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).
ENSEMBLE DE PROPULSION, NOTAMMENT POUR VÉHICULE AUTOMOBILE
DRIVE ASSEMBLY, IN PARTICULAR FOR A MOTOR VEHICLE
ANTRIEBSANORDNUNG, INSBESONDERE FÜR EIN KRAFTFAHRZEUG
09.10.2024
Patent
Elektronische Ressource
Französisch
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