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公开(公告)号：US11052750B2
公开(公告)日：2021-07-06
申请号：US16804451
申请日：2020-02-28
发明人： Seong Wook Hwang , Seongwook Ji , Ki Tae Kim , Chon Ok Kim , Soonki Eo , Wonmin Cho , Ilhan Yoo , Juhyeon Park , Dongwoo Kim , Hye Jin Lim , Dong Hwan Hwang , Jong Hyo Park
摘要： A power transmission apparatus of a hybrid electric vehicle using an engine and a motor/generator as power sources includes: a first input shaft selectively connected to a rotor of the motor/generator; a second input shaft disposed external to the first input shaft, and selectively connected to the rotor; an idle shaft disposed in parallel with the first input shaft; an intermediate shaft shifting rotational power transmitted from the first input shaft to the idle shaft; a first output shaft shifting and outputting rotational power transmitted from the second input shaft and the idle shaft; a second output shaft shifting and outputting rotational power transmitted from the first input shaft; and a plurality of gear sets shifting the rotational power input through the first and second input shafts.
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公开(公告)号：US10994598B2
公开(公告)日：2021-05-04
申请号：US16592946
申请日：2019-10-04
发明人： Wonmin Cho , Kijong Park , Seongwook Ji , Juhyeon Park , Ilhan Yoo , Seong Wook Hwang , Ki Tae Kim
摘要： A power transmission apparatus for an electric vehicle having a motor as a power source may include: first and second input shafts coaxially disposed with a motor shaft of the motor and selectively connected to the motor shaft; an output shaft disposed in parallel with the first and second input shafts; and a planetary gear set disposed on the output shaft and including: a rotation element fixedly connected to the output shaft, and two rotation elements receiving torques from the first and second input shafts through respective external gear sets.
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公开(公告)号：US20210001705A1
公开(公告)日：2021-01-07
申请号：US16655444
申请日：2019-10-17
发明人： Juhyeon Park , Seong Wook Hwang , Jae Young Jeon , Dongwoo Gwak , Seongeun Yun , Wonmin Cho , Bong Hyun Cho , Seongwook Ji
摘要： A power transmission apparatus for hybrid electric vehicle includes: input shaft coaxially disposed with an engine output shaft receiving engine torque; first and second output shafts coaxially disposed forward and rearward sides on the input shaft; third output shaft coaxial with the first output shaft; a shared drum connected to the input shaft and formed with a motor gear gear-meshed with a motor; an engine clutch sharing the shared drum and selectively transmitting torque between the engine output shaft and the input shaft; first and third clutches disposed in rows within the shared drum and selectively transmitting torque from the input shaft to the first and third output shafts; a planetary gear set disposed on the second output shaft and connected to the second output shaft; and a second clutch external to the planetary gear set and selectively connecting the input shaft and the planetary gear set.
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公开(公告)号：US10766352B2
公开(公告)日：2020-09-08
申请号：US16185332
申请日：2018-11-09
发明人： Juhyeon Park , Yong Uk Shin , Seongwook Ji , Wonmin Cho , Hyun Sik Kwon , Ilhan Yoo , Seong Wook Hwang , Ki Tae Kim
摘要： A power transmission apparatus for a vehicle may include: first, second, and third input shafts disposed coaxially with each other and each selectively connected with a motor/generator; a torque mediating shaft disposed coaxially with the first input shaft; a first intermediate shaft in parallel with the first input shaft; a second intermediate shaft in parallel with the first input shaft, and selectively connected with a transmission housing; a first shifting section including five gear sets, selectively receiving torques through the first and third input shafts, and providing intermediate shift-stages; and a second shifting section including a planetary gear set, forming an output torque by combination of torques from the first shifting section and the second input shaft, and outputting the output torque to the output shaft through one gear set.
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公开(公告)号：US10690223B2
公开(公告)日：2020-06-23
申请号：US16189560
申请日：2018-11-13
发明人： Juhyeon Park , Seongwook Ji , Ki Tae Kim , Hyun Sik Kwon , Ilhan Yoo , Seong Wook Hwang , Wonmin Cho
摘要： A planetary gear train of an automatic transmission for a vehicle may include: an input shaft receiving torque of an engine; an output shaft outputting torque and disposed in parallel with the input shaft; a compound planetary gear set having first, second, third, and fourth rotation elements and disposed at a radial external side of the input shaft; a simple planetary gear set having fifth, sixth, and seventh rotation elements and disposed at a radial external side of the output shaft; first to seventh shafts, each fixedly connected at least one among the first to seventh rotation elements; an eighth shaft selectively connectable to the input shaft; and two transfer gear sets operably connecting at least one shaft among the first to eighth shafts to another shaft.
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公开(公告)号：US20200063835A1
公开(公告)日：2020-02-27
申请号：US16208207
申请日：2018-12-03
发明人： Seong Wook Hwang , Seongwook Ji , Ki Tae Kim , Chon Ok Kim , Wonmin Cho , Hyun Sik Kwon , Ilhan Yoo , Juhyeon Park , Cheol Ho Jang , Dongwoo Kim , Hye Jin Lim , Ki Been Lim , Ki Dong Kim , Woo Jin Chang , Woochurl Son , Kijong Park
摘要： A power transmission apparatus configured for a vehicle, may include a motor/generator including a motor shaft a first input shaft selectively connectable to the motor shaft, a second input shaft externally disposed with the first input shaft and selectively connectable to the motor shaft, a third input shaft externally disposed with the second input shaft and selectively connectable to the motor shaft, a first torque mediating shaft formed as a hollow shaft and coaxially and externally disposed with the first input shaft without rotational interference therebetween, an intermediate shaft parallel with the first input shaft, a first shifting section receiving a torque and outputting the shifted torque, and a second shifting section including a first planetary gear set selectively receiving the torques from the first shifting section and the third input shaft, respectively, and outputting shifted torque through one gear set.
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公开(公告)号：US20200047601A1
公开(公告)日：2020-02-13
申请号：US16202485
申请日：2018-11-28
发明人： Juhyeon Park , Seongwook JI , Ki Tae KIM , Soonki EO , Hyun Sik KWON , Ilhan YOO , Seong Wook HWANG , Wonmin CHO
摘要： A power transmission apparatus for a vehicle having an engine and a motor/generator includes: a first input shaft selectively connected with a motor/generator; second and third input shafts disposed coaxially with the first input shaft, and selectively connected with the motor/generator; a torque mediating shaft disposed coaxially with the second input shaft; an intermediate shaft in parallel with the first input shaft; an idle shaft in parallel with the first input shaft, and selectively connected with a transmission housing; a first shifting section including four gear sets, receiving torque through the first and second input shafts, and providing intermediate shift-stages; and a second shifting section including a planetary gear set, forming an output torque by combination of torques from the first shifting section and the third input shaft, and outputting the output torque to the output shaft.
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公开(公告)号：US10393234B2
公开(公告)日：2019-08-27
申请号：US15817570
申请日：2017-11-20
发明人： Hyun Sik Kwon , Seongwook Ji , Juhyeon Park , Ilhan Yoo , Seong Wook Hwang , Ki Tae Kim
摘要： A planetary gear train includes input and output shafts, and first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. A first shaft is connected to the third element and selectively connected to the input shaft, a second shaft is connected to the ninth element and selectively connected to the input shaft, a third shaft is connected to the eleventh element and the output shaft, a fourth shaft is connected to the first, fourth, and seventh elements, and a fifth shaft is connected to the second and tenth elements. A plurality of shafts each selectively connect a corresponding element to a transmission housing, the corresponding element being an element of the second, third, and fourth planetary gear sets that is not interconnected.
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公开(公告)号：US10352406B2
公开(公告)日：2019-07-16
申请号：US15815990
申请日：2017-11-17
发明人： Ilhan Yoo , Seong Wook Hwang , Seongwook Ji , Juhyeon Park , Hyun Sik Kwon , Jae Chang Kook , Ki Tae Kim
IPC分类号： F16H3/66
摘要： A planetary gear train may include input and output shafts, first to fourth planetary gear sets having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements, a first shaft fixedly connected to the fourth and tenth elements, and selectively connectable to the input shaft, a second shaft fixedly connected to the third element, and selectively connectable to the input shaft, a third shaft fixedly connected to the eleventh element the output shaft, a fourth shaft fixedly connected to the first, sixth, and ninth elements, a fifth shaft fixedly connected to the eighth and twelfth elements, and a plurality of shafts each of which is selectively connectable to the transmission housing and fixedly connected to an element of the first, second and third planetary gear sets which is not fixedly connected to any of the first to seventh shafts.
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公开(公告)号：US10330179B2
公开(公告)日：2019-06-25
申请号：US15826499
申请日：2017-11-29
发明人： Ilhan Yoo , Seongwook Ji , Juhyeon Park , Hyun Sik Kwon , Seong Wook Hwang , Ki Tae Kim
IPC分类号： F16H3/66
摘要： A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train includes an input shaft for receiving an engine torque, an output shaft for outputting a torque, four planetary gear sets each having three rotational elements. The planetary gear train further comprises a plurality of additional shafts, each of which is selectively connected to the transmission housing and fixedly connected to a rotation element of the first, second, third, and fourth planetary gear set that is not fixedly connected with any of the first to fifth shafts.
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