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GB2312476B - Pressure balance control in gear pumps - Google Patents

Pressure balance control in gear pumps

Info

Publication number
GB2312476B
GB2312476B GB9608582A GB9608582A GB2312476B GB 2312476 B GB2312476 B GB 2312476B GB 9608582 A GB9608582 A GB 9608582A GB 9608582 A GB9608582 A GB 9608582A GB 2312476 B GB2312476 B GB 2312476B
Authority
GB
United Kingdom
Prior art keywords
pressure balance
balance control
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
GB9608582A
Other versions
GB2312476A (en
GB9608582D0 (en
Inventor
Roderick Howell Spurry
James Edward Wood
John Hudson
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.)
Sauer Danfoss Swindon Ltd
Original Assignee
Sauer Sundstrand 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 filed Critical Sauer Sundstrand Ltd
Priority to GB9608582A priority Critical patent/GB2312476B/en
Publication of GB9608582D0 publication Critical patent/GB9608582D0/en
Publication of GB2312476A publication Critical patent/GB2312476A/en
Application granted granted Critical
Publication of GB2312476B publication Critical patent/GB2312476B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GB9608582A 1996-04-24 1996-04-24 Pressure balance control in gear pumps Expired - Fee Related GB2312476B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9608582A GB2312476B (en) 1996-04-24 1996-04-24 Pressure balance control in gear pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9608582A GB2312476B (en) 1996-04-24 1996-04-24 Pressure balance control in gear pumps

Publications (3)

Publication Number Publication Date
GB9608582D0 GB9608582D0 (en) 1996-07-03
GB2312476A GB2312476A (en) 1997-10-29
GB2312476B true GB2312476B (en) 1999-12-08

Family

ID=10792632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9608582A Expired - Fee Related GB2312476B (en) 1996-04-24 1996-04-24 Pressure balance control in gear pumps

Country Status (1)

Country Link
GB (1) GB2312476B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029522A1 (en) * 2009-09-17 2011-03-24 Robert Bosch Gmbh Gear pump with two rotating pumping elements
CN107781291B (en) * 2016-08-29 2019-08-30 河南航天液压气动技术有限公司 A kind of pump of balanced radial force combination floating buss
CN108425838B (en) * 2018-04-13 2024-03-19 合肥长源液压股份有限公司 Gear oil pump capable of reducing radial force borne by gear

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986800A (en) * 1974-03-11 1976-10-19 Robert Bosch G.M.B.H. Gear type pump or motor with radial balancing
GB1565462A (en) * 1976-02-10 1980-04-23 Bendiberica Sa Gear pump
EP0029356A1 (en) * 1979-11-19 1981-05-27 General Signal Corporation Pressure gradient controlled rotary hydraulic machine
GB2194589A (en) * 1986-08-28 1988-03-09 Karl Evert Joelson Gear pump in a hydraulic actuator control
GB2247923A (en) * 1990-09-15 1992-03-18 Ultra Hydraulics Ltd Rotary positive displacement hydraulic machines
US5145349A (en) * 1991-04-12 1992-09-08 Dana Corporation Gear pump with pressure balancing structure
WO1994028311A1 (en) * 1993-05-24 1994-12-08 Drago Cendak High pressure toothead gear for fluid pump or fluid motor
GB2304155A (en) * 1994-07-07 1997-03-12 Brown David Hydraulics Ltd Helical gear pump or motor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986800A (en) * 1974-03-11 1976-10-19 Robert Bosch G.M.B.H. Gear type pump or motor with radial balancing
GB1565462A (en) * 1976-02-10 1980-04-23 Bendiberica Sa Gear pump
EP0029356A1 (en) * 1979-11-19 1981-05-27 General Signal Corporation Pressure gradient controlled rotary hydraulic machine
GB2194589A (en) * 1986-08-28 1988-03-09 Karl Evert Joelson Gear pump in a hydraulic actuator control
GB2247923A (en) * 1990-09-15 1992-03-18 Ultra Hydraulics Ltd Rotary positive displacement hydraulic machines
US5145349A (en) * 1991-04-12 1992-09-08 Dana Corporation Gear pump with pressure balancing structure
WO1994028311A1 (en) * 1993-05-24 1994-12-08 Drago Cendak High pressure toothead gear for fluid pump or fluid motor
GB2304155A (en) * 1994-07-07 1997-03-12 Brown David Hydraulics Ltd Helical gear pump or motor

Also Published As

Publication number Publication date
GB2312476A (en) 1997-10-29
GB9608582D0 (en) 1996-07-03

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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: 20010424