Steering assistance pressure control apparatus

Details Steering assistance pressure control apparatus Steering assistance pressure control apparatus

1983-03-01

1985-07-23

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180143, 180148, B62D 506

Patent

active

045304149

ABSTRACT:
A steering pressure control apparatus for a power-assisted steering system for a vehicle including a steering power cylinder to develop a steering assistance fluid pressure, comprising a detecting unit operative to detect a state in which the steering wheel is held in an angular position turned from the straight-ahead position thereof through an angle smaller than a predetermined value and to produce an output signal when the that predetermined state is detected; and a control unit responsive to the output signal from the detecting unit and operative to control the steering assistance fluid pressure to be developed in the steering power cylinder so that the steering assistance fluid pressure is lower or higher in the presence of the signal than in the absence of the signal.

REFERENCES:
patent: 2957535 (1960-10-01), Helgeson
patent: 4473128 (1984-09-01), Nakayama et al.

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