A sound dampening system having at least two acoustic deflection pads separated by a distance and an actuator operable to alter the distance in response to a stimulus is disclosed. In some embodiments, the actuator is a shape memory alloy wire. The system is capable of alternating between a compact mode and a superior sound blocking mode. A door of an automotive vehicle incorporating such a system and a method of fabricating such a system is also disclosed.


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    Title :

    TUNABLE SOUND DAMPENING SYSTEM


    Contributors:

    Publication date :

    2015-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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