Steering-wheel revolution number correction system of...

Details Steering-wheel revolution number correction system of... Steering-wheel revolution number correction system of...

2005-02-22

2005-02-22

DePumpo, Daniel G. (Department: 3611)

Motor vehicles

Having four wheels driven

Including pump and fluid motor, or generator and electric...

C180S235000, C180S242000, C180S307000

Reexamination Certificate

active

06857494

ABSTRACT:
Turning radius is calculated from steering angles of steering-wheels and articulation angles of respective frames, and the steering-wheels are automatically rotated faster than rear-wheels based on the turning radius, the revolution number of the rear-wheels, engine speed of an engine and a speed range of hydraulic motors, so that conventional trouble for manipulating operation lever etc. while turning a motor grader and skill-requiring work for adjusting the revolution number of the steering-wheels in accordance with the revolution number of the rear-wheels can be eliminated, thereby easily and accurately controlling the revolution number of the steering-wheels and securely preventing tight-corner braking phenomenon.

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