IN-WHEEL MOTOR DRIVING DEVICE
    1.
    发明公开

    公开(公告)号:US20240217332A1

    公开(公告)日:2024-07-04

    申请号:US18382752

    申请日:2023-10-23

    CPC classification number: B60K7/0007 B60K2007/0038

    Abstract: An in-wheel motor drive device includes: a motor case housing a motor provided in a wheel of a drive wheel; a reduction gear case housing a reduction gear; and a plurality of fastening bolts for fastening the motor case and the reduction gear case. Further, among the plurality of fastening bolts, a pair of fastening bolts facing each other across a stator coil end portion of the motor is arranged on a same straight line in a radial direction orthogonal to an axis direction of the motor.

    IN-WHEEL MOTOR
    2.
    发明公开
    IN-WHEEL MOTOR 审中-公开

    公开(公告)号:US20240253448A1

    公开(公告)日:2024-08-01

    申请号:US18496181

    申请日:2023-10-27

    CPC classification number: B60K7/0007 H02K9/19 B60K2007/0038

    Abstract: An in-wheel motor having a case including a motor case, a motor cover, and a reduction gear case, wherein the oil pump includes a pump chamber formed in the motor cover, a pump cover attached to the motor cover and closing the pump chamber, It has a pump shaft that penetrates the pump cover, a drive gear that is attached to the pump shaft and arranged inside the pump chamber, and a driven gear that meshes with the drive gear and is arranged inside the pump chamber, the pump shaft is attached to the input shaft of the reduction gear, the pump cover is bolted to the motor cover from the inside of the case, and the pump cover is integrally formed with a positioning structure for determining the position of the pump shaft.

    MOTOR UNIT
    3.
    发明公开
    MOTOR UNIT 审中-公开

    公开(公告)号:US20240246407A1

    公开(公告)日:2024-07-25

    申请号:US18541390

    申请日:2023-12-15

    Abstract: A motor unit includes a first rotating shaft driven by a motor and including a first gear, a pair of first bearings, each of which is located on each side of the first gear, and that supports the first rotating shaft to the casing such that the first rotating shaft is rotatable, a second rotating shaft being parallel to the first rotating shaft and including a second gear meshing with the first gear, and a pair of second bearings, each of which is located on each side of the second gear, and that supports the second rotating shaft to the casing such that the second rotating shaft is rotatable. The second bearings are located between the first bearings in an axial direction parallel to the first rotating shaft and the second rotating shaft, and each of the second bearings includes an outer ring, an inner ring, and a rolling element.

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