Suspension system for a vehicle

Details Suspension system for a vehicle Suspension system for a vehicle

1991-10-28

1992-12-22

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

188299, 36442405, B60G 1700

Patent

active

051729296

ABSTRACT:
In a suspension system for a vehicle comprising a shock absorber of which damping force characteristic can be changed into three or more characteristics, the predetermined running state of the vehicle is detected by detecting means and there is limited to two or so the number of the damping force characteristics to be selected from the three or more characteristics of the shock absorber according to the running state. The damping force characteristic of the shock absorber is selected and changed on the basis of a given control rule only within the limited damping force characteristics. In addition, the threshold of the control rule is changed such that the damping force characteristic of the shock absorber can easily be changed into the higher or lower level side according to the rate of change in the predetermined running state. Thus, it is possible to prevent noise and oscillation from being caused by the large change of the damping force characteristic. Furthermore, there can be obtained comfortableness to ride in and stability on a high level.

REFERENCES:
patent: 4905152 (1990-02-01), Kawabata
patent: 4907154 (1990-03-01), Yasuda et al.
patent: 4961483 (1990-10-01), Yamaoka et al.

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