Controllable vibration damper

Details Controllable vibration damper Controllable vibration damper

1989-09-01

1992-04-28

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188319, 280707, 280714, F16F 946

Patent

active

051079690

ABSTRACT:
A controllable vibration damper for automotive vehicles is disclosed having a damping piston which is axially slidably and sealedly guided in a damping tube, and which subdivides the damping tube filled with a damping medium into two working chambers. The connection between the two working chambers is provided with at least one non-regulated first valve and at least one controllable second valve, which valves are arranged acting hydraulically in parallel in respect to one another. In order to be able to regulate the effective damping force continuously in wide ranges, for the adjustment of damping hardness, the controllable valve will periodically open and close in rapid sequence in dependence upon pulsed control signals.

REFERENCES:
patent: 4065154 (1977-12-01), Glaze
patent: 4573705 (1986-03-01), Kanai et al.
patent: 4651290 (1987-03-01), Masaki et al.
patent: 4686628 (1987-08-01), Kuroki et al.
patent: 4697825 (1987-10-01), Hayashi et al.
patent: 4749069 (1988-06-01), Knecht et al.

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