An active damper is disclosed which includes: an elastic support body; a first wall section provided at the elastic support body and defines a first liquid chamber; a second wall section provided on an opposite side and defines a second liquid chamber; a partition wall section which separates the first liquid chamber from the second liquid chamber; an orifice in the partition wall section for communication between the first and second liquid chambers; and a damping unit to attenuate the vibrations transmitted from a vibrating source to the vibration-receiving part. The damping unit includes: a coil to generate a magnetic field according to a current supplied; magnetic members forming a closed magnetic circuit for the magnetic field; and a magneto-viscoelastic elastomer having a viscoelasticity changes depending on the magnetic field. At least one of the first and second wall sections, and the partition wall section has the damping unit.


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    Title :

    Active damper


    Contributors:

    Publication date :

    2020-11-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16F SPRINGS , Federn / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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