Motor vehicles – Compensating devices
Patent
1994-02-04
1996-01-09
Focarino, Margaret A.
Motor vehicles
Compensating devices
180 791, B62D 502
Patent
active
054821304
ABSTRACT:
Provided is a variable ratio steering system for a vehicle which can maintain the relationship between the steering angle at the steering wheel and the behavior of the vehicle substantially constant without regard to the travelling speed of the vehicle. A rotational movement of a steering wheel is converted into a linear movement of a conversion shaft which is provided with a radial pin. An annular rocking movement member consisting of an outer ring and an inner ring surrounds the conversion shaft. The outer ring is rotatably supported by a casing so that its inclination angle relative to the axial line of the conversion shaft may be varied, and the inner ring is coaxially and freely rotatably received in the outer ring. The radial pin of the conversion shaft engages with the inner ring via a spherical joint. Therefore, the linear movement of the conversion shaft is converted into a rotational movement of the conversion shaft which is in turn converted into a steering movement. Thus, by varying the inclination angle of the outer ring in dependence on the vehicle speed, the ratio of the steering angle of the steerable wheels to the steering input can be varied so that both responsive handling in a low to medium speed range and stability in a high speed range can be obtained.
REFERENCES:
patent: 5050697 (1991-09-01), Umemura
patent: 5174407 (1992-12-01), Shimizu et al.
patent: 5267625 (1993-12-01), Shimizu
patent: 5284219 (1994-02-01), Shimizu et al.
Focarino Margaret A.
Honda Giken Kogyo Kabushiki Kaisha
Zeender F.
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