FR2166077B1 - - Google Patents

Info

Publication number
FR2166077B1
FR2166077B1 FR7246400A FR7246400A FR2166077B1 FR 2166077 B1 FR2166077 B1 FR 2166077B1 FR 7246400 A FR7246400 A FR 7246400A FR 7246400 A FR7246400 A FR 7246400A FR 2166077 B1 FR2166077 B1 FR 2166077B1
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
FR7246400A
Other versions
FR2166077A1 (fr
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
Publication of FR2166077A1 publication Critical patent/FR2166077A1/fr
Application granted granted Critical
Publication of FR2166077B1 publication Critical patent/FR2166077B1/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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • 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
    • 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
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/521—Pressure control characterised by the type of actuation mechanically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)
FR7246400A 1971-12-27 1972-12-27 Expired FR2166077B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21212571A 1971-12-27 1971-12-27

Publications (2)

Publication Number Publication Date
FR2166077A1 FR2166077A1 (fr) 1973-08-10
FR2166077B1 true FR2166077B1 (fr) 1978-08-04

Family

ID=22789654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246400A Expired FR2166077B1 (fr) 1971-12-27 1972-12-27

Country Status (7)

Country Link
US (1) US3774707A (fr)
JP (1) JPS5732242B2 (fr)
BE (1) BE793325A (fr)
DE (1) DE2264014C2 (fr)
FR (1) FR2166077B1 (fr)
GB (1) GB1410197A (fr)
IT (1) IT974330B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434514A1 (de) * 1974-07-18 1976-01-29 Linde Ag Steuereinrichtung fuer ein fahrzeug mit differenzgeschwindigkeitslenkung
US4019321A (en) * 1974-10-08 1977-04-26 Kabushiki Kaisha Komatsu Seisakusho Controls for a hydraulically driven vehicle
US4033128A (en) * 1974-10-08 1977-07-05 Kabushiki Kaisha Komatsu Seisakusho Controls for a hydraulically driven vehicle
US3990527A (en) * 1975-05-21 1976-11-09 Kabushiki Kaisha Komatsu Seisakusho Steering apparatus for a vehicle of the type having revolving upper body with respect to a lower body thereof
US4024797A (en) * 1975-10-28 1977-05-24 Caterpillar Tractor Co. Spring centered balanced resolver valve
JPS548095U (fr) * 1977-06-20 1979-01-19
US4163413A (en) * 1978-02-09 1979-08-07 Caterpillar Tractor Co. Vehicle control system
US4325442A (en) * 1979-12-31 1982-04-20 Groenig Robert E Fork lift
GB2080499B (en) * 1980-07-21 1984-03-07 Poclain Sa Fluid pressure-regulating valve
JPS5866411U (ja) * 1981-10-28 1983-05-06 日立建機株式会社 減圧弁型パイロツトバルブ
JPS59144280U (ja) * 1983-03-18 1984-09-27 日本発条株式会社 ねじり振動防止機構を備えた配管支持装置
EP0183684A1 (fr) * 1983-09-27 1986-06-11 EDGERTON, Edgar Robert Charles Machines de chargement a direction par glissement
GB2335511B (en) * 1998-03-20 2002-01-30 Aeroquip Vickers Ltd Hydraulic control means
US6283237B1 (en) 1999-06-01 2001-09-04 Caterpillar Inc. Method and apparatus for steering articulated machines using variable speed devices
KR20110055998A (ko) * 2009-11-20 2011-05-26 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 주행 및 선회 장치
US8157033B2 (en) * 2010-01-27 2012-04-17 Les Produits Gilbert Inc. Steering system for a tracked vehicle
US9604668B2 (en) 2014-07-14 2017-03-28 Caterpillar Forest Products Inc. Control system for switching traction device inputs
EP3540127A4 (fr) * 2016-10-20 2020-11-04 Volvo Construction Equipment AB Système de commande de déplacement de machine de construction
US11371209B2 (en) * 2019-06-24 2022-06-28 Deere & Company Work vehicle with switchable propulsion control system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941365A (en) * 1957-07-23 1960-06-21 Sundstrand Corp Hydraulic transmission
US3210122A (en) * 1959-09-04 1965-10-05 Galion Jeffrey Mfg Co Continuous mining machine and control system therefor
US3233691A (en) * 1962-10-17 1966-02-08 Biasi Charles P De Hydraulic system, apparatus and arrangement for driving and steering vehicles
DE1937624A1 (de) * 1969-07-24 1971-03-04 Paul Jaeck Hydraulische Antriebsvorrichtung fuer Kraftfahrzeuge
DE2045417A1 (de) * 1969-09-29 1971-04-22 Schwermasch Dimitrof G Hydraulische Steuerschaltung fur Krantriebwerke od.dgl

Also Published As

Publication number Publication date
BE793325A (fr) 1973-06-27
DE2264014A1 (de) 1973-07-12
US3774707A (en) 1973-11-27
JPS5732242B2 (fr) 1982-07-09
IT974330B (it) 1974-06-20
JPS4877278A (fr) 1973-10-17
GB1410197A (en) 1975-10-15
DE2264014C2 (de) 1984-08-23
FR2166077A1 (fr) 1973-08-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse