Electrical power steering system

Details Electrical power steering system Electrical power steering system

1985-09-16

1987-02-24

Love, John J.

Motor vehicles

Compensating devices

180142, 7386268, B62D 504

Patent

active

046450246

ABSTRACT:
An accurately operated automotive power steering system comprises a housing, an input shaft, an output shaft, an angular displacement producing mechanism for producing an angular displacement between the input and output shaft according to the torque applied to the input shaft, a sensor for delivering an output corresponding to the angular displacement, and a motor for rotating the output shaft in response to the output from the sensor. One end surface of the input shaft has a tapering recessed surface at its center. Also, the bottom surface of the hole in the output shaft has a tapering recessed surface. A steel ball is sandwiched between these recessed surfaces. A compressed spring is further provided whose one end bears on the input shaft. The other end bears on the inner surface of the housing. The input shaft is pressed against the output shaft via the steel ball.

REFERENCES:
patent: 3983953 (1976-10-01), Bayle
patent: 4241804 (1980-12-01), Deininger et al.
patent: 4437531 (1984-03-01), Urabe

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