Vibration damper with variable damping force

Details Vibration damper with variable damping force Vibration damper with variable damping force

2005-03-01

2005-03-01

Williams, Thomas (Department: 3683)

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

C188S282200, C188S282500, C188S313000, C188S317000, C188S320000, C188S322130

Reexamination Certificate

active

06860369

ABSTRACT:
A vibration damper with variable damping force, includes a cylinder filled with damping medium and in which a piston fastened to a piston rod axially moveably therein. The piston divides the working cylinder into two working spaces. The damping force for the directions of rebound and compression are influenced by nonreturn valves acting in the respective directions. A damping valve of variable damping action is additionally provided in series with each of the nonreturn valves so that the damping valve is active in both the rebound and compression directions.

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