Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

1985-03-19

1986-11-11

Pekar, John A.

Motor vehicles

Compensating devices

7386233, B62D 504

Patent

active

046217010

ABSTRACT:
In an electric power steering apparatus including an input shaft, an output shaft and an electric motor for imparting a steering torque to the output shaft, a torque sensor includes a torsion bar provided between the input shaft and the output shaft. A movable member converts the output of the torsion bar into an axial movement of the same. The axial movement varies an electrostatic capacitance formed between an end of the movable member and an electrode plate held stationary, and the variation of the capacitance is utilized for controlling the electric motor in driving the output shaft.

REFERENCES:
patent: 2551742 (1951-05-01), Huebner et al.
patent: 3104544 (1963-09-01), Guiot
patent: 3580352 (1971-05-01), Hestad et al.
patent: 4522278 (1985-06-01), Kitagawa et al.

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