Patent attributes
An active vibration damping device wherein first and second mounting members are linked by a main rubber elastic body, a pressure receiving chamber having a non-compressible fluid sealed therein is defined by the main rubber elastic body at one part and by an oscillation member in the other part. A solenoid actuator designed with a movable element positioned inserted into a guide hole of a stator having a yoke member is attached about a coil to form a stator-side magnetic path with the guide hole lying on its center axis, so that current passed through the coil creates actuating force in the axial direction between the stator and the movable element. The stator of the solenoid actuator is affixed to the second mounting portion and the movable element is attached to the oscillation member. A bias urging assembly is disposed for urging the movable element in one axis-perpendicular direction to the stator.
