Power steering control with damping action against rapid change

Details Power steering control with damping action against rapid change Power steering control with damping action against rapid change

1976-07-19

1978-01-31

Peters, Jr., Joseph F.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

361236, B62D 508

Patent

active

040711099

ABSTRACT:
A control circuit for power steering units of automotive vehicles comprises a wheel speed sensor generating an electrical signal representative of the wheel speed and an RC timing circuit for charging the signal and discharging the stored electrical signal in response to rapid changes in wheel speed. The voltage developed in the RC circuit is coupled to an amplifier through a field-effect transistor to generate an energization current that drives a control valve which in turn regulates the pressure of the working fluid to the power steering unit.

REFERENCES:
patent: 3693747 (1972-09-01), Nishikawa
patent: 3694039 (1972-09-01), Kawabe

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