Hyundai Motor Company

SeokJin Kim

Dong Hwan Hwang

Seong Wook Hwang

Seongwook Ji

Wonmin Cho

Hyun Sik Kwon

Jong Sool Park

Kyeong Hun Lee

Jae Chang Kook

Chang Wook Lee

JongSool Park

Sueng Ho Lee

KyeongHun Lee

Jong Soo Kim

A planetary gear train of an automatic transmission for a vehicle includes an input shaft, an output shaft, 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 rotational elements, a first shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft connecting the sixth rotational element to the seventh rotational element and selectively connected to the input shaft or the third shaft, a sixth shaft connecting the eighth rotational element to the twelfth rotational element, a seventh shaft connected to the ninth rotational element, and an eighth shaft connected to the eleventh rotational element, selectively connected to the fourth shaft and directly connected to the output shaft.

Planetary gear train of vehicle automatic transmission

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 a first rotation element, a second rotation element, and a third rotation element, a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element, a third planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element, and a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element.

Planetary gear train of automatic transmission for vehicle

A planetary gear train of an automatic transmission for a vehicle, the planetary gear train may include an input shaft receiving power from an engine, an output shaft outputting shifted power of the engine, 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 which are disposed at positions where at least one of the rotating elements is selectively connectable with another of the rotating elements or disposed at positions where rotating elements are selectively connectable to a transmission housing.

Planetary gear train of automatic transmission for vehicles

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.

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 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.

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

Nine or more forward speeds and at least one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements and a transmission housing.

A planetary gear set of an automatic transmission for a vehicle may include input and output shafts for receiving and outputting torques, first to fourth planetary gear sets respectively forming first to third, fourth to sixth, seventh to ninth, and tenth to twelfth rotational elements, and six control elements each of which selectively interconnects a corresponding pair among the input and output shafts, the rotational elements, and a transmission housing, where the input and output shafts are fixedly connected to the first and eleventh rotational elements respectively, respective pairs of the first and sixth rotational elements, the second and ninth rotational elements, the third and tenth rotational elements, the fifth and eleventh rotational elements are fixedly interconnected, and the seventh rotational element is selectively connected to the transmission housing.

An automatic transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear sets and six control elements which are disposed between the rotating elements, and disposed at portions where the rotating elements are selectively connected to a transmission housing, in which the input shaft is directly connected with the second rotating element, the output shaft is directly connected with the eleventh rotating element, the first rotating element is directly connected with the seventh rotating element, the sixth rotating element is directly connected with the transmission housing, the fourth rotating element is directly connected with the ninth rotating element, the eighth rotating element is directly connected with the tenth rotating element, and at least ten forward speeds and one reverse speed are implemented by operations of three control elements among the six control elements.

Nine or more forward speeds and at least one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotational elements, and six control elements for selectively interconnecting the rotational elements.

A planetary gear train of an automatic transmission may include an input shaft; an output shaft; first to fourth planetary gear sets and six control elements disposed at a portion selectively connecting the rotation elements and the rotation elements or a portion selectively connecting the rotation elements and the transmission housing, wherein the input shaft is continuously connected to the third rotation element, the output shaft is continuously connected to the twelfth rotation element, the first rotation element is continuously connected to the transmission housing, the fourth rotation element is continuously connected to the seventh rotation element, the fourth rotation element is continuously connected to the tenth rotation element, the eighth rotation element is continuously connected to the twelfth rotation element, the fifth rotation element is selectively connected to the transmission housing.

Growing community of inventors

Hwaseong-si, South Korea

SeokJin Kim