The invention relates to a drive assembly (1) comprising: - a casing (4); - a reducer device (3) comprising an input shaft (13) that is equipped with a transmission gear (15) and whose rotation is guided inside the casing (4), along an axis X, by means of a first roller bearing (17) and a second roller bearing (18); - an electric motor (2) comprising a stator (10) that is secured to the inside of the casing (4) and a rotor (11) that comprises a rotor shaft (12) that is rotatably coupled to the input shaft (13) of the reducer device (3) and whose rotation is guided inside the casing (4) by means of the second roller bearing (18) and a third roller bearing (19), wherein the inner bearing surface (30) of the input shaft (13) inside the second roller bearing (18) has at least one portion whose axial length (l1) is greater than 60% of the axial dimension (l3) of the second roller bearing (18).


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    Title :

    ENSEMBLE DE PROPULSION, NOTAMMENT POUR VÉHICULE AUTOMOBILE


    Additional title:

    DRIVE ASSEMBLY, IN PARTICULAR FOR A MOTOR VEHICLE
    ANTRIEBSANORDNUNG, INSBESONDERE FÜR EIN KRAFTFAHRZEUG


    Contributors:
    VERHOOG ROËL (author) / FOUCART GREGORY (author) / SERHAL JAD (author) / MAUREL HERVE (author)

    Publication date :

    2024-10-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    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 / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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