Automatic level control system for automotive vehicle with fail-

Details Automatic level control system for automotive vehicle with fail- Automatic level control system for automotive vehicle with fail-

1985-11-06

1987-04-21

Mitchell, David M.

Land vehicles

Wheeled

Running gear

280714, B60G 1126

Patent

active

046591044

ABSTRACT:
An automotive height control system for an automotive vehicle includes an actuator disposed within a vehicle suspension system for adjusting the vertical dimension between a vehicle body and a wheel axle. The actuator is connected to a controller to receive a control signal which orders adjustment of the vehicle height. The height control system further includes a damping characteristics controller cooperative with the actuator for adjusting damping characteristics of the suspension system according to the vehicle height. In addition, the system is provided with a vehicle height sensor which monitors the height of the vehicle from the road surface and provides a vehicle height indicative signal. A fail-safe system detects abnormal height conditions as indicated by the vehicle height indicative signal to produce a fail-safe signal. The actuator and the damping characteristics controller respond to the fail-safe signal by equalizing their internal pressures.

REFERENCES:
patent: 3752497 (1973-08-01), Enke et al.
patent: 4586728 (1986-05-01), Tokunaga et al.

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