CA1275859C - Closed center hydraulic devide - Google Patents

Closed center hydraulic devide

Info

Publication number
CA1275859C
CA1275859C CA000573638A CA573638A CA1275859C CA 1275859 C CA1275859 C CA 1275859C CA 000573638 A CA000573638 A CA 000573638A CA 573638 A CA573638 A CA 573638A CA 1275859 C CA1275859 C CA 1275859C
Authority
CA
Canada
Prior art keywords
valve
opening
orbiting
fluid
central opening
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 - Lifetime
Application number
CA000573638A
Other languages
English (en)
French (fr)
Inventor
Hollis N. White, Jr.
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
Application granted granted Critical
Publication of CA1275859C publication Critical patent/CA1275859C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/103—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement
    • F04C2/105—Details concerning timing or distribution valves
    • 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
    • F04C15/0046—Internal leakage control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
CA000573638A 1987-08-03 1988-08-02 Closed center hydraulic devide Expired - Lifetime CA1275859C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8060687A 1987-08-03 1987-08-03
US080,606 1987-08-03

Publications (1)

Publication Number Publication Date
CA1275859C true CA1275859C (en) 1990-11-06

Family

ID=22158438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000573638A Expired - Lifetime CA1275859C (en) 1987-08-03 1988-08-02 Closed center hydraulic devide

Country Status (4)

Country Link
JP (1) JP2881435B2 (de)
CA (1) CA1275859C (de)
DE (1) DE3824686C2 (de)
GB (2) GB2207705B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062776A (en) * 1989-08-04 1991-11-05 Parker Hannifin Corporation Commutator for orbiting gerotor-type pumps and motors
US5009582A (en) * 1989-08-09 1991-04-23 Eaton Corporation Rotary fluid pressure device and improved stationary valve plate therefor
GB2268779B (en) * 1990-01-29 1994-10-12 White Hollis Newcomb Jun Reduced size hydraulic motor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975521A (de) *
US3606601A (en) * 1969-10-21 1971-09-20 Trw Inc Hydraulic device
US3887309A (en) * 1974-01-10 1975-06-03 Wayne B Easton High pressure expansible chamber device
DE2453560B2 (de) * 1974-11-12 1976-08-26 Danfoss A/S, Nordborg (Dänemark) Parallel- und innenachsige rotationskolbenmaschine
JPS54142809U (de) * 1978-03-29 1979-10-03
US4474544A (en) * 1980-01-18 1984-10-02 White Hollis Newcomb Jun Rotary gerotor hydraulic device with fluid control passageways through the rotor
US4232708A (en) * 1979-06-25 1980-11-11 Trw Inc. Fluid controller
JPS5844876B2 (ja) * 1979-10-25 1983-10-05 株式会社トキメック ジエロ−タ型流体回転装置
US4449898A (en) * 1982-06-07 1984-05-22 Vickers, Incorporated Power transmission
GB8606326D0 (en) * 1986-03-14 1986-04-23 Hobourn Eaton Ltd Positive displacement pumps

Also Published As

Publication number Publication date
GB9110653D0 (en) 1991-07-03
GB2207705B (en) 1992-03-11
GB2207705A (en) 1989-02-08
GB8817253D0 (en) 1988-08-24
GB2244097A (en) 1991-11-20
JP2881435B2 (ja) 1999-04-12
DE3824686C2 (de) 1999-09-16
JPH01110887A (ja) 1989-04-27
GB2244097B (en) 1992-03-11
DE3824686A1 (de) 1989-02-16

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Legal Events

Date Code Title Description
MKEX Expiry