Electric power steering device

Details Electric power steering device Electric power steering device

1987-04-22

1989-02-07

Mitchell, David M.

Motor vehicles

Compensating devices

180142, B62D 504

Patent

active

048025437

ABSTRACT:
An electric power steering device for generating and controlling auxiliary steering force using a motor, having, a detector for detecting operation force transmitted from a steering wheel to a steering mechanism of a vehicle, and a controller for controlling current supplied to the motor depending on the detected operation force, wherein the electric current is maintained zero when the detected operation force is smaller than a predetermined value and a proportional relationship is maintained between the detected operation force and the electric current when said detected operation force is greater than the predetermined value.

REFERENCES:
patent: 3983953 (1976-10-01), Bayle
patent: 4577716 (1986-03-01), Norton
patent: 4629024 (1986-12-01), Buike et al.
patent: 4685528 (1987-08-01), Suzuki et al.

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