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公开(公告)号：US20180327030A1
公开(公告)日：2018-11-15
申请号：US15815323
申请日：2017-11-16
发明人： Byung Gu Kang
CPC分类号： B62D21/11 , B62D21/09 , B62D29/005
摘要： A vehicle sub-frame may include a reinforcement member having a honeycomb structure between upper and lower panels to secure the overall rigidity of the sub-frame, wherein the reinforcement member is additionally disposed in the sub-frame to secure the torsional and flexural strengths of the sub-frame.
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公开(公告)号：US10577021B2
公开(公告)日：2020-03-03
申请号：US15815323
申请日：2017-11-16
发明人： Byung Gu Kang
摘要： A vehicle sub-frame may include a reinforcement member having a honeycomb structure between upper and lower panels to secure the overall rigidity of the sub-frame, wherein the reinforcement member is additionally disposed in the sub-frame to secure the torsional and flexural strengths of the sub-frame.
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公开(公告)号：US11214158B2
公开(公告)日：2022-01-04
申请号：US16746082
申请日：2020-01-17
发明人： Dae Woo Lee , Jae Eun Cha , Byung Gu Kang , Tae Jong Ha
摘要： A method of controlling charge of a vehicle battery includes: determining, by a control unit, whether a high voltage battery and a low voltage battery are charged in a first charging mode, a second charging mode, or a third charging mode; and charging at least one of the high voltage battery or the low voltage battery by controlling a first full-bridge circuit unit, a second full-bridge circuit unit, and a low voltage direct current (DC) converter unit based on the determined first, second or third charging mode.
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公开(公告)号：US11728735B2
公开(公告)日：2023-08-15
申请号：US17085658
申请日：2020-10-30
发明人： Dae Woo Lee , Byung Gu Kang , Tae Jong Ha
CPC分类号： H02M3/1588 , H01F27/2804 , H01F2027/2809 , H01F2027/2819
摘要： A converter using a planar transformer includes an input device that receives a first voltage, a transformer including a first planar transformer and a second planar transformer that reduce the first voltage, and an output device that outputs the first voltage as a second voltage, wherein the first voltage is greater than the second voltage, and the input device provides a current to a primary winding coil of each of the first planar transformer and the second planar transformer through a first current path and a second current path in which current directions are different with each other, and includes a plurality of inductors connected in parallel with the primary winding coil of each of the first planar transformer and the second planar transformer.
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5.发明授权公开(公告)号：US11757352B2
公开(公告)日：2023-09-12
申请号：US17470107
申请日：2021-09-09
发明人： Tae Jong Ha , Dae Woo Lee , Byung Gu Kang
摘要： A power conversion system for electrically driven mobility device includes a first energy storage device and a second energy storage device having a voltage output lower than a voltage of the first energy storage device, a relay having one terminal connected to the first energy storage device, a DC link capacitor connected to the other terminal of the relay, a first DC converter provided between the DC link capacitor and the second energy storage device and capable of bidirectional voltage conversion, and a controller configured to control the first DC converter to convert a level of the voltage of the second energy storage device and to apply the voltage having the converted level to the capacitor before switching of the relay from an off state to an on state to charge the DC link capacitor to a preset voltage or higher, and then to switch the relay to the on state.
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公开(公告)号：US20220080846A1
公开(公告)日：2022-03-17
申请号：US17537047
申请日：2021-11-29
发明人： Dae Woo Lee , Jae Eun Cha , Byung Gu Kang , Tae Jong Ha
摘要： A method of controlling charge of a vehicle battery includes: determining, by a control unit, whether a high voltage battery and a low voltage battery are charged in a first charging mode, a second charging mode, or a third charging mode; and charging at least one of the high voltage battery or the low voltage battery by controlling a first full-bridge circuit unit, a second full-bridge circuit unit, and a low voltage direct current (DC) converter unit based on the determined first, second or third charging mode.
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公开(公告)号：US20230076042A1
公开(公告)日：2023-03-09
申请号：US17861475
申请日：2022-07-11
发明人： Dae Woo Lee , Tae Jong Ha , Byung Gu Kang
摘要： An embodiment apparatus includes a converter including a plurality of switching elements configured as a bridge circuit connected to an input terminal and having a plurality of bridge arms, wherein a topology of the converter is configured to be switchable to a full-bridge type topology or a half-bridge type topology, and wherein a resonant capacitor is connected to a midpoint between respective ones of the bridge arms, and a controller configured to switch the topology of the converter to the full-bridge type or the half-bridge type by controlling whether the resonant capacitor is activated based on a load current of the converter.
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8.发明申请公开(公告)号：US20220368215A1
公开(公告)日：2022-11-17
申请号：US17470107
申请日：2021-09-09
发明人： Tae Jong Ha , Dae Woo Lee , Byung Gu Kang
摘要： A power conversion system for electrically driven mobility device includes a first energy storage device and a second energy storage device having a voltage output lower than a voltage of the first energy storage device, a relay having one terminal connected to the first energy storage device, a DC link capacitor connected to the other terminal of the relay, a first DC converter provided between the DC link capacitor and the second energy storage device and capable of bidirectional voltage conversion, and a controller configured to control the first DC converter to convert a level of the voltage of the second energy storage device and to apply the voltage having the converted level to the capacitor before switching of the relay from an off state to an on state to charge the DC link capacitor to a preset voltage or higher, and then to switch the relay to the on state.
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公开(公告)号：US08910952B2
公开(公告)日：2014-12-16
申请号：US14098503
申请日：2013-12-05
发明人： Sang Hoon Yoo , In Seok Seo , Sung Bae Jang , Byung Gu Kang , Un Koo Lee
IPC分类号： B60G7/00 , B60G17/00 , B60G17/016
CPC分类号： B60G17/00 , B60G7/006 , B60G17/016 , B60G17/0162 , B60G17/0163 , B60G2200/44 , B60G2200/462 , B60G2202/40 , B60G2202/44 , B60G2202/441
摘要： An active geometry control suspension system may include a toe control mechanism having an assist link disposed between the wheel carrier and the sub-frame, a housing unit integrally formed with the sub-frame and having hinge brackets integrally formed at both sides of a wheel side one surface, a guide unit configured to guide a vehicle body side connection portion of the assist link along a predetermined trajectory through a cam guider which slides upward and downward along guide, a drive unit configured to transmit rotating driving torque, and a power transmission unit configured to transmit the linear motion to the vehicle body side connection portion of the assist link so that the vehicle body side connection portion of the assist link is raised and lowered along a predetermined trajectory of the guide unit by the rotating driving torque of the screw shaft.
摘要翻译： 主动几何控制悬挂系统可以包括脚趾控制机构，其具有设置在车轮支架和子框架之间的辅助连杆，与子框架一体形成的壳体单元，并且具有一体地形成在车轮侧的两侧的铰链支架 一个表面，引导单元，其构造成通过沿导向件上下滑动的凸轮导向器沿着预定轨迹引导辅助链节的车体侧连接部分;驱动单元，被配置为传递旋转驱动扭矩;以及动力传递单元 被构造成将所述直线运动传递到所述辅助连杆的车体侧连接部，使得所述辅助连杆的车身侧连接部沿着所述导向单元的预定轨迹由所述螺杆轴的旋转驱动扭矩而升降 。
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公开(公告)号：US20240092131A1
公开(公告)日：2024-03-21
申请号：US18119485
申请日：2023-03-09
发明人： Jong Min Kim , Byung Gu Kang
CPC分类号： B60G7/005 , B62D7/18 , F16C11/0695 , B60G2204/148 , B60G2204/416 , B60G2204/4404
摘要： A suspension for a vehicle provides a configuration in which a bolt is screw-fastened to a stud part of a ball joint in a state in which the stud part is inserted into a knuckle, an outer diameter of the stud part is increased at the time of fastening the bolt so that the stud part and the knuckle are coupled to each other. Thus, a position of a hard point corresponding to a center of the ball joint is not changed when the ball joint is coupled by the bolt.
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