GB2274489B - Gear pumps - Google Patents

Gear pumps

Info

Publication number
GB2274489B
GB2274489B GB9400342A GB9400342A GB2274489B GB 2274489 B GB2274489 B GB 2274489B GB 9400342 A GB9400342 A GB 9400342A GB 9400342 A GB9400342 A GB 9400342A GB 2274489 B GB2274489 B GB 2274489B
Authority
GB
United Kingdom
Prior art keywords
gear pumps
pumps
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
GB9400342A
Other versions
GB9400342D0 (en
GB2274489A (en
Inventor
James Edward Wood
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.)
Danfoss Power Solutions Ltd Great Britain
Sauer Danfoss Swindon Ltd
Original Assignee
Sauer Sundstrand Ltd
Sauer Sundstrand UK Holdings Ltd
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 Sauer Sundstrand Ltd, Sauer Sundstrand UK Holdings Ltd filed Critical Sauer Sundstrand Ltd
Publication of GB9400342D0 publication Critical patent/GB9400342D0/en
Publication of GB2274489A publication Critical patent/GB2274489A/en
Application granted granted Critical
Publication of GB2274489B publication Critical patent/GB2274489B/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0049—Equalization of pressure pulses
    • 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)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
GB9400342A 1993-01-20 1994-01-10 Gear pumps Expired - Fee Related GB2274489B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939301072A GB9301072D0 (en) 1993-01-20 1993-01-20 Gear pumps

Publications (3)

Publication Number Publication Date
GB9400342D0 GB9400342D0 (en) 1994-03-09
GB2274489A GB2274489A (en) 1994-07-27
GB2274489B true GB2274489B (en) 1995-06-28

Family

ID=10729007

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939301072A Pending GB9301072D0 (en) 1993-01-20 1993-01-20 Gear pumps
GB9400342A Expired - Fee Related GB2274489B (en) 1993-01-20 1994-01-10 Gear pumps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939301072A Pending GB9301072D0 (en) 1993-01-20 1993-01-20 Gear pumps

Country Status (1)

Country Link
GB (2) GB9301072D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868558A (en) * 1995-06-14 1999-02-09 Parker; Alexander Martin Cover for fluid pumps
GB2302137B (en) * 1995-06-14 1998-09-23 Alexander Martin Parker Cover for fluid pumps
GB2313411B (en) * 1996-05-25 1999-10-13 Concentric Pumps Ltd Improvements in drive systems
GB2318155B (en) * 1996-10-10 1999-12-08 Sauer Sundstrand Ltd Reducing noise in gear pumps

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091811A (en) * 1981-01-27 1982-08-04 Bosch Gmbh Robert Rotary positive-displacement fluid machines
GB2254376A (en) * 1991-03-26 1992-10-07 Kayaba Industry Co Ltd Gear pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091811A (en) * 1981-01-27 1982-08-04 Bosch Gmbh Robert Rotary positive-displacement fluid machines
GB2254376A (en) * 1991-03-26 1992-10-07 Kayaba Industry Co Ltd Gear pump

Also Published As

Publication number Publication date
GB9301072D0 (en) 1993-03-10
GB9400342D0 (en) 1994-03-09
GB2274489A (en) 1994-07-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010110