Modifications to continuously variable transmissions (CVT) are presented in order to improve overall performance in recreational vehicles. A computer controlled CVT would eliminate performance-inhibiting compromises currently imposed by mechanical sensors and actuators. The authors propose a computer controlled CVT to obtain improved performance. This paper considers a snowmobile modification that is a stepping-stone towards a fully computer controlled CVT. External force was applied with a pneumatic cylinder and four bar linkage to the driven pulley to vary sheave pressure and override the natural shift pattern. An external force of 431 N increased track speed 59% during hill climb testing. Ultimately, a microprocessor would use input signals from track speed, engine speed, and throttle position to shift the CVT to obtain maximum performance.


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    Titel :

    Improved Recreational Vehicle Continuously Variable Transmission


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Robison, Aaron (Autor:in) / Todd, Robert H. (Autor:in) / Raymond, Roger (Autor:in) / Hale, Zac (Autor:in)

    Kongress:

    Small Engine Technology Conference & Exposition ; 2004



    Erscheinungsdatum :

    27.09.2004




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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