FR2062805A5 - - Google Patents

Info

Publication number
FR2062805A5
FR2062805A5 FR7035250A FR7035250A FR2062805A5 FR 2062805 A5 FR2062805 A5 FR 2062805A5 FR 7035250 A FR7035250 A FR 7035250A FR 7035250 A FR7035250 A FR 7035250A FR 2062805 A5 FR2062805 A5 FR 2062805A5
Authority
FR
France
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
FR7035250A
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of FR2062805A5 publication Critical patent/FR2062805A5/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/444—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation by changing the number of pump or motor units in operation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Motor Power Transmission Devices (AREA)
FR7035250A 1969-09-29 1970-09-29 Expired FR2062805A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86162769A 1969-09-29 1969-09-29

Publications (1)

Publication Number Publication Date
FR2062805A5 true FR2062805A5 (fr) 1971-06-25

Family

ID=25336317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7035250A Expired FR2062805A5 (fr) 1969-09-29 1970-09-29

Country Status (5)

Country Link
US (1) US3576104A (fr)
DE (1) DE2047642A1 (fr)
FR (1) FR2062805A5 (fr)
GB (1) GB1324860A (fr)
ZA (1) ZA705845B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811282A (en) * 1973-01-26 1974-05-21 Caterpillar Tractor Co Hydraulic control circuit for a reversible hydraulic motor
US3949783A (en) * 1974-12-24 1976-04-13 Allis-Chalmers Corporation Dual Pump draft control valve
US3948049A (en) * 1975-05-01 1976-04-06 Caterpillar Tractor Co. Dual motor hydrostatic drive system
US3978666A (en) * 1975-09-11 1976-09-07 Caterpillar Tractor Co. Vehicle speed control apparatus and method
US4199293A (en) * 1977-03-07 1980-04-22 Caterpillar Tractor Co. High pressure implement circuit for loader with slow and fast dump position

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583197A (en) * 1946-05-15 1952-01-22 Euclid Road Machinery Co Two-speed power steering
US2852918A (en) * 1954-12-24 1958-09-23 New York Air Brake Co Hydraulic control circuit with unloading means
US3386344A (en) * 1966-09-30 1968-06-04 Caterpillar Tractor Co Self-loading scraper hydraulic circuit with diverter

Also Published As

Publication number Publication date
US3576104A (en) 1971-04-27
GB1324860A (en) 1973-07-25
ZA705845B (en) 1971-04-28
DE2047642A1 (de) 1971-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse