Speed-sensitive power steering system

Details Speed-sensitive power steering system Speed-sensitive power steering system

1982-05-19

1984-03-06

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

91375A, 91434, B62D 508

Patent

active

044348665

ABSTRACT:
A power steering mechanism for controlling the dirigible wheels of an automotive vehicle comprising a fluid motor that provides a power assist to manual steering effort applied to the steering gear mechanism wherein a hydraulic reaction mechanism (44) applies a reaction torque to the driver operated steering controls (82) to effect variable steering efforts thus making it possible to reduce the steering efforts at low vehicle speeds (e.g., while parking the vehicle) and increasing the steering effort as the vehicle speed increases, the variable effort being accomplished by reaction pistons (96, 98, 100 102) that are subjected to steering pressure.

REFERENCES:
patent: 3690400 (1972-09-01), Uchiyama et al.
patent: 3692137 (1972-09-01), Inoue
patent: 3744515 (1973-07-01), Inoue
patent: 3777839 (1973-12-01), Uchiyama
patent: 3877540 (1975-04-01), Masuda et al.
patent: 3994361 (1976-11-01), Nishikawa et al.
patent: 4000785 (1977-01-01), Nishikawa et al.
patent: 4063490 (1977-12-01), Duffy
patent: 4119172 (1978-10-01), Yanagishima et al.
patent: 4154317 (1979-05-01), Nishikawa et al.
patent: 4310063 (1982-01-01), Nishikawa

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