A new four-speed automatic transmission with overdrive has been developed and put into production for the purpose of the improvement of fuel economy and the reduction of engine noise.The transmission has the following characteristics: Gear train arrangement having overdrive unit between the torque converter and the three-speed auxiliary transmission High overdrive gear ratio Shift feel controls for clutch-to-clutch shifting Optimum shift points between third and overdrive gears on fuel economy, driveability and exhaust emissions Lockout system of overdrive gear This paper describes the design features and confirmation testings considered to assure the reliability and durability of the transmission.It also refers to effects on fuel economy and noise of the transmission in the vehicle.


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    Titel :

    Toyota Four-Speed Automatic Transmission with Overdrive


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Numazawa, Akio (Autor:in) / Kubo, Seitoku (Autor:in) / Moroto, Shuzo (Autor:in) / Shindo, Yoshio (Autor:in)

    Kongress:

    1978 Automotive Engineering Congress and Exposition ; 1978



    Erscheinungsdatum :

    1978-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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