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公开(公告)号：US11603192B2
公开(公告)日：2023-03-14
申请号：US17144437
申请日：2021-01-08
发明人： Sang Hyun Jung , Jae Young Choi
摘要： A foldable blade assembly may include a first blade, a motor configured to rotate the first blade, a second blade of which a rotation center coincides with a rotation center of the first blade, and an actuator configured to move the second blade upward or downward to selectively couple the second blade to the first blade so that the second blade and the first blade are rotated together or configured to release the coupling between the second blade and the first blade.
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公开(公告)号：US11408500B2
公开(公告)日：2022-08-09
申请号：US16658890
申请日：2019-10-21
发明人： Jae Young Choi , Hoon Han , Jee Wook Huh
IPC分类号： F16H57/04
摘要： An apparatus and method for controlling temperature of automatic transmission fluid, and a vehicle system are provided. The apparatus includes a determination device that determines whether a temperature difference between the temperature of the automatic transmission fluid and a target temperature thereof satisfies a heating control condition of the automatic transmission fluid at the start of charging. A then adjusts the temperature of the automatic transmission fluid by outputting an operation control signal for at least one driving unit of a thermal management system, when the temperature difference satisfies the heating control condition of the automatic transmission fluid.
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公开(公告)号：US10286851B2
公开(公告)日：2019-05-14
申请号：US15711639
申请日：2017-09-21
发明人： Dong Han Koo , Seok Won Lee , Jae Young Choi , Jun Hwan Park
摘要： The present disclosure provides a storage apparatus for a mobility device in a vehicle, wherein the mobility device is stored in a vehicle door and the mobility device can be taken out directly from the vehicle door by maintaining the tilted state of the mobility device.
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公开(公告)号：US10099678B2
公开(公告)日：2018-10-16
申请号：US15379926
申请日：2016-12-15
发明人： Hong Chul Shin , Sang Don Lee , Kyung Hun Hwang , Jae Young Choi , Jong Bum Oh
IPC分类号： B60W20/10 , B60W10/08 , B60W10/10 , B60W20/30 , B60K6/547 , B60W10/11 , B60W30/19 , B60K6/48
摘要： Provided is a method of controlling a hybrid electric vehicle capable of improving acceleration response upon kick-down. The method includes calculating a rising gradient of a motor speed increasing during kick-down shift based on a present speed of a motor for driving the vehicle which is detected at a control unit in real time, upon detection of demand of kick-down shift due to acceleration operation of a driver, calculating a falling gradient of intervention torque based on the rising gradient of the motor speed at the control unit, determining an entry point of intervention control based on the present speed of the motor detected at the control unit in real time, and performing torque intervention control for controlling driving of the motor in order to output intervention torque, namely, motor torque decreased based on the falling gradient of intervention torque calculated from the determined entry point at the control unit.
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公开(公告)号：US10697501B2
公开(公告)日：2020-06-30
申请号：US15820009
申请日：2017-11-21
发明人： Jae Young Choi , Sung Wha Hong , Jong Yun Park
IPC分类号： F16D23/06
摘要： A transmission synchronizer includes a lower key that is installed to be slidable with respect to a hub in a radial direction of the hub and an upper key that is installed on an exterior of the lower key, the upper key being slidable in an axial direction of the hub. Additionally, a sleeve is installed at an exterior of the hub to slide the upper key in the axial direction while the sleeve slides in the axial direction, to pressurize the upper key toward a synchro ring. A key spring installed between the lower key and the hub to pressurize the lower key and the upper key toward an inner surface of the sleeve.
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公开(公告)号：US20200180628A1
公开(公告)日：2020-06-11
申请号：US16406741
申请日：2019-05-08
发明人： Jae Young Choi
摘要： The present disclosure relates to a hybrid vehicle control device, a system including the same, and a method thereof. The hybrid vehicle control device according to an embodiment of the present disclosure includes a processor and storage. The processor sets a target engine speed and determines presence or absence of a kick down shift based on the vehicle driving situation, and performs engine clutch engagement control according to a result of the kick down shift. The storage stores the vehicle driving situation and a result of the determination of the presence or absence of the kick down shift.
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公开(公告)号：US10400830B2
公开(公告)日：2019-09-03
申请号：US15831267
申请日：2017-12-04
发明人： Jae Young Choi , Jong Yun Park
摘要： A synchronizer of a transmission may include a lower key disposed slidable in a radial direction of a hub; an upper key disposed at an external side of the lower key in the radial direction to be slidable in an axial direction of the hub; a sleeve disposed at an external side of the hub to slide the upper key in the axial direction while being slid in the axial direction thereof, pressing the upper key toward a synchronizer ring; a key spring disposed between the lower key and the hub to press the lower key and the upper key toward an internal surface of the sleeve; and a displacement converting device converting relative displacement generated in a circumferential direction of the hub between the upper key and the lower key into relative displacement of the upper key in axial direction toward the synchronizer ring with respect to the lower key.
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公开(公告)号：US20190113084A1
公开(公告)日：2019-04-18
申请号：US15831267
申请日：2017-12-04
发明人： Jae Young Choi , Jong Yun Park
CPC分类号： F16D23/06 , F16D23/025 , F16D2023/0631 , F16D2023/0637
摘要： A synchronizer of a transmission may include a lower key disposed slidable in a radial direction of a hub; an upper key disposed at an external side of the lower key in the radial direction to be slidable in an axial direction of the hub; a sleeve disposed at an external side of the hub to slide the upper key in the axial direction while being slid in the axial direction thereof, pressing the upper key toward a synchronizer ring; a key spring disposed between the lower key and the hub to press the lower key and the upper key toward an internal surface of the sleeve; and a displacement converting device converting relative displacement generated in a circumferential direction of the hub between the upper key and the lower key into relative displacement of the upper key in axial direction toward the synchronizer ring with respect to the lower key.
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公开(公告)号：US20190010994A1
公开(公告)日：2019-01-10
申请号：US15820009
申请日：2017-11-21
发明人： Jae Young Choi , Sung Wha Hong , Jong Yun Park
摘要： A synchronizer of a transmission is provided. The synchronizer includes a lower key that is installed to be slidable with respect to a hub in a radial direction of the hub and an upper key that is installed on an exterior of the lower key, the upper key being slidable in an axial direction of the hub. Additionally, a sleeve is installed at an exterior of the hub to slide the upper key in the axial direction while the sleeve slides in the axial direction, to pressurize the upper key toward a synchro ring. A key spring installed between the lower key and the hub to pressurize the lower key and the upper key toward an inner surface of the sleeve.
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公开(公告)号：US20180170473A1
公开(公告)日：2018-06-21
申请号：US15643689
申请日：2017-07-07
发明人： Dong Han Koo , Jae Young Choi , Jun Hwan Park
CPC分类号： B62K3/002 , B60Y2200/126 , B62K15/006 , B62K15/008
摘要： A folding personal mobility vehicle includes a foothold part provided with a wheel, a handle part provided with a handle, and a hinge structure between the foothold part and the handle part. The foothold part and the handle part are each configured to be folded using the hinge structure and the foothold part and the handle part are configured so that the foothold part is positioned between the handle parts in a folded state.
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