Importance

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Abstract

A shock absorber comprising an elongated tubular element, closed at one end, into which element at the other end a piston can move as counter element, is disclosed. The space delimited by the counter element inside the tubular element is divided into a high pressure chamber closed at one end closed by a first movable separating element which can come to rest against a stop element, a fluid chamber divided into at least two sections at the other end, which sections are separated from each other by a restricting element, which fluid chamber is closed by a second movable separating element embodied as a piston, and a low pressure gas chamber positioned between the first and second movable separating elements. During the operation of the shock absorber between the completely expanded position and the completely compressed position during a first motion phase the first separating element is at rest against the stop element and the second separating element is moving in the direction of the first separating element until both separating elements contact each other. Then, during a second motion phase both separating elements are moving together. The first separating element is embodied as a valve body, which, when the valve body is resting and not resting against the stop element realizes no connection and a connection, respectively between the high pressure gas chamber and the low pressure gas chamber.

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First Claim