To provide a wheel drive unit which can be shortened in a dimension in an axial direction.SOLUTION: A wheel drive unit (1) comprises an inner tooth member (33) having an inner tooth gear, an outer tooth gear (35), a carrier (45) synchronized with a rotation component or a revolution component of the outer tooth gear (35), main bearings (51A, 51B) arranged between the inner tooth member and the carrier, and a wheel (11) integrally rotating together with the inner tooth member. Then, the carrier (45) has an extension part (45b) arranged outside the inner tooth member in a radial direction, the main bearings (51A, 51B) are arranged between the extension part (45b) and the inner tooth member (33), and an external peripheral face of the wheel (11) is arranged outside the extension part (45b) in the radial direction.SELECTED DRAWING: Figure 1

    【課題】軸方向の寸法を短縮化できる車輪駆動装置を提供する。【解決手段】車輪駆動装置(1)は、内歯歯車を有する内歯部材(33)と、外歯歯車(35)と、外歯歯車(35)の自転成分又は公転成分と同期するキャリア(45)と、内歯部材とキャリアとの間に配置される主軸受(51A、51B)と、内歯部材と一体的に回転するホイール(11)と、を備える。そして、キャリア(45)は、内歯部材の径方向外方に配置された延在部(45b)を有し、主軸受(51A、51B)は、延在部(45b)と内歯部材(33)との間に配置され、ホイール(11)の外周部が、延在部(45b)の径方向外方に配置されている。【選択図】図1


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    Titel :

    WHEEL DRIVE UNIT


    Weitere Titelangaben:

    車輪駆動装置


    Beteiligte:

    Erscheinungsdatum :

    2020-04-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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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