This paper describes a cold start emission reduction system developed for a 3.0L V6 test vehicle in order to meet SULEV emission regulations. The emphasis of this research is how the system can be used to meet SULEV emission standards without the need for a heavily loaded catalyst. A fuel-vaporizing device has been developed that generates vaporized fuel to be consumed during engine start up. The device allows for lean A/F ratio control during engine start and idle and is called a Combustion Stabilizing Device (CSD). A vehicle with a CSD mounted to the engine was tested in an emission lab. The test vehicle resulted in approximately 50% HC emission reduction in the first 20s of engine startup and had a catalyst warm-up time to T50 (50% converter efficiency) of less than 20s.


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    Titel :

    Emission Reduction Device for SULEV Vehicle Applications


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Miyajima, Ayumu (Autor:in) / Hunt, Frank (Autor:in) / Borg, Jonathan (Autor:in) / Amou, Kiyoshi (Autor:in) / Oho., Shigeru (Autor:in) / Ichihara, Takanobu (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    2004-03-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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