Power assisted steering system for a motor vehicle and control m

Details Power assisted steering system for a motor vehicle and control m Power assisted steering system for a motor vehicle and control m

1989-04-11

1990-06-19

Marmor, Charles A.

Motor vehicles

Compensating devices

310190, B62D 504

Patent

active

049344722

ABSTRACT:
A power assisted steering system which utilizes a brushless electric motor having a rotor and a wound stator. The rotor is directly connected to the steering shaft 12 rotated by a driver of the vehicle, and is formed by a number of permanent magnets secured in respective recesses on the steering shaft. The controller 17 associated with the steering system is arranged to switch off the motor 15 above a pre-determined vehicle speed.

REFERENCES:
patent: 2754465 (1956-07-01), Brier
patent: 3493831 (1970-02-01), Roberts
patent: 3529220 (1970-09-01), Kobayashi
patent: 3906267 (1975-09-01), Coupin et al.
patent: 4582155 (1986-04-01), Ohe
patent: 4667123 (1987-05-01), Denk et al.
patent: 4753309 (1988-06-01), Marumoto et al.

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