PROBLEM TO BE SOLVED: To provide an in-wheel motor drive device in which the distance from an axis of a wheel hub to an outer peripheral surface of a motor is shorter than the conventional one, and the motor diameter can be made larger than the conventional one.SOLUTION: A wheel hub bearing part (11) comprises: an outer ring (12) for coupling with a wheel (W) disposed on one side of the wheel hub bearing part in an axial direction (O); a fixed shaft (15) passed through a center hole of the outer ring; and a plurality of rolling elements (14) disposed in an annular space between the outer ring and the fixed shaft. A motor part (21) and a deceleration part (31) are arranged offset from the axis of the wheel hub bearing part in a perpendicular direction. The motor part is arranged adjacently to the other end part (15f) of the fixed shaft in the axial direction. The deceleration part has an output gear (40) coupled with the outer ring, and a rolling bearing (41) provided between the output gear and the fixed shaft and rotatably supporting the output gear. A carrier (18) is disposed on the other side in the axial direction with respect to the wheel hub bearing part and fixed to the other end part of the fixed shaft in the axial direction.SELECTED DRAWING: Figure 3

    【課題】車輪ハブの軸線からモータ外周面までの距離を従来よりも短く、モータ直径を従来よりも大きくすることができるインホイールモータ駆動装置を提供する。【解決手段】車輪ハブ軸受部(11)は、当該車輪ハブ軸受部の軸線(O)方向一方に配置される車輪(W)と結合するための外輪(12)、外輪の中心孔に通される固定軸(15)、外輪と固定軸の環状空間に配置される複数の転動体(14)を有し、モータ部(21)および減速部(31)は車輪ハブ軸受部の軸線から直角方向にオフセットして配置され、モータ部は固定軸の軸線方向他方端部(15r)に隣接配置され、減速部は外輪と結合する出力歯車(40)、および出力歯車と固定軸の間に設けられて出力歯車を回転自在に支持する転がり軸受(41)を有し、キャリア(18)は車輪ハブ軸受部よりも軸線方向他方に配置され、固定軸の軸線方向他方端部に固定される。【選択図】図3


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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 :

    2017-09-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16C SHAFTS , Wellen / F16H Getriebe , GEARING / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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