Steering system with auxiliary power assist

Details Steering system with auxiliary power assist Steering system with auxiliary power assist

1975-10-29

1977-02-08

Peters, Jr., Joseph F.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

91434, 13762526, B62D 508

Patent

active

040067920

ABSTRACT:
A steering control valve displaced from a neutral position by the manual effort applied to a hand steering wheel, against the bias of a torsion spring, controls the supply of fluid from a servo pump to a steering servo motor with a flow rate that varies as an inverse function of the pump operating speed. Variable flow throttling passages associated with the control valve regulate the servo motor operating pressure and limit the maximum manual effort required for steering purposes under all operating conditions.

REFERENCES:
patent: 2894525 (1959-07-01), Erickson
patent: 2996136 (1961-08-01), Nallinger et al.
patent: 3314495 (1967-04-01), Clark et al.
patent: 3433127 (1969-03-01), Thompson

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