The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2009
Filed:
Nov. 08, 2005
Yoshinori Watanabe, Inuyama, JP;
Yoshinori Watanabe, Inuyama, JP;
Tokai Rubber Industries Ltd., Komaki-shi, JP;
Abstract
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.