ES2031359T3 - Un sistema de direccion asistida para vehiculos. - Google Patents

Un sistema de direccion asistida para vehiculos.

Info

Publication number
ES2031359T3
ES2031359T3 ES89308878T ES89308878T ES2031359T3 ES 2031359 T3 ES2031359 T3 ES 2031359T3 ES 89308878 T ES89308878 T ES 89308878T ES 89308878 T ES89308878 T ES 89308878T ES 2031359 T3 ES2031359 T3 ES 2031359T3
Authority
ES
Spain
Prior art keywords
switch
steering
hydraulic fluid
motor
operates
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
ES89308878T
Other languages
English (en)
Inventor
Frederick John Adams
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.)
TRW Steering Systems Ltd
Original Assignee
TRW Steering Systems Ltd
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 TRW Steering Systems Ltd filed Critical TRW Steering Systems Ltd
Application granted granted Critical
Publication of ES2031359T3 publication Critical patent/ES2031359T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

SISTEMA DE DIRECCION ASISTIDA DE VEHICULO DE MOTOR CON UN ENGRANAJE DE DIRECCION CON UN SERVOMOTOR HIDRAULICO (5) Y UNA VALVULA DE CENTRO ABIERTO (9) QUE SE AJUSTA EN RESPUESTA A UNA ENTRADA DE DIRECCION PARA TRANSMITIR EL FLUIDO HIDRAULICO AL SERVOMOTOR. EL FLUIDO HIDRAULICO SE OBTIENE DE UNA BOMBA (11) ACCIONADA POR UN MOTOR ELECTRICO (13). UN INTERRUPTOR ELECTRICO (16) ES RESPONSABLE DE LA ENTRADA DE DIRECCION Y ACTUA PARA ACCIONAR EL MOTOR DE BOMBEO (13) PARA TRANSMITIR EL FLUIDO ELECTRICO DEMANDADO. CONECTADA EN PARALELO CON EL INTERRUPTOR (16) EXISTE UN CONMUTADOR DE RESPUESTA TERMICA (17) INCORPORADO AL CIRCUITO DE IGNICION DEL VEHICULO (20). EL CONMUTADOR (17) ACTUA PARA ACCIONAR EL MOTOR DE BOMBEO (11) A UNA DETERMINADA TEMPERATURA (DIGAMOS -25 (GRADOS) C) DE FORMA QUE LA BOMBA PUEDA HACER CIRCULAR Y CALENTAR EL FLUIDO HIDRAULICO CUANDO SE DETECTEN TEMPERATURAS BAJAS EN EL SISTEMA E INCLUSO SI EL CONMUTADOR (16) ESTA ABIERTO.
ES89308878T 1988-09-28 1989-09-01 Un sistema de direccion asistida para vehiculos. Expired - Lifetime ES2031359T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822770A GB2223720B (en) 1988-09-28 1988-09-28 A power assisted vehicle steering system

Publications (1)

Publication Number Publication Date
ES2031359T3 true ES2031359T3 (es) 1992-12-01

Family

ID=10644389

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89308878T Expired - Lifetime ES2031359T3 (es) 1988-09-28 1989-09-01 Un sistema de direccion asistida para vehiculos.

Country Status (4)

Country Link
EP (1) EP0361699B1 (es)
DE (1) DE68901123D1 (es)
ES (1) ES2031359T3 (es)
GB (1) GB2223720B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422385C2 (de) * 1994-06-27 1996-05-09 Daimler Benz Ag Hydraulische Servolenkung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934221C2 (de) * 1979-08-24 1982-12-23 Danfoss A/S, 6430 Nordborg Hydraulische Lenk- und Arbeitseinrichtung für Fahrzeuge
GB2119326B (en) * 1982-03-25 1985-11-27 Cam Gears Ltd Vehicle steering systems
EP0287227B1 (en) * 1987-04-15 1992-05-13 Trw Cam Gears Limited A power assisted vehicle steering mechanism
US4765427A (en) * 1987-08-03 1988-08-23 General Motors Corporation Auxiliary pump system for variable effort power steering

Also Published As

Publication number Publication date
EP0361699A3 (en) 1990-10-03
GB8822770D0 (en) 1988-11-02
DE68901123D1 (de) 1992-05-07
GB2223720B (en) 1992-04-08
GB2223720A (en) 1990-04-18
EP0361699A2 (en) 1990-04-04
EP0361699B1 (en) 1992-04-01

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