DE2505988C3 - Hydraulische Steuereinrichtung für ein hydrostatisches Getriebe - Google Patents

Hydraulische Steuereinrichtung für ein hydrostatisches Getriebe

Info

Publication number
DE2505988C3
DE2505988C3 DE2505988A DE2505988A DE2505988C3 DE 2505988 C3 DE2505988 C3 DE 2505988C3 DE 2505988 A DE2505988 A DE 2505988A DE 2505988 A DE2505988 A DE 2505988A DE 2505988 C3 DE2505988 C3 DE 2505988C3
Authority
DE
Germany
Prior art keywords
pressure
control
valve
hydraulic
spring
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
Application number
DE2505988A
Other languages
German (de)
English (en)
Other versions
DE2505988A1 (de
DE2505988B2 (de
Inventor
Stanley W. Ames Ia. Crull (V.St.A.)
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 Corp
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 Corp filed Critical Sundstrand Corp
Publication of DE2505988A1 publication Critical patent/DE2505988A1/de
Publication of DE2505988B2 publication Critical patent/DE2505988B2/de
Application granted granted Critical
Publication of DE2505988C3 publication Critical patent/DE2505988C3/de
Expired 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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/465—Automatic regulation in accordance with output requirements for achieving a target input speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor
    • 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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/475—Automatic regulation in accordance with output requirements for achieving a target power, e.g. input power or output power
    • 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
    • F16H61/423—Motor capacity control by fluid pressure control means
    • 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)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Control Of Fluid Gearings (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Control Of Fluid Pressure (AREA)
DE2505988A 1974-02-13 1975-02-13 Hydraulische Steuereinrichtung für ein hydrostatisches Getriebe Expired DE2505988C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US442191A US3885388A (en) 1974-02-13 1974-02-13 Control for a hydrostatic transmission

Publications (3)

Publication Number Publication Date
DE2505988A1 DE2505988A1 (de) 1975-08-21
DE2505988B2 DE2505988B2 (de) 1978-01-19
DE2505988C3 true DE2505988C3 (de) 1978-09-14

Family

ID=23755866

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2505988A Expired DE2505988C3 (de) 1974-02-13 1975-02-13 Hydraulische Steuereinrichtung für ein hydrostatisches Getriebe

Country Status (7)

Country Link
US (1) US3885388A (US07981874-20110719-C00313.png)
JP (1) JPS5720511B2 (US07981874-20110719-C00313.png)
CA (1) CA1032854A (US07981874-20110719-C00313.png)
DE (1) DE2505988C3 (US07981874-20110719-C00313.png)
FR (1) FR2260730B1 (US07981874-20110719-C00313.png)
GB (1) GB1494243A (US07981874-20110719-C00313.png)
IT (1) IT1029713B (US07981874-20110719-C00313.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023637A (en) * 1975-11-03 1977-05-17 Sundstrand Corporation Programmable electronic tracking control for vehicles with hydrostatic transmissions
US4085812A (en) * 1976-11-24 1978-04-25 Sundstrand Corporation Actuator system for dual path transmission
US4086767A (en) 1977-01-24 1978-05-02 Commercial Shearing, Inc. Track drive circuits with synchronization and steering systems
JPS5471264A (en) * 1977-11-18 1979-06-07 Komatsu Ltd Controlling device in oil pressure driving device
JPS5471261A (en) * 1977-11-18 1979-06-07 Komatsu Ltd Controlling device in oil pressure driving device
US4212164A (en) * 1978-12-06 1980-07-15 General Signal Corporation Variable delivery pump control system
JPS6132818Y2 (US07981874-20110719-C00313.png) * 1979-03-09 1986-09-25
US4399886A (en) * 1980-12-09 1983-08-23 Sundstrand Corporation Controls for variable displacement motor and motors
JPS5910549U (ja) * 1982-07-13 1984-01-23 本田技研工業株式会社 車両用自動変速機
US5001901A (en) * 1988-10-04 1991-03-26 Sundstrand Corporation Hydraulic fluid circuit for full case hydraulic unit
DE4016518C1 (US07981874-20110719-C00313.png) * 1990-05-22 1991-09-26 Hydromatik Gmbh, 7915 Elchingen, De
WO2014169917A1 (en) * 2013-04-19 2014-10-23 Fractum 2012 Aps A hammering device and a method for operating a hammering device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054263A (en) * 1960-07-05 1962-09-18 Budzich Tadeusz Hydraulic transmission
US3230699A (en) * 1964-01-21 1966-01-25 Sundstrand Corp Hydrostatic transmission
US3411297A (en) * 1967-03-20 1968-11-19 Sundstrand Corp Hydrostatic transmission
US3572213A (en) * 1969-05-12 1971-03-23 Eaton Yale & Towne Hydrostatic control system
US3800535A (en) * 1973-02-07 1974-04-02 Eaton Corp Hydrostatic transmission control system

Also Published As

Publication number Publication date
CA1032854A (en) 1978-06-13
JPS5720511B2 (US07981874-20110719-C00313.png) 1982-04-28
DE2505988A1 (de) 1975-08-21
US3885388A (en) 1975-05-27
FR2260730A1 (US07981874-20110719-C00313.png) 1975-09-05
FR2260730B1 (US07981874-20110719-C00313.png) 1980-09-12
DE2505988B2 (de) 1978-01-19
GB1494243A (en) 1977-12-07
JPS50124055A (US07981874-20110719-C00313.png) 1975-09-29
IT1029713B (it) 1979-03-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

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

8328 Change in the person/name/address of the agent

Free format text: BEETZ SEN., R., DIPL.-ING. BEETZ JUN., R., DIPL.-ING. DR.-ING. TIMPE, W., DR.-ING. SIEGFRIED, J., DIPL.-ING. SCHMITT-FUMIAN, W., PROF. DIPL.-CHEM. DR.RER.NAT. MAYR, C., DIPL.-PHYS.DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee