JPH04870B2 - - Google Patents

Info

Publication number
JPH04870B2
JPH04870B2 JP56057815A JP5781581A JPH04870B2 JP H04870 B2 JPH04870 B2 JP H04870B2 JP 56057815 A JP56057815 A JP 56057815A JP 5781581 A JP5781581 A JP 5781581A JP H04870 B2 JPH04870 B2 JP H04870B2
Authority
JP
Japan
Prior art keywords
valve
directional control
pilot pressure
control unit
spool end
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
JP56057815A
Other languages
English (en)
Japanese (ja)
Other versions
JPS577765A (en
Inventor
Derano Teiraa Henrii
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.)
Unisys Corp
Original Assignee
Unisys 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 Unisys Corp filed Critical Unisys Corp
Publication of JPS577765A publication Critical patent/JPS577765A/ja
Publication of JPH04870B2 publication Critical patent/JPH04870B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
JP5781581A 1980-05-19 1981-04-16 Hydraulic pressure steering system for catapillar car Granted JPS577765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/151,305 US4457387A (en) 1980-05-19 1980-05-19 Hydraulic steering system for full-track vehicles

Publications (2)

Publication Number Publication Date
JPS577765A JPS577765A (en) 1982-01-14
JPH04870B2 true JPH04870B2 (US07922777-20110412-C00004.png) 1992-01-09

Family

ID=22538158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5781581A Granted JPS577765A (en) 1980-05-19 1981-04-16 Hydraulic pressure steering system for catapillar car

Country Status (7)

Country Link
US (1) US4457387A (US07922777-20110412-C00004.png)
EP (1) EP0040381B1 (US07922777-20110412-C00004.png)
JP (1) JPS577765A (US07922777-20110412-C00004.png)
AU (1) AU539078B2 (US07922777-20110412-C00004.png)
CA (1) CA1158957A (US07922777-20110412-C00004.png)
DE (1) DE3166422D1 (US07922777-20110412-C00004.png)
IN (1) IN153741B (US07922777-20110412-C00004.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183684A1 (en) * 1983-09-27 1986-06-11 EDGERTON, Edgar Robert Charles Skid steer loaders
AT395840B (de) * 1988-02-10 1993-03-25 Voest Alpine Bergtechnik Schaltungsanordnung fuer den hydraulischen antrieb von raupenfahrzeugen
JPH07112827B2 (ja) * 1990-03-30 1995-12-06 株式会社小松製作所 閉回路油圧トランスミッションの油圧回路
US5456855A (en) * 1991-01-16 1995-10-10 The Procter & Gamble Company Stable granular foam control agent comprising a silicone antifoam compound and glycerol
EP0498517B1 (en) * 1991-02-08 1999-04-14 Mitsubishi Jukogyo Kabushiki Kaisha A hydraulically driven crawler vehicle
US5282516A (en) * 1992-06-01 1994-02-01 Caterpillar Inc. Regenerative steering system for hydrostatic drives
FR2747432B1 (fr) * 1996-04-16 1998-06-26 Rexroth Sigma Dispositif hydraulique de commande directionnelle a levier unique pour vehicule
FR2747636B1 (fr) * 1996-04-18 1998-07-03 Rexroth Sigma Dispositif hydraulique de commande directionnelle a levier unique pour vehicule
JP2000230506A (ja) * 1999-02-10 2000-08-22 Komatsu Ltd 操作レバーによるアクチュエータ駆動装置および操作レバー装置
US6814409B2 (en) * 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system
US7100732B2 (en) * 2002-09-04 2006-09-05 Parker-Hannifin Corporation Positive traction hydraulic drive system
EP1803630B1 (en) * 2005-12-28 2013-01-16 Caterpillar SARL Vehicle steering arrangement and method
JP2007290543A (ja) * 2006-04-25 2007-11-08 Ishikawajima Constr Mach Co 油圧回路
US20090164065A1 (en) * 2007-12-21 2009-06-25 Caterpillar Inc. Track protection system
KR20110055998A (ko) * 2009-11-20 2011-05-26 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 주행 및 선회 장치
US20170323240A1 (en) 2016-05-06 2017-11-09 General Electric Company Computing system to control the use of physical state attainment with inspection
WO2018074629A1 (ko) * 2016-10-20 2018-04-26 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 주행 제어 시스템
US11713077B2 (en) 2021-03-11 2023-08-01 Vortrex LLC Systems and methods for electric track vehicle control

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124564A (en) * 1980-01-29 1981-09-30 Enu Ai Emu Ai Teii Soc Itariaa Controller for steering of car

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2001701C3 (de) * 1970-01-15 1979-04-05 Linde Ag, 6200 Wiesbaden Stelleinrichtung für die Fernsteuerung eines stufenlos einstellbaren hydrostatischen Getriebes
US4033128A (en) * 1974-10-08 1977-07-05 Kabushiki Kaisha Komatsu Seisakusho Controls for a hydraulically driven vehicle
DE2511176C2 (de) * 1975-03-14 1984-08-30 Linde Ag, 6200 Wiesbaden Lenksteuereinrichtung für ein Fahrzeug mit Differenzgeschwindigkeitslenkung
DE2824448A1 (de) * 1978-06-03 1979-12-06 Linde Ag Lenksteuereinrichtung fuer ein differenzgeschwindigkeitsgelenktes fahrzeug
US4235297A (en) * 1979-03-22 1980-11-25 Hps Company, Inc. Two-man utility vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124564A (en) * 1980-01-29 1981-09-30 Enu Ai Emu Ai Teii Soc Itariaa Controller for steering of car

Also Published As

Publication number Publication date
EP0040381A2 (en) 1981-11-25
CA1158957A (en) 1983-12-20
DE3166422D1 (en) 1984-11-08
US4457387A (en) 1984-07-03
AU539078B2 (en) 1984-09-13
EP0040381B1 (en) 1984-10-03
JPS577765A (en) 1982-01-14
AU6815381A (en) 1981-11-26
EP0040381A3 (en) 1982-04-14
IN153741B (US07922777-20110412-C00004.png) 1984-08-18

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