Variable steering gear ratio apparatus and method using the...

Details Variable steering gear ratio apparatus and method using the... Variable steering gear ratio apparatus and method using the...

2007-05-08

2007-05-08

Morris, Lesley D. (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S446000, C180S428000

Reexamination Certificate

active

11010006

ABSTRACT:
The present invention provides a variable steering gear ratio apparatus adapted to adjust the steering gear ratio based on the vehicle speed and steering angle, thereby facilitating steering manipulation by applying a small steering gear ratio when the vehicle comes to a parked state, the vehicle speed is low, or the steering angle is large. By applying a large steering gear ratio when the vehicle speed is high or the steering angle is small, the steering stability of the vehicle improves.

REFERENCES:
patent: 4658927 (1987-04-01), Kanazawa
patent: 2002-331941 (2002-11-01), None

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