In the past years Eberspaecher has installed Active Exhaust Silencers on several passenger vehicles with different diesel and gasoline engines on a prototype level. Meanwhile, a substantial reduction of the exhaust noise is regularly achieved in a broad frequency range covering all relevant engine orders. Due to the higher acoustic excitation and higher exhaust temperatures in gasoline engines it is more difficult to implement the ANC-technology on those engines. However, results from roller test benches focus on the acoustic performance as well as weight and volume reductions and demonstrate a marked improvement which was achieved with gasoline engines too. Further progress was made in the development of the durability and industrialization of all relevant components of the system. Finally, current design trends and possible fields of application will be discussed.


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    Titel :

    Progress on Active Exhaust Silencers for Gasoline Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Krueger, Jan (Autor:in) / Pommerer, Michael (Autor:in) / Frei, Tom (Autor:in)

    Kongress:

    SAE 2011 Noise and Vibration Conference and Exhibition ; 2011



    Erscheinungsdatum :

    2011-05-17




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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