An object is to reduce various losses occurring in a speed-reduction/differential gear apparatus for electric vehicles including a planetary-gear speed reducer and a differential device, thereby improving transmission efficiency of the driving force and increasing travel distance of the electric vehicle per battery charge. A speed-reduction/differential gear apparatus for electric vehicles includes a planetary-gear speed reducer 12 and a differential device 13. A planetary gear mechanism in the speed reducer 12 includes a speed-reducer-side carrier 38 which has its inner diameter surface supported by a speed-reducer-side carrier support bearing 43. The invention provides proper mesh between in the pair of engaging teeth, leading to decrease in loss torque.


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    Title :

    REDUCTION DIFFERENTIAL GEAR APPARATUS FOR ELECTRIC VEHICLE


    Additional title:

    REDUKTIONSDIFFERENTIALGETRIEBEVORRICHTUNG FÜR ELEKTROFAHRZEUGE
    APPAREIL À ENGRENAGE FORMANT DIFFÉRENTIEL-RÉDUCTEUR POUR VÉHICULE ÉLECTRIQUE


    Contributors:
    FUKAMI RINO (author) / ABE KATSUFUMI (author)

    Publication date :

    2017-09-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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