Device for actively reducing sound transmission, and panel comprising such device

    Research output: Patent

    43 Downloads (Pure)

    Abstract

    A device for actively reducing sound transmission, provided with a first and second wall ( 3, 5 ) enclosing an inner space ( 1, 2 ), wherein at least the second wall ( 5 ) is provided with actuators ( 6 ), for instance eletromagnetic actuators and/or piezoeleteric elements, wherein the said inner space is provided with at least one inner wall ( 4 ) to divide this space into at least two layers of air ( 1, 2 ), which inner wall ( 4 ) is arranged such that the layers of air ( 1, 2 ) are in fluid connection with each other.
    Original languageUndefined
    Patent numberUS20050545138
    Priority date27/07/06
    Publication statusSubmitted - 10 Aug 2005

    Keywords

    • IR-64786
    • EWI-12802
    • METIS-248262

    Cite this

    Berkhoff, A. P. (2005). Device for actively reducing sound transmission, and panel comprising such device. Manuscript submitted for publication. (Patent No. US20050545138).
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