Hydrostatic power steering system

Details Hydrostatic power steering system Hydrostatic power steering system

1991-05-24

1993-07-06

Olszewski, Robert P.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

180142, B62D 506

Patent

active

052245640

ABSTRACT:
A power steering system for controlling the dirigible wheels of an automotive vehicle includes a pump that develops a pressure in an accumulator, the pump being deactivated when accumulator pressure reaches a predetermined range and being activated when the accumulator pressure is lower than that range, a pressure distributor steering valve situated between a power steering motor and the accumulator that responds to a directional steering torque to distribute directional steering pressures to the motor and a solenoid valve under the control of a microcomputer that establishes a steering pressure that is determined by the torque, vehicle speed and pressure characteristics stored in the memory portion of the microcomputer.

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patent: 4760892 (1988-08-01), Duffy
patent: 4828067 (1989-05-01), Duffy
patent: 5012881 (1991-05-01), Yokote et al.

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