For the BMW V8 engine, a new LEV/EU3 emission concept has been developed by improvements to the previous engine management and secondary air supply and a complete new exhaust system. Beside the emission limits, also high engine output targets and high operating reliability were targeted. In addition the new exhaust system had to meet low cost targets. Based on these requirements an exhaust concept with separate pre catalyst and main catalyst was chosen. To reduce the heat mass and to optimize the pressure drop, 4.3mil/400cpsi thin wall ceramic substrates were used for the pre and main catalyst.


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    Titel :

    The Development of a BMW Catalyst Concept for LEV/EU3 Legislation for a 8 Cylinder Engine by Using Thin Wall Ceramic Substrates


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Vogt, C.D. (Autor:in) / Umehara, K. (Autor:in) / Rippert, N. (Autor:in) / Ehmann, P. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1999



    Erscheinungsdatum :

    1999-03-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch