Fail safe steering effort control system

Details Fail safe steering effort control system Fail safe steering effort control system

1984-10-12

1986-11-25

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 791, 180133, B62D 506

Patent

active

046243356

ABSTRACT:
An actuator (7) for varying the degree of power assistance is connected with a main battery (8) through a first fuse (12) separate from a second fuse (13) which protects a controller (1) such as a microcomputer for controlling the steering effort in accordance with the vehicle speed and other variables. An emergency control means (14-18) is connected with the actuator for preventing the steering from becoming abnormally heavy or light when the controller is isolated from the main battery. The emergency control means keeps the steering moderate by using a backup battery or by limiting a current supplied to the actuator to a predetermined value.

REFERENCES:
patent: 3820619 (1974-06-01), Ezoe et al.
patent: 4034193 (1977-07-01), Jackson

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