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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：US10663013B2
公开(公告)日：2020-05-26
申请号：US16128661
申请日：2018-09-12
发明人： Yong Uk Shin , Juhyeon Park , Minho Chae , Seongwook Ji
IPC分类号： F16D25/0638 , F16H57/08 , F16D13/52
摘要： A power delivery device for an automatic transmission may include a clutch drum connected to an input shaft, a clutch disposed in the clutch drum and including a friction member connected to a planet carrier of a planetary gear set through a clutch hub, and a piston device disposed corresponding to the clutch and operating the clutch by hydraulic pressure.
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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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公开(公告)号：US10465778B2
公开(公告)日：2019-11-05
申请号：US15820290
申请日：2017-11-21
发明人： Hyun Sik Kwon , Seong Wook Hwang , Ki Tae Kim , Wonmin Cho , Jae Chang Kook , Seongwook Ji
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 direction changer disposed on an input shaft side and transmitting the torque of the engine to the input shaft with or without change of rotation direction, or disposed on an output shaft side and outputting the torque of the output shaft with or without change of rotation direction; a first planetary gear set including first, second and third rotation elements; a compound planetary gear set including fourth, fifth, sixth, and seventh rotation elements by combining second and third planetary gear sets; a fourth planetary gear set including eighth, ninth, and tenth rotation elements.
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公开(公告)号：US10465771B2
公开(公告)日：2019-11-05
申请号：US15819772
申请日：2017-11-21
发明人： Ilhan Yoo , Seong Wook Hwang , Seongwook Ji , Juhyeon Park , Hyun Sik Kwon , Jae Chang Kook , Ki Tae Kim
摘要： A planetary gear train of an automatic transmission includes an input shaft for receiving an engine torque; an output shaft for outputting a torque; a first planetary gear set having first, second, and third rotational elements; a second planetary gear set having fourth, fifth, and sixth rotational elements; a third planetary gear set having seventh, eighth, and ninth rotational elements; and a fourth planetary gear set having tenth, eleventh, and twelfth rotational elements. The gear train further includes a first shaft and a second shaft each selectively connected with the input shaft; a third shaft fixedly connected with the output shaft; a fourth shaft fixedly connected with the first, sixth and eighth elements; a fifth shaft fixedly connected with the ninth and tenth elements; and a plurality of shafts, each selectively connected to the transmission housing and fixedly connected to one of the rotational elements of the planetary gear sets.
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公开(公告)号：US10458521B2
公开(公告)日：2019-10-29
申请号：US15816758
申请日：2017-11-17
发明人： Hyun Sik Kwon , Seong Wook Hwang , Wonmin Cho , Jae Chang Kook , Seongwook Ji
IPC分类号： F16H3/66
摘要： A planetary gear train may include 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, a first shaft connected to the fifth and eighth elements, and selectively connectable to the input shaft, a second shaft connected to the tenth element, and selectively connectable to the input shaft, a third shaft connected to the ninth element the output shaft, a fourth shaft connected to the third and twelfth elements, a fifth shaft connected to the seventh and eleventh elements, and a plurality of shafts each selectively connecting a corresponding element to a transmission housing, the corresponding element being an element of the first and second planetary gear sets which is not interconnected.
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公开(公告)号：US20190126739A1
公开(公告)日：2019-05-02
申请号：US15821487
申请日：2017-11-22
发明人： Wonmin Cho , Seong Wook Hwang , Kijong Park , Seongwook Ji , Ki Dong Kim , Hyun Sik Kwon , Cheol Ho Jang , Jae Chang Kook , Ki Tae Kim
IPC分类号： B60K6/543 , F16H3/72 , F16H3/00 , F16H3/091 , B60K6/365 , B60K6/48 , B60K6/547 , F16H37/04 , F16H37/08
摘要： A power transmission apparatus for a vehicle may include: a first, second, third, and fourth input shaft; an output shaft; an idle shaft; a fixed transmission performing shifts to fixed shift stages depending on gear ratios of four change gear trains; and a torque assist driving and electronic continuously variable automatic transmission performing a torque assist for a torque input from the fixed transmission and performing electric vehicle driving and electronic continuously variable automatic transmission functions to output the torque through the output shaft. The disclosed power transmission apparatus implements fixed shift stages of four forward speeds and one reverse speed in a dual clutch transmission (DCT) structure that uses three synchronizers. The disclosed power transmission apparatus improves fuel consumption and acceleration performance by adding one planetary gear set and a motor/generator to enable driving in an electric vehicle (EV) mode and an electronic continuously variable automatic transmission (e-CVT) mode.
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