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公开(公告)号：US11118659B2
公开(公告)日：2021-09-14
申请号：US16883824
申请日：2020-05-26
发明人： Seong Wook Hwang , Soonki Eo , Ilhan Yoo , Dongwoo Kim , Yong Sug Choi , Jong Hyo Park
摘要： A power transmission apparatus for a hybrid electric vehicle may include first and second input shafts coaxially mounted and selectively receiving an engine torque, a compound planetary gear set mounted on the second input shaft, receiving a motor torque, and formed by combining two planetary gear sets sharing a sun gear and a planet carrier, an idle shaft mounted in parallel with the first input shaft, a first output shaft mounted in parallel to the first input shaft, receiving a torque from at least the first input shaft, and outputting a torque through the first output gear, a connection element selectively transmitting the engine torque to the compound planetary gear set or the first input shaft, an engagement element selectively connecting the compound planetary gear set to a transmission housing, and a plurality of gear sets mounted on the first and second input shafts and idle shaft and the first output shaft.
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公开(公告)号：US10889175B1
公开(公告)日：2021-01-12
申请号：US16890605
申请日：2020-06-02
发明人： Seong Wook Hwang , Soonki Eo , Ilhan Yoo , Dongwoo Kim , Yong Sug Choi , Jong Hyo Park
摘要： A power transmission apparatus for a vehicle includes: an input shaft receiving engine torque; a compound planetary gear set formed by first and second planetary gear sets and having first to fifth elements; a first shaft fixedly connected to the first element, fixedly connected to a motor/generator, and selectively connected to the input shaft; a second shaft fixedly connected to the second element and selectively connected to the input shaft; a third shaft fixedly connected to the third element and selectively connected to a housing; a fourth shaft fixedly connected to the fourth element, fifth shaft fixedly connecting the fifth element and an output gear; a sixth shaft selectively connected to the second shaft and the fourth shaft and selectively connected to the housing; engagement elements including a clutch and a brake; and an engagement unit selectively connecting the sixth shaft to the second shaft or the fourth shaft.
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公开(公告)号：US11117462B2
公开(公告)日：2021-09-14
申请号：US16938283
申请日：2020-07-24
发明人： Seong Wook Hwang , Soonki Eo , Ilhan Yoo , Dongwoo Kim , Yong Sug Choi , Jong Hyo Park
摘要： A power transmission apparatus of a hybrid electric vehicle includes a first input shaft mounted along an axis of an engine shaft and selectively connectable to the engine shaft, a second input shaft formed as a hollow shaft, coaxially mounted with the first input shaft, and fixedly connected to a rotor of the first motor-generator, a third input shaft formed as a hollow shaft, coaxially mounted with the first input shaft, and selectively connectable to the first input shaft, an intermediate shaft mounted in parallel with the first input shaft, an output shaft mounted in parallel to the first input shaft and outputting a shifted toque, a planetary gear set mounted on the output shaft, having an element fixed to the output shaft and forming a shifted torque, and a plurality of gear sets mounted over the first, second, and third input shafts, the intermediate shaft, and the output shaft.
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公开(公告)号：US11168765B2
公开(公告)日：2021-11-09
申请号：US16848263
申请日：2020-04-14
发明人： Seong Wook Hwang , Soonki Eo , Ilhan Yoo , Dongwoo Kim , Yong Sug Choi , Jong Hyo Park
IPC分类号： F16H3/66
摘要： A power transmission apparatus for a hybrid electric vehicle may employ two clutches, two brakes, a dog clutch unit to a planetary gear train of having three planetary gear sets, and thereby provide various shifting modes such as an engine mode and a parallel hybrid mode of multiple shift-stages, an electronically-controlled continuously variable shifting mode, and an electric vehicle mode.
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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：US11331997B1
公开(公告)日：2022-05-17
申请号：US17374687
申请日：2021-07-13
发明人： Dongwoo Kim , Seong Wook Hwang , Kijong Park , Chon Ok Kim , Jong Hyo Park , Juhyeon Park , Sangki Kwak , Seong Kyeong Cheon , Kwang Hyun Won , Soonki Eo , Yong Sug Choi , Ilhan Yoo
摘要： A hybrid power transmission apparatus for a vehicle which changes and outputs torque of an engine and a first motor, includes an input shaft selectively input engine torque through an engine clutch, an output externally engages with a differential final reduction gear through an output gear to output shifted torque, a fixed shifting section including a plurality of external gear sets implementing an engine mode having multiple fixed shifting stages, and a mode shifting section including a planetary gear set having a first rotation element fixedly connected to the input shaft and a third rotation element that is externally gear-engaged with a first motor gear of the first motor via a first gear, and one external gear set configured for power connection between a second rotation element of the planetary gear set and the output shaft.
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公开(公告)号：US20220194204A1
公开(公告)日：2022-06-23
申请号：US17401008
申请日：2021-08-12
发明人： Seong Wook Hwang , Tae Whan Kim , Youngbae Ryu , Jong Hyo Park , Hyung-Min Kim , Juhyeon Park , Yongdal Choi , Jaewook Lee , Wonmin Cho
摘要： A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
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公开(公告)号：US11642955B1
公开(公告)日：2023-05-09
申请号：US17685804
申请日：2022-03-03
发明人： Seong Wook Hwang , Tae Whan Kim , Youngbae Ryu , Jong Hyo Park , Hyung-Min Kim , Juhyeon Park , YongDal Choi , Jaewook Lee , Wonmin Cho
CPC分类号： B60K6/365 , B60K6/26 , B60K6/383 , B60K6/442 , B60K2006/381
摘要： A power transmission apparatus of a hybrid vehicle having an engine and first and second motor-generators includes: a planetary gear set disposed on a first motor shaft of the first motor-generator, and including a planet carrier connected to an engine shaft, a sun gear connected to the first motor shaft, and a ring gear connected to a drive gear through a one-way clutch, a second motor shaft gear connected to a second motor shaft of the second motor-generator, an output shaft disposed between the engine shaft and the second motor shaft, and a brake unit to selectively connect the sun gear and the ring gear to a transmission housing. In particular, the output shaft is externally gear-meshed with the drive gear and the second motor shaft gear respectively through a driven gear, and externally gear-meshed with a final reduction gear of the differential gear through an output gear.
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公开(公告)号：US11524564B2
公开(公告)日：2022-12-13
申请号：US17401008
申请日：2021-08-12
发明人： Seong Wook Hwang , Tae Whan Kim , Youngbae Ryu , Jong Hyo Park , Hyung-Min Kim , Juhyeon Park , Yongdal Choi , Jaewook Lee , Wonmin Cho
摘要： A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
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