GB2265945B - Variable gear pump - Google Patents

Variable gear pump

Info

Publication number
GB2265945B
GB2265945B GB9207906A GB9207906A GB2265945B GB 2265945 B GB2265945 B GB 2265945B GB 9207906 A GB9207906 A GB 9207906A GB 9207906 A GB9207906 A GB 9207906A GB 2265945 B GB2265945 B GB 2265945B
Authority
GB
United Kingdom
Prior art keywords
gear pump
variable gear
variable
pump
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
GB9207906A
Other versions
GB2265945A (en
GB9207906D0 (en
Inventor
Charles Lee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9207906A priority Critical patent/GB2265945B/en
Publication of GB9207906D0 publication Critical patent/GB9207906D0/en
Publication of GB2265945A publication Critical patent/GB2265945A/en
Application granted granted Critical
Publication of GB2265945B publication Critical patent/GB2265945B/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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GB9207906A 1992-04-10 1992-04-10 Variable gear pump Expired - Fee Related GB2265945B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9207906A GB2265945B (en) 1992-04-10 1992-04-10 Variable gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9207906A GB2265945B (en) 1992-04-10 1992-04-10 Variable gear pump

Publications (3)

Publication Number Publication Date
GB9207906D0 GB9207906D0 (en) 1992-05-27
GB2265945A GB2265945A (en) 1993-10-13
GB2265945B true GB2265945B (en) 1995-07-05

Family

ID=10713814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9207906A Expired - Fee Related GB2265945B (en) 1992-04-10 1992-04-10 Variable gear pump

Country Status (1)

Country Link
GB (1) GB2265945B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999057438A1 (en) * 1998-05-04 1999-11-11 Arisoy Yuecel The volume adjustable rotary systems
AT413140B (en) 2003-03-28 2005-11-15 Tcg Unitech Ag GEAR PUMP
US8215932B2 (en) 2004-04-09 2012-07-10 Limo-Reid, Inc. Long life telescoping gear pumps and motors
US7179070B2 (en) * 2004-04-09 2007-02-20 Hybra-Drive Systems, Llc Variable capacity pump/motor
US7281376B2 (en) 2005-02-22 2007-10-16 Hybra-Drive Systems, Llc Hydraulic hybrid powertrain system
US8011910B2 (en) 2005-02-22 2011-09-06 Limo-Reid, Inc. Low noise gear set for gear pump
ITPD20100083A1 (en) * 2010-03-17 2011-09-18 Adriano Baracchi HYDRAULIC MACHINE WITH VARIABLE FLOW
US9091265B2 (en) * 2010-04-12 2015-07-28 Pavol Figura Gear pump with continuous variable output flow rate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1429474A (en) * 1972-05-19 1976-03-24 British Steel Corp Gear-type rotary positive displacement machines
GB1539515A (en) * 1976-02-26 1979-01-31 Rolls Royce Variable delivery gear pumps
US4740142A (en) * 1985-08-09 1988-04-26 Rohs Hans Gunther Variable capacity gear pump with pressure balance for transverse forces
EP0478514A1 (en) * 1990-09-26 1992-04-01 Elio Bussi Variable delivery gear pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1429474A (en) * 1972-05-19 1976-03-24 British Steel Corp Gear-type rotary positive displacement machines
GB1539515A (en) * 1976-02-26 1979-01-31 Rolls Royce Variable delivery gear pumps
US4740142A (en) * 1985-08-09 1988-04-26 Rohs Hans Gunther Variable capacity gear pump with pressure balance for transverse forces
EP0478514A1 (en) * 1990-09-26 1992-04-01 Elio Bussi Variable delivery gear pump

Also Published As

Publication number Publication date
GB2265945A (en) 1993-10-13
GB9207906D0 (en) 1992-05-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960410