Patent ID: 6220584
Filing Date: 2001-04-24
Classification: B60K,F16F

Abstract:
A hydraulically damping engine bearing, comprising:a plurality of elastic walls arranged so as to at least partially border and define two fluid-filled chambers;a limitedly deflectable diaphragm arranged so as to separate the two chambers;at least one channel in communication between the fluid-filled chambers;means for adjusting a spring rate characteristic of the engine bearing, the spring rate adjusting means including a suspension spring arranged outside of one of the chambers, an intermediate space being defined by the suspension spring and a rigid bordering wall of the one of the chambers, and a valve arranged in communication with the intermediate space so as to enable the intermediate space to be aerated and de-aerated; anda stop arranged to face a side of the suspension spring opposite to the rigid bordering wall so as to prestress the suspension spring when the engine bearing is not loaded so that the suspension spring is positioned centrally between the stop and the rigid bordering wall when the engine bearing is under the influence of a static load.