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    HEAT EXCHANGE PLATE, BATTERY PACK, AND VEHICLE
    2.
    发明公开
    HEAT EXCHANGE PLATE, BATTERY PACK, AND VEHICLE 审中-公开

    公开(公告)号：EP4550524A1

    公开(公告)日：2025-05-07

    申请号：EP23845659.4

    申请日：2023-07-27

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LING, Heping ,  HUANG, Wei ,  MA, Rui ,  QUE, Yansheng

    IPC: H01M10/613 ,  H01M10/625 ,  H01M10/6556

    Abstract: A heat exchange plate, a battery pack, and a vehicle. The heat exchange plate comprises a flow channel, a first terminal, and a second terminal; the flow channel is arranged in the heat exchange plate, and the flow channel is configured to allow a heat exchange working medium to flow therein; one end of the flow channel is communicated with the first terminal, another end of the flow channel is communicated with the second terminal, and the first terminal and the second terminal are configured to allow the heat exchange working medium to enter the heat exchange plate; the heat exchange plate comprises a first-type region, and the first-type region is configured to be arranged corresponding to a battery pole region; the flow channel comprises flow-dividing junctions; the flow-dividing junctions comprise first-stage flow-dividing junctions; at least one first-stage flow-dividing junction is arranged in the first-type region; the first-stage flow-dividing junction is arranged close to the first terminal or the second terminal; and the flow-dividing junction divide the flow channel.

    VEHICLE TORQUE CONTROL METHOD, PROCESSING APPARATUS, AND VEHICLE
    3.
    发明公开
    VEHICLE TORQUE CONTROL METHOD, PROCESSING APPARATUS, AND VEHICLE 审中-公开

    公开(公告)号：EP4527670A1

    公开(公告)日：2025-03-26

    申请号：EP23807005.6

    申请日：2023-05-17

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LING, Heping ,  SHI, Mingchuan ,  ZHANG, Hao ,  LI, Pengxiang

    IPC: B60L15/20

    Abstract: A vehicle torque control method. The method comprises: step S1, obtaining steering wheel angle and vehicle steering speed parameters; step S2, determining the current driving state of a vehicle according to the steering wheel angle and vehicle steering speed parameters; and step S3, controlling output torques of front and rear drivers of the vehicle according to the current driving state of the vehicle. Further disclosed are a processing apparatus, a vehicle, and a storage medium. The method determines the current driving state of the vehicle by means of a steering wheel angle and a vehicle steering speed, such that the determination accuracy is higher, and the torques of the drivers can be better accurately controlled according to the driving state, thereby improving the stability of the vehicle in the driving process.

    BATTERY SELF-HEATING DEVICE AND METHOD, AND VEHICLE
    4.
    发明公开
    BATTERY SELF-HEATING DEVICE AND METHOD, AND VEHICLE 审中-公开

    公开(公告)号：EP4517933A1

    公开(公告)日：2025-03-05

    申请号：EP23794930.0

    申请日：2023-03-29

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LING, Heping ,  YAN, Lei ,  SONG, Gan ,  GAO, Wen

    IPC: H01M10/615 ,  H01M10/625 ,  H02J7/00

    Abstract: A battery self-heating device, comprising: a bridge arm converter (3), an energy storage element (5), an inductor (4) and a controller. The controller is configured to control, in a preset state, the connection and disconnection of the bridge arm converter (3), such that a first power battery (1) and a second power battery (2) are respectively charged/discharged by means of the inductor (4), and each form a freewheeling circuit by means of the energy storage element (5), so as to realize the continuous heating of the first power battery (1) and the second power battery (2). Further disclosed are a self-heating method executed by the device, and a vehicle having the device. Two power batteries are provided, and an energy storage element (5) is provided for freewheeling, such that an oscillation current can be generated between each of the two power batteries and an inductor (4), so as to realize low-cost and high-efficient battery self-heating, and the stability of the total voltage of the two power batteries and the continuous flow of current in the batteries can also be ensured, thereby ensuring the safety of the batteries during the self-heating process.

    POWER DRIVE SYSTEM AND VEHICLE
    9.
    发明公开
    POWER DRIVE SYSTEM AND VEHICLE 审中-公开

    公开(公告)号：EP3476637A1

    公开(公告)日：2019-05-01

    申请号：EP17818962.7

    申请日：2017-05-11

    Applicant: BYD Company Limited

    Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin

    IPC: B60K6/36 ,  B60K6/38 ,  B60K6/547

    Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator together with the plurality of output shafts linked with a differential power input gear of the vehicle respectively.

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