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    Active/passive distributed absorber for vibration and sound radiation control

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    6700304.pdf (2.479Mb)
    Downloads: 24
    Publication Date
    2004-03-02
    Filing Date
    1999-04-20
    Inventor
    Fuller, Christopher R.
    Cambou, Pierre E.
    Metadata
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    Abstract
    The active/passive absorber for extended vibration and sound radiation control includes principally two layers. The first layer has a low stiffness per unit area which allows motion in the direction perpendicular to its main plane. The second layer is principally a mass layer. These two combined layers have a frequency of resonance close to one of the main structure. The dynamic behavior of the coupled system makes the active/passive absorber a passive absorbe; however, the first layer can be electrically actuated to induce motion in the direction perpendicular to its main plane. This addition property induces and/or changes the motion of the mass layer and therefore improves the dynamic properties of the active/passive absorber system.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    6700304
    Application Number
    9294398
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/04/003/067/0.pdf
    Primary/U.S. Class
    181/208
    Other/U.S. Class
    310/321
    310/326
    310/328
    310/800
    381/71.2
    CPC Class
    B32B3/28
    F16F15/00
    Y10S310/80
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72486
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    • Virginia Tech Patents [689]

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