Suspension system for vehicle

Details Suspension system for vehicle Suspension system for vehicle

1992-02-11

1994-07-12

Pape, Joseph D.

Motor vehicles

With leveling device

280707, B60G 1700

Patent

active

053279832

ABSTRACT:
A suspension system for a vehicle has shock absorbers, each provided so as to be associated with one wheel and between sprung parts and unsprung parts, step motors, each being adapted for changing damping force characteristics of one of the shock absorbers by open loop control, and a controller for outputting control signals to the step motors. The controller is adapted for outputting control signals every predetermined time interval so as to make the damping force characteristics of the shock absorbers harder. According to the thus constituted suspension system for a vehicle, it is possible to prevent the driving stability from being lowered even when at least one of the step motors is thrown out of synchronism.

REFERENCES:
patent: 4909536 (1990-03-01), Hale
patent: 4927170 (1990-05-01), Wada
patent: 5004080 (1991-04-01), Wada
Wolfram Zylka, Positionieren mit Schrittmotoren, Elektrische Ausrustung, No. 4, Aug. 1976, pp. 18-21.

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