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    Supplementary charging system and method for auxiliary battery of eco-friendly vehicle
    2.
    发明授权
    Supplementary charging system and method for auxiliary battery of eco-friendly vehicle 有权

    公开(公告)号：US11108261B2

    公开(公告)日：2021-08-31

    申请号：US16527851

    申请日：2019-07-31

    申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

    发明人： Kil Young Youn ,  Seung Hyeon Bin ,  Sang Kyu Lee ,  Jae Hwa Jeon

    IPC分类号： H02J7/00 ,  B60L50/50 ,  B60L53/20 ,  H02J7/34

    摘要： A supplementary charging system for an auxiliary battery of an eco-friendly vehicle includes: a main battery; an auxiliary battery having a voltage lower than a voltage of the main battery; a low voltage DC-DC converter (LDC) stepping down the voltage of the main battery and providing the stepped-down voltage to the auxiliary battery; and a controller configured to select, when a periodic charge time of the auxiliary battery arrives, either a constant voltage charging method or a constant current charging method as a charging method based on an aging state of the auxiliary battery, and control the LDC to charge the auxiliary battery with a constant voltage or a constant current based on the selected charging method for a predetermined reference time. The controller terminates the charging when a cumulative charge current amount is greater than or equal to a predetermined reference cumulative charge current amount.

    MOTOR STRUCTURE FOR VARIABLE COUNTER ELECTROMOTIVE FORCE
    4.
    发明申请
    MOTOR STRUCTURE FOR VARIABLE COUNTER ELECTROMOTIVE FORCE 审中-公开
    可变电机电机的电机结构

    公开(公告)号：US20160365760A1

    公开(公告)日：2016-12-15

    申请号：US14959645

    申请日：2015-12-04

    申请人： Hyundai Motor Company

    发明人： Jeong Bin Yim ,  Jae Hwa Jeon ,  Dea Woong Han ,  Sang Kyu Lee

    IPC分类号： H02K1/18

    CPC分类号： H02K21/024

    摘要： A motor structure for varying a counter electromotive force is provided. The motor structure includes a rotor that is fixed annularly and concentrically to a radially outside from an exterior circumferential surface of a shaft of an electric motor and has a permanent magnet, and a stator that has coils positioned on the interior side of a motor housing and on the concentrically exterior side with the permanent magnet of the rotor. Further, the coils are positioned spaced apart from each other at predetermined intervals. A drive unit moves the stator in the axial direction of the shaft to vary the interlinkage flux, by varying an area that the magnetic flux of the permanent magnet of the rotor passes through the coils of the stator.

    摘要翻译： 提供了用于改变反电动势的电动机结构。 电动机结构包括从电动机的轴的外周面径向外侧环状且同心地固定的转子，具有永磁体和具有位于电动机壳体的内侧的线圈的定子， 在同心的外侧与转子的永久磁铁。 此外，线圈以预定间隔彼此间隔开。 驱动单元通过改变转子的永磁体的磁通量通过定子的线圈的面积来使定子沿着轴的轴向移动以改变连接通量。

    Hybrid vehicle and method for controlling the same
    6.
    发明授权
    Hybrid vehicle and method for controlling the same 有权

    公开(公告)号：US10471834B2

    公开(公告)日：2019-11-12

    申请号：US15848864

    申请日：2017-12-20

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Jae Hwa Jeon ,  Sang Kyu Lee ,  Kil Young Youn ,  Seung Hyeon Bin ,  Gu Bae Kang

    IPC分类号： B60L58/10 ,  B60L11/18 ,  B60L53/14 ,  B60L53/30

    摘要： A plug-in vehicle capable of wired-charging a battery through a charging connector using an external charger and a method for controlling the same are provided. The method for controlling charging of a vehicle configured to perform a charging operation using external power includes determining whether a refrigerant circulation device operates normally and the amount of refrigerant is normal when a temperature sensor of a charger malfunctions. When the refrigerant circulation device operates normally and the amount of refrigerant is normal, a temperature of the charger is estimated using a temperature of a heat dissipation device through which the refrigerant passes and the output of the charger is adjusted based on the estimated temperature.

    System and method for controlling low voltage DC converter of fuel cell vehicle
    7.
    发明授权
    System and method for controlling low voltage DC converter of fuel cell vehicle 有权

    公开(公告)号：US11565608B2

    公开(公告)日：2023-01-31

    申请号：US17410373

    申请日：2021-08-24

    申请人： Hyundai Motor Company ,  Kia Corporation

    发明人： Sang Kyu Lee ,  Tae Woo Kim ,  Se La Lim ,  Won Seok Jin

    IPC分类号： B60L58/40 ,  B60L50/75

    摘要： A system and method are arranged to control a low voltage DC converter of a fuel cell vehicle, in which, although a CAN communication timeout where the low voltage DC converter does not receive an off command from a vehicle control unit or a CAN communication failure occurs, when an output current of the low voltage DC converter is lowered by at least a predetermined value, the low voltage DC converter is turned off by itself by determining that a post-treatment operation of a fuel cell system is completed, and after the low voltage DC converter is turned off, a relay of a high voltage battery is opened, thereby preventing the relay of the high voltage battery from fusing.