Steering system for a vehicle
AssigneeTRW Fahrwerksysteme GmbH & Co. KG
InventorHeinz-Dieter Heitzer
Life of this patent
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Abstract
The invention relates to a vehicle steering system comprising a steering linkage, a control hydraulic motor and a control hydraulic circuit, a steering wheel connected to the control hydraulic motor, and a control hydraulic cylinder connected to the control hydraulic motor by the control hydraulic circuit. The vehicle steering system further comprises a servohydraulic cylinder, a servopump, a servohydraulic circuit connecting the servopump to the servohydraulic cylinder, and an electronic control circuit which controls the servohydraulic circuit.
Claims4
A vehicle steering system comprising a steering linkage, a control hydraulic motor and a control hydraulic circuit, a steering wheel connected to said control hydraulic motor, a control hydraulic cylinder connected to said control hydraulic motor by said control hydraulic circuit, a servohydraulic cylinder, a servopump, a servohydraulic circuit connecting said servopump to said servohydraulic cylinder, and an electronic control circuit which controls said servohydraulic circuit, wherein in said control hydraulic circuit a modulator pump is provided connected in parallel to said control hydraulic cylinder, said modulator pump being capable of supplying a hydraulic flow which is superimposed a hydraulic flow furnished by said control hydraulic motor.
Dependencies are inferred from the claim text.