Hyundai Motor Company

Kia Motors Corporation

Hyunday Motor Company

JongSool Park

Chang Wook Lee

KyeongHun Lee

Sueng Ho Lee

Dong Hwan Hwang

Kangsoo Seo

Jae Chang Kook

Wonmin Cho

Myonghoon Noh

Seong Wook Hwang

Seongwook Ji

Changwook Lee

Hyun Sik Kwon

Suengho Lee

Hyu Tae Shim

Hyukjun Lee

Donghwan Hwang

Jong Soo Kim

Horim Yang

SeokJin Kim

Hyung Wook Cho

Jongmin Kim

Minjun Song

Myeong Hoon Noh

Tae Seok Seo

Byunghyun Lee

Seongwook Hwang

Hyungwook Cho

Jong Min Kim

Choung Wan Son

Jaechang Kook

Chang Yeon Cho

Changyeon Cho

Chon Ok Kim

Woo Jin Chang

Jinseok Kim

Wookjin Jang

Jinyoung Hwang

Tae Whan Kim

Hyunjun Son

Byung Hyun Lee

Joohang Lee

Myong Hoon Noh

Jonghyo Park

Wonjune Sung

A power transmitting apparatus may include: an electric supplementary drive unit; a torque converting device having first, second, and third rotation elements, wherein the first rotation element is connected to the electric supplementary drive unit, the second rotation element is connected to an engine, and the third rotation element is operated as an output element; a first input shaft directly connected to the second rotation element, and a second input shaft directly connected to the third rotation element; a direct coupling device selectively connecting two rotation elements among the first, second, and third rotation elements, a first speed output unit having first and second synchronizer modules, and a second speed output unit having third and fourth synchronizer modules; and a reverse speed device having an idle gear and engaging to any one input gear on the first and second input shafts.

Power transmitting apparatus for vehicle

A power transmitting apparatus may include first and second input shafts selectively receiving torque of a power source through first and second clutches, first and second output shafts disposed in parallel with the first and second input shafts, a plurality of input gears disposed on the first and second input shafts, and at least five speed gears selectively connected to the first and second output shafts through a plurality of synchronizer modules.

A planetary gear train of an automatic transmission for a vehicle may include an input shaft; an output shaft; a first to fourth planetary gear sets and six control elements disposed at portions selectively connecting between the rotation elements or disposed at portions selectively connecting between the rotation elements and a transmission housing, wherein the input shaft is continuously connected to the second rotation element, the output shaft is continuously connected to the eleventh rotation element, the first rotation element is continuously connected to the fourth rotation element, the fifth rotation element is continuously connected to the eighth rotation element, the sixth rotation element is continuously connected to the eleventh rotation element, the ninth rotation element is continuously connected to the tenth rotation element, the ninth rotation element is selectively connected to the transmission housing, and the six control elements are selectively operated in combination of three of the six control elements.

Planetary gear train of automatic transmission for vehicle

A power transmission apparatus for a may include a first input shaft adapted to selectively receive torque of an engine, a second input shaft disposed without rotational interference with the first input shaft, a third input shaft disposed in a row with the second input shaft and without rotational interference with the first input shaft, a planetary gear set including a first rotation element, a second rotation element directly connected to the third input shaft, and a third rotation element directly connected to the first input shaft, a motor/generator directly connected to the first rotation element, and a first speed output unit and a second speed output unit each adapted to convert torque input from the second input shaft or the third input shaft and output the converted torque.

Power transmission apparatus for hybrid electric vehicle

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 changed 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 compound planetary gear set formed by combining third and fourth planetary gear sets and including seventh, eighth, ninth, and tenth rotation elements, a fifth planetary gear set including eleventh, twelfth, and thirteenth rotation elements, and six friction elements disposed between at least one rotation element among thirteen rotation elements and another rotation element or the input shaft, or between at least one rotation element among the thirteen rotation elements and a transmission housing.

A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving power from an engine, an output shaft configured to output power, a first planetary gear set including first, second, and third rotating elements, a second planetary gear set including fourth, fifth, and sixth rotating elements, a third planetary gear set including seventh, eighth, and ninth rotating elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotating elements, and six control elements, each of which is disposed at a position where one rotating element among twelve rotating elements including the first to twelfth rotating elements is selectively connected with another rotating element among the twelve rotating elements or disposed at a position where one rotating element among the twelve rotating elements is selectively connected to a transmission housing.

A planetary gear train of an automatic transmission for a vehicle may include an input shaft, an output shaft, first to fourth planetary gear sets and seven friction elements disposed to selectively connect the rotation elements with the rotation element and selectively connect the rotation elements with a transmission housing, and wherein the input shaft is continuously connected to the second rotation element, the output shaft is continuously connected to the eleventh rotation element, the first rotation element is continuously connected to the sixth rotation element, the first rotation element is continuously connected to the eighth rotation element, the third rotation element is continuously connected to the seventh rotation element, the ninth rotation element is continuously connected to the tenth rotation element, and the output shaft is selectively connected with the third rotation element, and wherein three friction elements among seven friction elements are operated at each speed stage.

Planetary gear train for automatic transmission of vehicles

A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving power of an engine, an output shaft configured to output shifted power, 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, a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements, and six control elements which are disposed between the rotation elements, and disposed at portions where the rotation elements are selectively connected to a transmission housing.

Planetary gear train of automatic transmission for vehicles

A planetary gear train of automatic transmission may comprise an input shaft, an output shaft, first, second, third, and fourth planetary gear sets having first to twelfth rotating element, and six control elements disposed between one of the rotating elements and another or the input shaft, between one of the rotating elements and the output shaft, or between one of the rotating elements and a transmission housing, wherein the input shaft is directly connected with the third rotating element, the output shaft is connected with the eleventh rotating element continuously, the second rotating element is directly connected with the eleventh rotating element, the third rotating element is directly connected with the fourth rotating element, the fifth rotating element is directly connected with the ninth rotating element, the sixth rotating element is directly connected with the tenth rotating element, and the seventh rotating element is selectively connected with the transmission housing.

Planetary gear train of automatic transmission for a vehicle

A planetary gear train for an automatic transmission may include input shaft, output shaft, first to fourth planetary gear sets and seven friction elements disposed to selectively connect the rotation elements with the rotation element and selectively connect the rotation elements with a transmission housing, and wherein the input shaft is/are continuously connected to the second rotation element, the output shaft is/are continuously connected to the eleventh rotation element, the third rotation element is/are continuously connected to the fifth rotation element, the third rotation element is/are continuously connected to the tenth rotation element, the fourth rotation element is/are continuously connected to the ninth rotation element, the sixth rotation element is/are continuously connected to the seventh rotation element, the input shaft is/are selectively connected to the sixth rotation element, wherein three friction elements among seven friction elements is/are operated at each speed stage.

Planetary gear train of automatic transmission of vehicle

A power transmission system of a hybrid electric vehicle may include an input shaft, an output shaft, a first planetary gear set having three rotation elements, a second planetary gear set having three rotation elements, a third planetary gear set, a first rotational shaft, a second rotational shaft, a third rotational shaft, a fourth rotational shaft, a fifth rotational shaft, a sixth rotational shaft, and a seventh rotational shaft such that the power transmission system can suppress conversion to an ENG mode by providing sufficient power performance at the time of wide open throttle (WOT) launching and maximally use power of an engine at the time of conversion to a first HEV mode and a third HEV mode.

Power transmission system of hybrid electric vehicle

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 changed torque of the engine, 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, a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements, and seven friction elements disposed to selectively connect the rotation elements with each other and selectively connect the rotation elements with a transmission housing.

A power transmitting apparatus for a vehicle achieves seven forward speeds with a minimal number of input gears disposed on input shafts, since the second speed gear and the fourth speed gear are simultaneously engaged with the second input gear and the third speed gear and the seventh speed gear are simultaneously engaged with the third input gear, and distortion of step ratios at the high-speed region may be prevented.

Growing community of inventors

Hwaseong-si, South Korea

JongSool Park