PROBLEM TO BE SOLVED: To provide a structure capable of shortening an axial dimension of an in-wheel motor drive device.SOLUTION: An in-wheel motor drive device (11) comprises: a wheel hub bearing part (11C) including a hub inner ring (12) having wheel connection parts (12h, 12p) for connecting to wheels on one side in an axial direction, a hub outer ring (13) enclosing the outer periphery of the hub inner ring, and a plurality of rolling bodies (14) disposed between the hub inner ring and the hub outer ring; a small-diameter external tooth gear (21) meshing with a large-diameter internal tooth gear (12g) disposed in an internal space of the hub inner ring and provided at the inner periphery of the hub inner ring; and a motor part (11A) for driving the external tooth gear, which is disposed on the other side of the wheel hub bearing part in a direction of an axis (O). The motor part is offset from the axis of the wheel hub bearing part in a direction perpendicular to the axis.SELECTED DRAWING: Figure 1

    【課題】インホイールモータ駆動装置の軸線方向寸法を短縮することができる構造を提供する。【解決手段】インホイールモータ駆動装置(11)は、車輪と連結するための車輪連結部(12h,12p)を軸線方向一方側に有するハブ内輪(12)、ハブ内輪の外周を包囲するハブ外輪(13)、およびハブ内輪とハブ外輪の間に配置される複数の転動体(14)を含む車輪ハブ軸受部(11C)と、ハブ内輪の内部空間に配置されてハブ内輪の内周に設けられる大径の内歯歯車(12g)と噛合する小径の外歯歯車(21)と、車輪ハブ軸受部の軸線(O)方向他方側に配置され、外歯歯車を駆動するモータ部(11A)とを備える。そしてモータ部は車輪ハブ軸受部の軸線から軸線直角方向にオフセットして配置される。【選択図】図1


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    Titel :

    IN-WHEEL MOTOR DRIVE DEVICE


    Weitere Titelangaben:

    インホイールモータ駆動装置


    Beteiligte:
    TAMURA SHIRO (Autor:in) / TAIKO MASAYA (Autor:in)

    Erscheinungsdatum :

    2017-01-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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