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公开(公告)号：US10571002B1
公开(公告)日：2020-02-25
申请号：US16202500
申请日：2018-11-28
发明人： Juhyeon Park , Seongwook Ji , Hyun Sik Kwon , Ilhan Yoo , Seong Wook Hwang , Ki Tae Kim
IPC分类号： F16H37/04
摘要： A power transmission apparatus includes: an input shaft, an output gear; a compound planetary gear set including a first planetary gear set including first, second and third rotation elements, and a second planetary gear set including fourth, fifth and sixth rotation elements; a first shaft fixedly connected with the first rotation element and the fourth rotation element and selectively connected with the input shaft; a second shaft fixedly connected with the fifth rotation element, and selectively connected with the input shaft and a transmission housing; a third shaft fixedly connected with the second rotation element, the sixth rotation element and the output gear; a fourth shaft fixedly connected with the third rotation element; an intermediate shaft; a first gear set transmitting the torque from the input shaft to the intermediate shaft; and a second gear set selectively transmitting the torque from the intermediate shaft to the fourth shaft.
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公开(公告)号：US20200032886A1
公开(公告)日：2020-01-30
申请号：US16144691
申请日：2018-09-27
发明人： Wonmin Cho , Kijong Park , Seongwook Ji , Ki Dong Kim , Hyun Sik Kwon , Cheol Ho Jang , Seong Wook Hwang , Ki Tae Kim
摘要： A power transmission apparatus includes a first input shaft selectively receiving an input torque, a second input shaft coaxially disposed with the first input shaft and selectively receiving the input torque, first and second intermediate shafts selectively interconnected and disposed in parallel with the first input shaft, a torque mediating shaft coaxially disposed with the first input shaft, a preliminary shifting section receiving a torque through a first input shaft and selectively outputting a shifted torque to the second intermediate shaft, a compound shifting section including a planetary gear set having a sun gear fixedly connected with the torque mediating shaft, a planet carrier fixedly connected with the second input shaft, and a ring gear externally gear-meshed with the second intermediate shaft, and an output shaft receiving a torque received from the compound shifting section and transmitting the received torque to a differential.
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公开(公告)号：US10533642B2
公开(公告)日：2020-01-14
申请号：US15824720
申请日：2017-11-28
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 of an automatic transmission for a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting torque, a first planetary gear set including first, second, and third rotation elements, a second planetary gear set including fourth, fifth, and sixth rotation elements, a third planetary gear set including seventh, eighth, and ninth rotation elements, and a fourth planetary gear set having tenth, eleventh, and twelfth rotation elements. The planetary gear train may further include a first plurality of shafts each fixedly connected with at least one of the rotation elements from the first, second, third, or fourth planetary gear sets, a second plurality of shafts, each selectively connected to a transmission housing and fixedly connected to a rotation element of the first and third planetary gear sets that is not fixedly connected with any of the first plurality of shafts.
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公开(公告)号：US10527169B2
公开(公告)日：2020-01-07
申请号：US16111800
申请日：2018-08-24
发明人： Juhyeon Park , Minho Chae , Yong Uk Shin , Seongwook Ji
IPC分类号： F16H63/30 , F16D65/18 , F16D55/40 , F16D129/04 , F16D121/04 , F16D127/02 , F16D125/06 , F16D125/10
摘要： A power delivery device configured for an automatic transmission may include a brake disposed between a rotation element connected to a brake hub and a transmission housing, and a piston device disposed corresponding to the brake and operating the brake by hydraulic pressure, wherein the power delivery device configured for an automatic transmission selectively connects the rotation element to the transmission housing by use of dual pistons.
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公开(公告)号：US20190383361A1
公开(公告)日：2019-12-19
申请号：US16144559
申请日：2018-09-27
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
IPC分类号： F16H3/00 , F16H37/08 , F16H3/089 , F16H61/688 , F16H3/56
摘要： A power transmission apparatus includes a first input shaft receiving an input torque, second and third input shafts coaxially disposed and selectively connected with the first input shaft, first and second torque mediating shafts coaxially disposed with the first input shaft, first and second intermediate shafts and an output shaft disposed in parallel with the first input shaft, a first shifting section receiving a torque from the third input shaft and outputting a plurality of first shifted torques, a second shifting section including a first planetary gear set selectively connected with the first input shaft and outputting a plurality of second shifted torques, 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：US10480620B2
公开(公告)日：2019-11-19
申请号：US15726611
申请日：2017-10-06
发明人： Seong Wook Hwang , Hyun Sik Kwon , Ki Tae Kim , Wonmin Cho , Jae Chang Kook , Seongwook Ji
IPC分类号： F16H3/00
摘要： A power transmission apparatus includes: a first input shaft; a second input shaft coaxially disposed with the first input shaft and selectively connected with the first input shaft; a third input shaft coaxially disposed with the second input shaft and selectively connected with the first input shaft; a first output shaft in parallel with the first input shaft; a second output shaft arranged in series to and selectively connected with the first output shaft; a first shift-stage shifting section outputting two shifted torques from the third input shaft to the first output shaft; a second shift-stage shifting section outputting one shifted torque and one reverse torque from the second input shaft to the first output shaft; and a compound shifting section outputting a shifted output torque from a received torque selectively from the first input shaft or the first output shaft.
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公开(公告)号：US10385944B2
公开(公告)日：2019-08-20
申请号：US15833946
申请日：2017-12-06
发明人： Hyun Sik Kwon , Seongwook Ji , Ki Tae Kim , Juhyeon Park , Ilhan Yoo , Seong Wook Hwang , Wonmin Cho
摘要： A planetary gear train of an automatic transmission is disclosed. The planetary gear train comprises four planetary gear sets each including three rotation elements. The planetary gear train further comprises five shafts connecting at least one rotation member that are fixedly or operably connecting at least one rotation member to at least one from an input shaft of the transmission, an output shaft of the transmission, and the another rotation member of another planetary gear sets.
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公开(公告)号：US10344835B2
公开(公告)日：2019-07-09
申请号：US15834836
申请日：2017-12-07
发明人： Ilhan Yoo , Seongwook Ji , Juhyeon Park , Hyun Sik Kwon , Seong Wook Hwang , Ki Tae Kim
摘要： A planetary gear train of an automatic transmission is disclosed. The planetary gear train includes an input shaft receiving torque of an engine and an output shaft outputting torque. A first planetary gear set includes first, second, and third rotation elements, a second planetary gear set includes fourth, fifth, and sixth rotation elements, a third planetary gear set includes seventh, eighth, and ninth rotation elements, and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements. Each of a first plurality of shafts is fixedly connected with one of the rotation elements from the first, the second, the third, and the fourth planetary gear sets. A second plurality of shafts is formed by combinations of remaining rotation elements of the first, the second, and the fourth planetary gear sets that are not connected to the first plurality of shafts, and selectively and respectively connected to a transmission housing.
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公开(公告)号：US10344832B2
公开(公告)日：2019-07-09
申请号：US15814135
申请日：2017-11-15
发明人： Seongwook Ji , Ki Tae Kim , Juhyeon Park , Hyun Sik Kwon , Ilhan Yoo , Seong Wook Hwang , Wonmin Cho
IPC分类号： F16H3/66
摘要： A planetary gear train may include input and output shafts, first to third planetary gear sets respectively having first to third, fourth to sixth, and seventh to ninth elements, a first shaft connected to the first element, and selectively connectable to the input shaft, a second shaft connected to the fifth element, and selectively connectable to the input shaft, a third shaft connected to the eighth element and the output shaft, a fourth shaft connected to the second element and the fourth element, a fifth shaft connected to the third and seventh elements, a sixth shaft connected to the sixth element and the transmission housing, and a seventh shaft connected to the ninth element and selectively connectable to the transmission housing.
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公开(公告)号：US20190203809A1
公开(公告)日：2019-07-04
申请号：US15955580
申请日：2018-04-17
发明人： Seong Wook Hwang , Hyun Sik Kwon , Wonmin Cho , Seongwook Ji , Ki Tae Kim
IPC分类号： F16H3/66
CPC分类号： F16H3/666 , F16H3/66 , F16H2003/445 , F16H2200/0065 , F16H2200/0073 , F16H2200/201 , F16H2200/2041 , F16H2200/2046 , F16H2200/2048
摘要： A planetary gear train may include first to third gear sets having three elements, respectively, the first and second gear sets mounted on input shaft, the third gear set mounted on output shaft, first shaft fixed to the first element and selectively connectable to the input shaft and housing, second shaft fixed to the second and sixth elements and selectively connectable to the input shaft and the housing, third shaft fixed to the third and fifth elements, fourth shaft fixed to the fourth element and selectively connectable to the housing, fifth shaft fixed to the seventh element and engaged with the third shaft, sixth shaft fixed to the eighth element and selectively connectable to the input shaft, seventh shaft fixed to the ninth element and the output shaft and selectively connectable to the fifth shaft, and two transfer gears each engaged between corresponding pair of shafts.
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