723A CA 966723 A CA966723 A CA 966723A CA 132646 A CA132646 A CA 132646A CA 966723 A CA966723 A CA 966723A
Authority
CA
Canada
Prior art keywords
gear pump
lubricating means
lubricating
gear
pump
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
CA132,646A
Other languages
English (en)
Other versions
CA132646S (en
Inventor
Frederic W. Pollman
Lee R. Frandsen
Charles D. Throckmorton (Sr.)
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.)
Sundstrand Corp
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.)
Filing date
Publication date
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Application granted granted Critical
Publication of CA966723A publication Critical patent/CA966723A/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
    • 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)
CA132,646A 1971-01-27 1972-01-18 Gear pump with lubricating means Expired CA966723A (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
CA966723A true CA966723A (en) 1975-04-29

Family

ID=22331630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA132,646A Expired CA966723A (en) 1971-01-27 1972-01-18 Gear pump with lubricating means

Country Status (8)

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

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 (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
DE4225804C2 (de) * 1992-08-05 1998-12-24 Bosch Gmbh Robert Zahnradmaschine
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 (it) * 2009-02-16 2010-08-17 Fluid O Tech Srl Pompa volumetrica ad ingranaggi perfezionata
DE102015117562B4 (de) 2014-10-16 2025-12-18 Johnson Medtech (Hk) Limited Zahnradpumpe
CN109322821B (zh) * 2018-10-09 2023-07-04 宿迁学院 一种用于消除齿轮泵径向力的组合结构
CN114017313B (zh) * 2021-11-26 2023-08-22 宁波邦威泵业有限公司 一种凸轮式双转子泵

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 (de) * 1957-11-09 1962-08-09 Bosch Gmbh Robert Zahnradpumpe
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 (it) * 1967-08-21 1971-05-19

Also Published As

Publication number Publication date
FR2124855A5 (it) 1972-09-22
IT948331B (it) 1973-05-30
CH539782A (de) 1973-07-31
BE778504A (fr) 1972-05-16
DE2203820A1 (de) 1972-09-07
GB1372482A (en) 1974-10-30
US3690793A (en) 1972-09-12

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