Starting from a classification of car transmissions and from the manufacturers requirements, especially for fuel savings, the potential advantages of continuously variable transmissions permitting to associate low engine RPM with high vehicle speed, are shown.The control of the engine, transmission and clutch to reach a given optimum, is explained.Here are given results of simulation or testing of vehicles equipped with a Renault hydrostatic prototype transmission, a 2-mode hydromechanical transmission and a Van Doorne prototype Transmatic.Highway fuel economy trends are quantified in case of substitution of the conventional S.I. engine for Diesel and/or turbocharged engines.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Continuously Variable Transmissions for Cars with High Ratio Coverage


    Additional title:

    Sae Technical Papers


    Contributors:
    Baudoin, P. (author)

    Conference:

    1979 Automotive Engineering Congress and Exposition ; 1979



    Publication date :

    1979-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






    Continuously Variable Transmissions for Cars with High Ratio Coverage

    Baudoin,P. / Renault,FR | Automotive engineering | 1979


    Continuously- variable transmissions.

    Automotive engineering | 1975


    Lubrication of continuously variable transmissions

    Kraneburg,P. / Blackburn,J.H. / Mitsui,H. et al. | Automotive engineering | 1998