CA993543A - Vehicle power steering electrohydraulic safety backup system - Google Patents

Vehicle power steering electrohydraulic safety backup system

Info

Publication number
CA993543A
CA993543A CA178,993A CA178993A CA993543A CA 993543 A CA993543 A CA 993543A CA 178993 A CA178993 A CA 178993A CA 993543 A CA993543 A CA 993543A
Authority
CA
Canada
Prior art keywords
power steering
vehicle power
backup system
safety backup
electrohydraulic
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
CA178,993A
Other languages
English (en)
Other versions
CA178993S (en
Inventor
Wayne R. Miller
Charles G. Termont
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.)
Deere and Co
Original Assignee
Deere and 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 Deere and Co filed Critical Deere and Co
Application granted granted Critical
Publication of CA993543A publication Critical patent/CA993543A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • B62D5/32—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Fluid-Pressure Circuits (AREA)
CA178,993A 1973-03-29 1973-08-16 Vehicle power steering electrohydraulic safety backup system Expired CA993543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00345906A US3820620A (en) 1973-03-29 1973-03-29 Vehicle power steering electrohydraulic safety backup system

Publications (1)

Publication Number Publication Date
CA993543A true CA993543A (en) 1976-07-20

Family

ID=23357035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,993A Expired CA993543A (en) 1973-03-29 1973-08-16 Vehicle power steering electrohydraulic safety backup system

Country Status (7)

Country Link
US (1) US3820620A (fr)
AR (1) AR204002A1 (fr)
CA (1) CA993543A (fr)
DE (1) DE2412897C3 (fr)
FR (1) FR2223228B1 (fr)
GB (1) GB1419719A (fr)
IT (1) IT1021531B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954147A (en) * 1974-10-03 1976-05-04 Hollins J R Power steering pump with auxiliary electric motor drive
US3921748A (en) * 1974-10-24 1975-11-25 Case Co J I Vehicle power steering electric circuit
GB1564108A (en) * 1975-12-04 1980-04-02 Massey Ferguson Perkins Ltd Steering systems
US3995711A (en) * 1976-03-18 1976-12-07 Deere & Company Vehicle power steering electro-hydraulic safety backup system
US4345660A (en) * 1979-12-26 1982-08-24 Deere & Company Vehicle emergency steering system
US4317499A (en) * 1979-12-26 1982-03-02 Deere & Company Vehicle emergency steering system
US4410057A (en) * 1980-05-09 1983-10-18 Clark Equipment Company Emergency hydraulic system
GB8404003D0 (en) * 1984-02-15 1984-03-21 Trw Cam Gears Ltd Steering system for vehicles
EP0153805B1 (fr) * 1984-02-15 1989-07-19 Trw Cam Gears Limited Système d'assistance de direction pour véhicule
US4942935A (en) * 1989-07-14 1990-07-24 J. I. Case Company Auxiliary power steering system
DE4031969C2 (de) * 1990-10-09 1994-06-09 Danfoss As Zweikreis-Lenksystem für Kraftfahrzeuge
US5201174A (en) * 1991-12-02 1993-04-13 Deere & Company Auxiliary hydraulic pump system
KR0156433B1 (ko) * 1995-09-19 1998-10-15 석진철 전유압조향시스템의 비상조향장치
FR2836670B1 (fr) * 2002-03-04 2004-10-08 Messier Bugatti Architecture de systeme hydraulique de commande d'orientation
US8608254B1 (en) 2010-12-23 2013-12-17 Elido N. Diaz Motor system for triggering brake and steering control during engine failure
EP2757024B1 (fr) * 2013-01-16 2015-06-24 Danfoss Power Solutions Aps Agencement de contrôle hydraulique de direction
US9867325B2 (en) 2014-04-29 2018-01-16 Cnh Industrial America Llc Work vehicle with hydraulic assist for power off steering
CN106608281B (zh) * 2017-01-20 2019-01-29 贵州大学 一种工程车辆机械液压助力转向装置

Also Published As

Publication number Publication date
DE2412897B2 (de) 1977-11-10
DE2412897A1 (de) 1974-10-10
DE2412897C3 (de) 1978-06-22
IT1021531B (it) 1978-02-20
FR2223228A1 (fr) 1974-10-25
US3820620A (en) 1974-06-28
GB1419719A (en) 1975-12-31
FR2223228B1 (fr) 1976-12-17
AR204002A1 (es) 1975-11-12

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