DE3516747C2 - Steuereinrichtung für ein hydrostatisches Getriebe - Google Patents

Steuereinrichtung für ein hydrostatisches Getriebe

Info

Publication number
DE3516747C2
DE3516747C2 DE3516747A DE3516747A DE3516747C2 DE 3516747 C2 DE3516747 C2 DE 3516747C2 DE 3516747 A DE3516747 A DE 3516747A DE 3516747 A DE3516747 A DE 3516747A DE 3516747 C2 DE3516747 C2 DE 3516747C2
Authority
DE
Germany
Prior art keywords
valve
pressure
relief valve
line
pressure line
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
DE3516747A
Other languages
German (de)
English (en)
Other versions
DE3516747A1 (de
Inventor
Keith R Williams
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 US Co
Original Assignee
Sundstrand Sauer Co
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 Sauer Co filed Critical Sundstrand Sauer Co
Publication of DE3516747A1 publication Critical patent/DE3516747A1/de
Application granted granted Critical
Publication of DE3516747C2 publication Critical patent/DE3516747C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4043—Control of a bypass valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4008—Control of circuit pressure
    • F16H61/4017—Control of high pressure, e.g. avoiding excess pressure by a relief valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
DE3516747A 1984-05-09 1985-05-09 Steuereinrichtung für ein hydrostatisches Getriebe Expired - Lifetime DE3516747C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/610,085 US4617797A (en) 1984-05-09 1984-05-09 Multi-function valve

Publications (2)

Publication Number Publication Date
DE3516747A1 DE3516747A1 (de) 1985-11-14
DE3516747C2 true DE3516747C2 (de) 1996-09-05

Family

ID=24443578

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3516747A Expired - Lifetime DE3516747C2 (de) 1984-05-09 1985-05-09 Steuereinrichtung für ein hydrostatisches Getriebe

Country Status (6)

Country Link
US (1) US4617797A (en:Method)
JP (1) JPS60245872A (en:Method)
CA (1) CA1255995A (en:Method)
DE (1) DE3516747C2 (en:Method)
GB (1) GB2159607B (en:Method)
SE (1) SE456764B (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001901A (en) * 1988-10-04 1991-03-26 Sundstrand Corporation Hydraulic fluid circuit for full case hydraulic unit
US4936095A (en) * 1988-10-28 1990-06-26 Eaton Corporation Hydrostatic transmission system and power limiter control therefor
US5059097A (en) * 1989-01-26 1991-10-22 Diesel Kiki Co. Ltd. Variable capacity wobble plate compressor
US5259193A (en) * 1989-07-28 1993-11-09 Honda Giken Kogyo Kabushiki Kaisha Hydraulic transmission system
JP2761283B2 (ja) * 1990-07-02 1998-06-04 本田技研工業株式会社 油圧変速装置
US5065577A (en) * 1989-11-22 1991-11-19 Sundstrand Corporation Hydromechanical displacement control for a power drive unit
US5123815A (en) * 1991-02-25 1992-06-23 Parker Hannifin Corporation Fluid pumping apparatus with load limiting control
US5108267A (en) * 1991-06-17 1992-04-28 Eaton Corporation Dual-mode control for hydrostatic transmission
US5265422A (en) * 1992-05-15 1993-11-30 Sauer Inc. Pilot-operated pressure override valve
CA2132684A1 (en) * 1994-09-22 1996-03-23 David L. Hoar Utility vehicule
US6374722B1 (en) * 2000-10-26 2002-04-23 Caterpillar Inc. Apparatus and method for controlling a discharge pressure of a variable displacement hydraulic pump
US6848254B2 (en) * 2003-06-30 2005-02-01 Caterpillar Inc. Method and apparatus for controlling a hydraulic motor
JP2005054964A (ja) * 2003-08-07 2005-03-03 Shin Caterpillar Mitsubishi Ltd Ｈｓｔ駆動回路
US6964163B2 (en) * 2003-11-10 2005-11-15 Sauer-Danfoss, Inc. Dual check-relief valve
US6993904B2 (en) 2004-05-06 2006-02-07 Eaton Corporation Integrated valve system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB954715A (en) * 1962-03-22 1964-04-08 Lucas Industries Ltd Hydraulic pumps
US3327475A (en) * 1966-03-03 1967-06-27 Bendix Corp Control system for hydrostatic transmission
US3528243A (en) * 1967-06-14 1970-09-15 Caterpillar Tractor Co Relief and replenish package for a hydrostatic transmission
SE328778B (en:Method) * 1968-07-11 1970-09-21 Monsun Tison Ab
DE1923455A1 (de) * 1969-05-08 1970-11-12 Rheinstahl Hanomag Ag UEberlastsicherung fuer ein hydrostatisches Getriebe
US3585797A (en) * 1969-06-09 1971-06-22 Sundstrand Corp Hydrostatic transmission displacement control
GB1348246A (en) * 1970-05-26 1974-03-13 Dowty Hydraulic Units Ltd Hydraulic apparatus
US3696836A (en) * 1971-01-06 1972-10-10 Sperry Rand Corp Power transmission
US3820920A (en) * 1972-12-18 1974-06-28 Sperry Rand Corp Power transmission
US3908519A (en) * 1974-10-16 1975-09-30 Abex Corp Control systems for a variable displacement pump
US4189921A (en) * 1976-07-02 1980-02-26 Eaton Corporation Hydraulic controller
US4116002A (en) * 1977-08-22 1978-09-26 Eaton Corporation Control for a variable displacement pump or motor
JPS54101503A (en) * 1978-01-27 1979-08-10 Hitachi Constr Mach Co Ltd Capacity-control regulator for use in variable capacity hydraulic pumps
DE3118576A1 (de) * 1981-05-11 1982-12-02 Mannesmann Rexroth GmbH, 8770 Lohr Regeleinrichtung fuer eine verstellpumpe

Also Published As

Publication number Publication date
JPS60245872A (ja) 1985-12-05
GB8511764D0 (en) 1985-06-19
US4617797A (en) 1986-10-21
SE456764B (sv) 1988-10-31
SE8502089D0 (sv) 1985-04-29
DE3516747A1 (de) 1985-11-14
SE8502089L (sv) 1985-11-10
CA1255995A (en) 1989-06-20
GB2159607A (en) 1985-12-04
JPH0579858B2 (en:Method) 1993-11-05
GB2159607B (en) 1987-12-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: SUNDSTRAND-SAUER, AMES, IA., US

8128 New person/name/address of the agent

Representative=s name: BEETZ SEN., R., DIPL.-ING. BEETZ JUN., R., DIPL.-I

D2 Grant after examination
8364 No opposition during term of opposition