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公开(公告)号：US10330178B2
公开(公告)日：2019-06-25
申请号：US15823909
申请日：2017-11-28
发明人： Seong Wook Ji , Seong Wook Hwang , Hyun Sik Kwon , Ki Tae Kim , Won Min Cho , Jae Chang Kook
IPC分类号： F16H3/66
摘要： A vehicle transmission realizes speed change via variation in rotation speed and direction by selective control operation using combinations of six friction elements and a plurality of rotating elements of four planetary gear devices, and enables vehicle driving by realizing at least ten stage gear ratios for forward movement and at least one stage gear ratio for backward movement based on different speeds, wherein the vehicle transmission may increase fuel efficiency and power performance resulting from the multiple stages of the transmission.
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公开(公告)号：US10668915B2
公开(公告)日：2020-06-02
申请号：US16035999
申请日：2018-07-16
发明人： Ma Ru Kang , Sun Sung Kwon , Yong Uk Shin , Seong Wook Ji , Soon Ki Eo , Chon Ok Kim , Il Han Yoo , Min Ho Chae , Yong Sug Choi , Ki Tae Kim
IPC分类号： B60W10/08 , F16D23/04 , F16H61/04 , B60K6/48 , B60W20/15 , F16H3/089 , B60K6/365 , F16H37/04
摘要： A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.
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公开(公告)号：US20190315332A1
公开(公告)日：2019-10-17
申请号：US16035999
申请日：2018-07-16
发明人： Ma Ru Kang , Sun Sung Kwon , Yong Uk Shin , Seong Wook Ji , Soon Ki Eo , Chon Ok Kim , Il Han Yoo , Min Ho Chae , Yong Sug Choi , Ki Tae Kim
摘要： A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.
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公开(公告)号：US20190056014A1
公开(公告)日：2019-02-21
申请号：US15823909
申请日：2017-11-28
发明人： Seong Wook Ji , Seong Wook Hwang , Hyun Sik Kwon , Ki Tae Kim , Won Min Cho , Jae Chang Kook
CPC分类号： F16H3/66 , F16H2200/0069 , F16H2200/2012 , F16H2200/2046
摘要： A vehicle transmission realizes speed change via variation in rotation speed and direction by selective control operation using combinations of six friction elements and a plurality of rotating elements of four planetary gear devices, and enables vehicle driving by realizing at least ten stage gear ratios for forward movement and at least one stage gear ratio for backward movement based on different speeds, wherein the vehicle transmission may increase fuel efficiency and power performance resulting from the multiple stages of the transmission.
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公开(公告)号：US11002339B2
公开(公告)日：2021-05-11
申请号：US16200302
申请日：2018-11-26
发明人： Cheol Ho Jang , Woochurl Son , Sun Sung Kwon , Seong Wook Hwang , Kijong Park , Yong Uk Shin , Seongwook Ji , Ki Tae Kim , Chon Ok Kim , Wonmin Cho , Hyun Sik Kwon , Ilhan Yoo , Juhyeon Park , Minho Chae , Dongwoo Kim , Hye Jin Lim , Soonki Eo , Ki Dong Kim , Woo Jin Chang , Yong Sug Choi , Young Chan Gweon
摘要： A power transmission apparatus for a vehicle may include a first input shaft directly connected to a motor/generator, a second and third input shafts coaxial and selectively connectable to the first input shaft, a torque mediating shaft coaxial with the first input shaft, an intermediate shaft and output shaft disposed in parallel with the first input shaft, a first shifting section receiving torque from the third input shaft and outputting a modified torque to the torque mediating shaft, a second shifting section including first planetary gear set, shifting torque of the first input shaft to output the shifted torque to the torque mediating shaft, and selectively stopping the torque mediating shaft, and a third shifting section including second planetary gear set, forming an output torque in combination of torques from the first and second shifting sections and the second input shaft, and outputting the output torque to the output shaft.
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公开(公告)号：US10753432B2
公开(公告)日：2020-08-25
申请号：US16207885
申请日：2018-12-03
发明人： Seong Wook Hwang , Woochurl Son , Kijong Park , Sangwon Seo , Yong Uk Shin , Seongwook Ji , Ki Tae Kim , Chon Ok Kim , Wonmin Cho , Ma Ru Kang , Ilhan Yoo , Juhyeon Park , Minho Chae , Dongwoo Kim , Hye Jin Lim , Ki Been Lim , Jin Yong Kim , Soonki Eo , Ki Dong Kim , Woo Jin Chang , Yong Sug Choi , Sun Sung Kwon
摘要： A power transmission apparatus includes: a first input shaft always receiving an input torque from an engine; second and third input shafts coaxially disposed and selectively connected with the first input shaft; a torque mediating shaft selectively connected with the first input shaft or a transmission housing; first and second intermediate shafts and an output shaft respectively disposed in parallel with the first input shaft; a first preliminary shifting section receiving a torque through a first input gear set, selectively shifting the received torque, and outputting the shifted torque; a second preliminary shifting section including a second shifting gear set which outputs a torque from the first input shaft and stops; and a compound shifting section forming an output torque by the input torque and the first and second shifted torques.
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公开(公告)号：US10697523B2
公开(公告)日：2020-06-30
申请号：US16174541
申请日：2018-10-30
发明人： Juhyeon Park , Seongwook Ji , Hyun Sik Kwon , Ilhan Yoo , Seong Wook Hwang , Ki Tae Kim
摘要： A planetary gear train of an automatic transmission for a vehicle may include: an input shaft; an output shaft disposed in parallel with the input shaft; a first planetary gear set having first, second, and third rotation elements; a second planetary gear set having fourth, fifth, and sixth rotation elements; a first shaft fixedly connected to the first rotation element and selectively connected to the input shaft and a transmission housing; a second shaft fixedly connected to the second rotation element; a third shaft fixedly connected to the third rotation element; a fourth shaft selectively connected to the input shaft; a fifth shaft fixedly connected to the fourth rotation element and fixedly connected to the output shaft; a sixth shaft fixedly connected to the fifth rotation element; and a seventh shaft fixedly connected to the sixth rotation element, selectively connected to the fifth shaft.
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公开(公告)号：US10569636B1
公开(公告)日：2020-02-25
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
IPC分类号： B60K6/36 , B60K6/48 , B60K6/54 , F16H3/00 , F16H3/54 , B60K6/365 , F16H37/06 , F16H3/093 , B60K6/547
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：US10549623B1
公开(公告)日：2020-02-04
申请号：US16154072
申请日：2018-10-08
发明人： Juhyeon Park , Seongwook Ji , Ki Tae Kim , Hye Jin Lim , 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 first to third input shafts each selectively connected with a motor shaft. A power mediating shaft is coaxially disposed with the first input shaft, and first and second intermediate shafts each are disposed in parallel with the first input shaft. The second intermediate shaft is selectively connected with a transmission housing, and an idle shaft is disposed in parallel with the first input shaft. A first shifting section includes six gear sets disposed on the above shafts and outputs a plurality of intermediate shift-stages shifted from torques received through the first and third input shafts. A second shifting section forms an output torque by combination of torques from the first shifting section and the second input shaft, and an output shaft outputs a torque received from the first and second shifting sections.
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公开(公告)号：US10539209B2
公开(公告)日：2020-01-21
申请号：US15821614
申请日：2017-11-22
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 includes input and output shafts, first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. The planetary gear train includes a first shaft connected with the third, fifth, and eighth elements and selectively connected with the input shaft, a second shaft connected with the fourth element and selectively connected with the input shaft, a third shaft connected with the ninth and twelfth elements and fixedly connected with the output shaft, and a fourth shaft connected with the first, sixth, and seventh elements, a fifth shaft fixedly connected with the eleventh element. The planetary gear train includes a plurality of additional shafts selectively connected to the transmission housing and connected to an element of the first and fourth planetary gear sets that is not connected with any of the first to seventh shafts.
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