Power steering system

Details Power steering system Power steering system

1983-12-13

1986-07-22

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

74388PS, 91372, 91375A, 92136, 13762524, 180143, 180148, B62D 508

Patent

active

046013580

ABSTRACT:
A power steering system for a vehicle having a power cylinder to which a hydraulic fluid delivered from a pump driven by an engine is supplied through a fluid passage switching valve includes a pressure control valve provided in a branched fluid passage extending from a high pressure fluid passage between the pump and the switching valve to a reaction piston in the switching valve, and having a degree of opening controlled by a pilot pressure, and a pilot pressure control valve provided in a low pressure fluid passage having one end connected through an orifice to the branched fluid passage downstream of the pressure control valve and another end leading to a fluid reservoir.

REFERENCES:
patent: 3930554 (1976-01-01), Ward
patent: 4009641 (1977-03-01), Rohde et al.
patent: 4331211 (1982-05-01), Lang
patent: 4377217 (1983-03-01), Nishikawa et al.
patent: 4460016 (1984-07-01), Haga et al.

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