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    IN-WHEEL MOTOR DRIVING DEVICE
    1.
    发明申请
    IN-WHEEL MOTOR DRIVING DEVICE 有权
    车轮电机驱动装置

    公开(公告)号：US20150231959A1

    公开(公告)日：2015-08-20

    申请号：US14432544

    申请日：2013-09-30

    申请人： NTN CORPORATION

    发明人： Aiko Ishikawa ,  Ken Yamamoto ,  Tetsuya Yamamoto

    IPC分类号： B60K7/00 ,  B60K17/14

    CPC分类号： B60K7/0007 ,  B60B35/14 ,  B60K7/00 ,  B60K17/14 ,  B60K17/145 ,  B60K2007/0038 ,  B60K2007/0061 ,  F16C19/06 ,  F16C19/184 ,  F16C19/54 ,  F16C2326/02 ,  F16D1/10 ,  F16D2001/103

    摘要： A gear shaft of an output gear in a speed reducer B of an in-wheel motor driving device is supported at its two ends with respect to a housing. The double-end supported gear shaft of the output gear is formed with a spline hole. The spline hole provides spline-connection with an output shaft of the wheel hub C. This structure makes the gear shaft less likely to come out of alignment even if the output gear comes under a bending moment. Therefore, even if an external force such as a lateral force from a tire causes the output shaft of the wheel hub C to develop a shaft deflection, the deformation/displacement is absorbed by a gap between splines which connect the output shaft of the wheel hub C and the output gear with each other.

    摘要翻译： 轮毂马达驱动装置的减速器B中的输出齿轮的齿轮轴在其两端相对于壳体被支撑。 输出齿轮的双端支撑齿轮轴形成有花键孔。 花键孔与轮毂C的输出轴提供花键连接。这种结构使得即使输出齿轮处于弯矩时齿轮轴也不太可能不对准。 因此，即使来自轮胎的侧向力等外力也会导致轮毂C的输出轴产生轴偏转，所以变形/位移被连接轮毂的输出轴的花键之间的间隙吸收 C和输出齿轮彼此。