Vehicle suspension system

Details Vehicle suspension system Vehicle suspension system

1989-12-19

1990-11-27

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

B60G 1126

Patent

active

049738550

ABSTRACT:
A vehicle suspension system has fluid cylinders connected between the vehicle body and the respective wheels. A fluid control system controls feed and discharge of hydraulic fluid to and from the fluid cylinders and changes the suspension properties of the suspension system. A failure in the fluid control system is detected and when the control system fails, one of first to third measure modes is taken on the basis of the kind of the failure. Warning is just given and the control of feed and discharge of hydraulic fluid to and from the fluid cylinders being continued when the first measure mode is taken, the control of feed and discharge of hydraulic fluid to and from the fluid cylinders is interrupted with the chassis height fixed to the present height when the second measure mode is taken, and the fluid in the fluid cylinders is discharged and the chassis height is lowered when the third measure mode is taken.

REFERENCES:
patent: 4765648 (1988-08-01), Mander et al.
patent: 4803627 (1989-02-01), Yasuike et al.
patent: 4826205 (1989-05-01), Kouda et al.
patent: 4827416 (1989-05-01), Kawagoe et al.

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