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    POWER ASSEMBLY AND ELECTRIC VEHICLE
    6.
    发明公开
    POWER ASSEMBLY AND ELECTRIC VEHICLE 审中-实审

    公开(公告)号：EP4378722A1

    公开(公告)日：2024-06-05

    申请号：EP22859810.8

    申请日：2022-02-18

    申请人： Huawei Technologies Co., Ltd.

    发明人： WEI, Jingzhou ,  CAO, Yi ,  MA, Wenwu ,  TANG, Zhengyi

    IPC分类号： B60K1/02 ,  B60K17/04

    CPC分类号： B60K17/04 ,  B60K1/02

    摘要： This application provides a powertrain and an electric vehicle, relating to the field of motor technologies. In the powertrain, two driving motors are disposed in parallel. In this way, a length of the entire powertrain is shortened, and the powertrain is not excessively long to be disposed in reserved space of the vehicle. To prevent occupying space of a passenger compartment, a battery pack, a trunk, and the like, reserved space for disposing the powertrain on an existing mainstream vehicle is more on one side relative to a wheel shaft. Therefore, in the powertrain designed in this application, when two reducers respectively mesh with the two driving motors, neither output shafts of the two reducers are on a plane that is perpendicular to a connection line of centers of the two driving motors and at a contact position between the two driving motors. In other words, the two output shafts are disposed on one side of the entire powertrain, so that the powertrain can be disposed on a mainstream vehicle, and adaptability of the powertrain is improved.

    POWER ASSEMBLY SYSTEM AND ELECTRIC VEHICLE
    9.
    发明公开
    POWER ASSEMBLY SYSTEM AND ELECTRIC VEHICLE 审中-实审

    公开(公告)号：EP4344918A1

    公开(公告)日：2024-04-03

    申请号：EP21947536.5

    申请日：2021-06-30

    申请人： Huawei Digital Power Technologies Co., Ltd.

    发明人： TANG, Zhengyi ,  MA, Wenwu ,  WEI, Jingzhou ,  CAO, Yi

    IPC分类号： B60K1/02 ,  B60K17/12 ,  B60K17/06 ,  B60K17/356

    摘要： This application discloses a powertrain system and an electric vehicle, to reduce a structure size of the powertrain system. The powertrain system includes two subsystems. The two subsystems are disposed side by side in a first direction and are symmetrical to each other. Each of the subsystems includes a motor, a deceleration mechanism, and an output shaft. A rotation shaft of the motor is disposed in a second direction. The deceleration mechanism includes a cylindrical gear pair and a bevel gear pair. The cylindrical gear pair includes an active cylindrical gear and a driven cylindrical gear, and the active cylindrical gear is connected to the rotation shaft of the motor. The driven cylindrical gear is located on a side that is of the active cylindrical gear and that is away from the other subsystem. The bevel gear pair includes an active bevel gear and a driven bevel gear. The active bevel gear is located on a side that is of the driven cylindrical gear and that is close to the motor, a small end of the active bevel gear is disposed close to the motor, and the active bevel gear is connected to the driven cylindrical gear. The driven bevel gear is located on a side that is of the motor and that is away from the other subsystem, and the driven bevel gear is transmittedly connected to the output shaft.