Motorized power steering apparatus

Details Motorized power steering apparatus Motorized power steering apparatus

1989-09-15

1991-01-22

Marmor, Charles A.

Motor vehicles

Compensating devices

318454, B62D 504

Patent

active

049863800

ABSTRACT:
A motorized power steering apparatus for a vehicle has a torque sensor including a right turn potentiometer and a left turn potentiometer which generate output voltages corresponding to the steering torque during a right turn or a left turn, respectively. A motor controller controls the output torque of a drive motor which generates an auxiliary steering force corresponding to the output voltage of one of the potentiometers. A logic circuit prevents current from being supplied to the motor when both of the potentiometers generate an output voltage at the same time.

REFERENCES:
patent: 4437531 (1984-03-01), Urabe
patent: 4476529 (1984-10-01), Nakamura et al.
patent: 4574903 (1986-03-01), Hashimoto et al.
patent: 4660671 (1987-04-01), Behr et al.
patent: 4666010 (1987-05-01), Morishita et al.
patent: 4720791 (1988-01-01), Daido
European Search Report-Appln. No. 89 30 9211.

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