Full-toroidal traction drives (IVT, TCVT & TVAD) have demonstrated a significant fuel economy, emissions and cost benefits across a diverse range of applications. However, increasing emphasis is being placed on power density and endurance limits, hence additional demands are being placed on the ability of the variator elements and traction fluid to withstand the heavily loaded rolling contact fatigue conditions within the variator. This paper describes the experimental work done to demonstrate the high temperature durability of traction fluid and variator disc and roller material. In addition, the latest fatigue endurance limit testing results are presented which provide further evidence of traction fluid ‘fill for life’


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    Title :

    Full-Toroidal Traction Drive Variator Material and Fluid Durability


    Additional title:

    Sae Int. J. Engines


    Contributors:

    Conference:

    SAE 2011 World Congress & Exhibition ; 2011


    Published in:

    Publication date :

    2011-04-12


    Size :

    7 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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