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1.发明申请公开(公告)号：US20200185943A1
公开(公告)日：2020-06-11
申请号：US16527851
申请日：2019-07-31
发明人： Kil Young YOUN , Seung Hyeon BIN , Sang Kyu LEE , Jae Hwa JEON
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 that of the main battery; a low voltage DC-DC converter (LDC) stepping down the voltage of the main battery and providing the same to the auxiliary battery; and a controller that selects, when a periodic charge time of the auxiliary battery arrives, either a constant voltage charging method or a constant current charging method based on an aging state of the auxiliary battery, and that controls 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.
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公开(公告)号：US20180026543A1
公开(公告)日：2018-01-25
申请号：US15349770
申请日：2016-11-11
发明人： Dae Woong HAN , Jeong Bin YIM , Jae Hwa JEON , Sang Kyu LEE
CPC分类号： H02M3/33592 , B60L50/50 , Y02B70/1475
摘要： An apparatus for controlling a synchronizing rectifier of a low voltage direct current (DC)-DC converter (LDC) may include a receiver receiving an LDC output command voltage, and a controller controlling an operation of the synchronizing rectifier based on the received LDC output command voltage.
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公开(公告)号：US20210316630A1
公开(公告)日：2021-10-14
申请号：US17116313
申请日：2020-12-09
发明人： Sang Kyu LEE , Jin Gyu LIM , Seung Myun CHUNG
IPC分类号： B60L53/62 , H02J7/24 , H02J7/00 , H02M7/5387 , H02P27/06 , B60L50/60 , B60L53/24 , B60L58/10
摘要： A charging system for a vehicle and a battery charging stop method thereof may provide a charging system for a vehicle and a battery charging stop method thereof, which may stop the charging of a battery upon failure of a current sensor applied to a three-phase coils of a motor configured for driving a vehicle, preventing the occurrence of the torque caused by operation of the motor.
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公开(公告)号：US20210405116A1
公开(公告)日：2021-12-30
申请号：US17093996
申请日：2020-11-10
发明人： Sang Kyu LEE , Young Chan BYUN
IPC分类号： G01R31/327 , H02J7/00 , B60L3/00
摘要： A charging system includes a charger, a battery charged by receiving a power of a first voltage from the charger, a multi-charge configured to boost a power of a second voltage lower than the first voltage to the first voltage and supply the boosted power to the battery, a charge relay connected at a position between the battery and the charger and configured to be switched to be in an ON state when the power of the first voltage is supplied from the charger and to be in an OFF state when the power of the second voltage is supplied from the charger, and a charging controller configured to control, based on whether a melting fault of the charge relay occurs, whether to supply the power of the first voltage to the battery through the charge relay or to supply the battery with the power through the multi-charge device.
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公开(公告)号：US20220255102A1
公开(公告)日：2022-08-11
申请号：US17400708
申请日：2021-08-12
发明人： Sang Kyu LEE
IPC分类号： H01M8/0662 , B01F3/02 , B01F5/04
摘要： The present invention relates to a device configured for treating an exhaust gas from a fuel cell, the device including: a tube member discharging an exhaust gas from a fuel cell stack; a gas guide portion provided in a tube member and configured to guide a target gas contained in the exhaust gas to the outside of the tube member; and a guide tube spaced from the gas guide portion and provided to cover the gas guide portion such that it is possible to obtain an advantageous effect of effectively reducing a concentration of the target gas in the exhaust gas discharged from the fuel cell.
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6.发明申请公开(公告)号：US20170043669A1
公开(公告)日：2017-02-16
申请号：US14959982
申请日：2015-12-04
发明人： Sang Kyu LEE , Jae Hwa JEON , Jeong Bin YIM , Dae Woong HAN
CPC分类号： B60L11/1811 , B60L11/00 , B60L11/1816 , B60L2270/20 , H02H9/001 , H02M1/36 , H02M1/42 , H02M3/04 , H02M7/04 , H02M2001/0048 , H02M2001/007 , Y02T10/7005 , Y02T10/7072 , Y02T10/92 , Y02T90/127 , Y02T90/14
摘要： A charging device for an eco-friendly vehicle includes a charger having an electronic switching element which reduces an excessive current instantaneously flowing when an external AC power source outside the vehicle is connected to the charger; and a controller configured to control an operation of the electronic switching element.
摘要翻译： 一种用于环保车辆的充电装置包括具有电子开关元件的充电器，当车辆外部的外部交流电源连接到充电器时，该电子开关元件减少瞬时流过的电流; 以及控制器，被配置为控制电子开关元件的操作。
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公开(公告)号：US20240266569A1
公开(公告)日：2024-08-08
申请号：US18639516
申请日：2024-04-18
发明人： Sang Kyu LEE
IPC分类号： H01M8/0662 , B01F23/10 , B01F25/313
CPC分类号： H01M8/0662 , B01F23/19 , B01F25/31331 , B01F25/31332
摘要： The present invention relates to a device configured for treating an exhaust gas from a fuel cell, the device including: a tube member discharging an exhaust gas from a fuel cell stack; a gas guide portion provided in a tube member and configured to guide a target gas contained in the exhaust gas to the outside of the tube member; and a guide tube spaced from the gas guide portion and provided to cover the gas guide portion such that it is possible to obtain an advantageous effect of effectively reducing a concentration of the target gas in the exhaust gas discharged from the fuel cell.
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