Electrically driven oil pressured power steering apparatus

Details Electrically driven oil pressured power steering apparatus Electrically driven oil pressured power steering apparatus

1981-07-20

1983-11-29

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180143, 60468, 91438, B62D 506

Patent

active

044176406

ABSTRACT:
An electrically driven oil pressured power steering apparatus is disclosed herein. The apparatus comprises an oil pump driven by an electric motor for supplying a working oil to a power cylinder, a control valve for controlling the supply of the working oil and a manipulating apparatus and an electronically operated on-off means which, in common, control a power supply to the electric motor. In the apparatus, a state of power steering is shifted to a state of manual steering in accordance with a stop of the electric motor effected by the electronically operated on-off means.

REFERENCES:
patent: 2219967 (1940-10-01), Thiry
patent: 3584460 (1971-06-01), Boyd
patent: 3991846 (1976-11-01), Chichester et al.
patent: 3995711 (1976-12-01), Kittle et al.
patent: 4056160 (1977-11-01), Abels et al.
patent: 4212366 (1980-07-01), Ohtuka et al.
patent: 4274504 (1981-01-01), Kawabata et al.
patent: 4300650 (1981-11-01), Weber

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