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    • 128. 发明申请
    • DRIVE DEVICE FOR ELECTRIC VEHICLE
    • 电动车用驱动装置
    • US20140031160A1
    • 2014-01-30
    • US14004016
    • 2011-03-08
    • Minoru SuzukiTomoaki Makino
    • Minoru SuzukiTomoaki Makino
    • B60K1/00
    • B60K1/00B60K7/0007B60K17/046B60K2007/0038B60K2007/0092F16H57/0037F16H57/082H02K7/116H02K24/00Y02T10/641
    • An object of the present invention is to achieve improvements in the rotational accuracy of the input shaft and the durability of the bearings, and suppression of rotational noise, by improving the support structure of the input shaft of the speed reduction unit. Provided is a drive device for an electric vehicle, including: an electric motor; a speed reduction unit including an input shaft driven by output of the electric motor; and a hub unit rotationally driven by an output member of the speed reduction unit, wherein the input shaft of the speed reduction unit is supported by bearings provided at two locations in an axial direction, the drive device for an electric vehicle being configured such that the bearings at the two locations are attached together to the output member.
    • 本发明的目的是通过改进减速单元的输入轴的支撑结构来实现输入轴的旋转精度和轴承的耐久性的改善以及抑制旋转噪音。 提供一种电动车辆的驱动装置,包括:电动机; 减速单元,包括由电动机的输出驱动的输入轴; 以及由所述减速单元的输出构件旋转驱动的轮毂单元,其中,所述减速单元的输入轴由轴向设置在两个位置的轴承支撑,所述电动车辆的驱动装置被构造成 在两个位置处的轴承被连接在一起到输出构件。