Hydraulic circuit for actively controlled automotive suspension

Details Hydraulic circuit for actively controlled automotive suspension Hydraulic circuit for actively controlled automotive suspension

1989-01-26

1991-05-07

Marmor, Charles A.

Land vehicles

Wheeled

Running gear

280714, B60G 17015

Patent

active

050130617

ABSTRACT:
An an actively controlled suspension system includes a fail-safe system which is associated with a pressure control valve and detective of failure of a control circuit to perform fail-safe operation. The fail-safe system operates the pressure control valve in response to failure of the control circuit, to fix the valve position corresponding to a working fluid pressure in a working chamber defined in a suspension cylinder disposed between a vehicular body and a suspension member rotatably supporting a vehicular wheel, at a pressure value at or in the vicinity of a predetermined initial or neutral pressure.

REFERENCES:
patent: 4702490 (1987-10-01), Yamaguchi et al.

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