PROBLEM TO BE SOLVED: To provide a technology for reducing a dimension in the axial direction of an in-wheel motor driving device.SOLUTION: In a wheel hub bearing part (11) of an in-wheel motor driving device, an outer ring (13) includes an outer ring cylindrical member (13b) having outside orbital planes (13m and 13n) for making a rolling element (14) rollingly travel, an outer ring attachment member (13c) having a through-hole for receiving the outer ring cylindrical member and fitted in a predetermined axial directional dimension (Ls) to an outer peripheral surface of the outer ring cylindrical member and outer ring attachment member seat parts (13f and 13h) provided in the outer ring attachment member and joined to both or any one of a casing (38b) and a vehicle body side member (102), and an inner ring (12) includes an inner ring seat part (12c) in one end part in the axial direction of projecting from the outer ring, and the outside orbital planes and the rolling elements (14m and 14n) are arranged in a double row at an interval in the axial (O) direction.SELECTED DRAWING: Figure 3

    【課題】インホイールモータ駆動装置の軸線方向寸法を小さくする技術を提供する。【解決手段】インホイールモータ駆動装置の車輪ハブ軸受部(11)において、外輪(13)は、転動体(14)が転走する外側軌道面(13m,13n)を有する外輪筒部材(13b)と、外輪筒部材を受け入れる貫通孔を有し外輪筒部材の外周面に所定の軸線方向寸法(Ls)で嵌合する外輪アタッチメント部材(13c)と、外輪アタッチメント部材に設けられてケーシング(38b)と車体側メンバ(102)の両方またはどちらか一方と結合するための外輪アタッチメント部材座部(13f,13h)を含み、内輪(12)は外輪から突出する軸線方向一方端部に内輪座部(12c)を含み、外側軌道面および転動体(14m,14n)は軸線(O)方向に間隔を空けて複列で配置される。【選択図】図3


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    Title :

    IN-WHEEL MOTOR DRIVING DEVICE


    Additional title:

    インホイールモータ駆動装置


    Contributors:
    SUGIURA SAORI (author) / TAIKO MASAYA (author) / TAMURA SHIRO (author)

    Publication date :

    2018-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / F16C SHAFTS , Wellen



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