The variable intake and exhaust control valve system for the in-line four-cylinder motorcycle engine was developed for realization of high engine power in all the engine speed ranges. Both the variable intake and exhaust control valves are operated by one servomotor. For high engine speeds, the exhaust collector pipe design for merging of each exhaust gas flow at 180 degrees phase difference is used. For mid engine speeds, the design for merging of each exhaust gas flow at 360 degrees phase difference is used. Two modes are provided to the intake control, and three modes are provided to the exhaust control. Along with exhaust-gas treatment systems such as the catalyst and air-injection system, high engine performance with optimum driveability and reduced emission are realized.


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    Titel :

    Intake and Exhaust Systems Equipped with a Variable Valve Control Device for Enhancing of Engine Power


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yamada, Hajime (Autor:in) / Takahashi, Kyo (Autor:in) / Iwase, Noritoshi (Autor:in) / Nakayasu, Tetsuya (Autor:in) / Suda, Toshikazu (Autor:in)

    Kongress:

    SAE 2001 World Congress ; 2001



    Erscheinungsdatum :

    05.03.2001




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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