Motor-driven power steering system

Details Motor-driven power steering system Motor-driven power steering system

1985-10-10

1987-06-09

Love, John J.

Motor vehicles

Compensating devices

74388PS, 180142, B62D 504

Patent

active

046713719

ABSTRACT:
A motor-driven power steering system in a motor vehicle having a body, a steering wheel, and steerable wheels. The power steering system includes a linkage mechanism including tie rods coupled to the steerable wheels and an arm coupled to the tie rods and operatively connecting the steering wheel and the steerable wheels to each other. A torque detector is disposed in the linkage mechanism for detecting the torque applied to the steering wheel and generating a signal indicative of the detected torque. A motor is fixedly mounted on the body and has an output shaft, and the arm is fixed to the output shaft of the motor. The power steering system also has a power supply for energizing the motor and a control circuit responsive to the signal from the torque detector for controlling the torque generated by the motor. Noise and vibration produced by the motor is effectively prevented from being transmitted to the passenger compartment and the steering wheel.

REFERENCES:
patent: 1948487 (1934-02-01), Berry
patent: 3229992 (1966-01-01), Traywick
patent: 3659906 (1972-05-01), Horvath
patent: 4176728 (1979-12-01), Otteblad
patent: 4437531 (1984-03-01), Urabe
patent: 4530413 (1985-07-01), Baike
patent: 4570734 (1986-02-01), Taig

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