Servomotor assisted rack-and-pinion steering or control system

Details Servomotor assisted rack-and-pinion steering or control system Servomotor assisted rack-and-pinion steering or control system

1995-10-31

1998-01-27

Johnson, Brian L.

Motor vehicles

Steering gear

With electric power assist

74388PS, B62D 504

Patent

active

057113963

ABSTRACT:
A rack-and-pinion steering or control system with a servomotor, especially an electric motor, which can be coupled to the rack by way of a mechanical transmission and runs continuously in one direction is provided. The rack is designed over a certain area as a screw which interacts with a recirculating ball sleeve which can be driven in two directions of rotation by the motor. To control the direction of rotation, use is made of normally disengaged clutches which can be controlled as a function of a small displacement of the recirculating ball sleeve.

REFERENCES:
patent: 4241804 (1980-12-01), Deininger et al.
patent: 4415054 (1983-11-01), Drutchas
patent: 4416345 (1983-11-01), Barthelemy
patent: 4593781 (1986-06-01), Galtier
patent: 4921061 (1990-05-01), Asano
patent: 5040631 (1991-08-01), Lang et al.
patent: 5209315 (1993-05-01), Schlagmueller et al.

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