US 9,810,292 B2
Planetary gear train of automatic transmission for vehicles
Hyun Sik Kwon, Whasung-Si (KR); Seong Wook Hwang, Whasung-Si (KR); Wonmin Cho, Whasung-Si (KR); Jae Chang Kook, Whasung-Si (KR); and Seongwook Ji, Whasung-Si (KR)
Assigned to Hyundai Motor Company, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR)
Filed on Aug. 26, 2016, as Appl. No. 15/248,253.
Claims priority of application No. 10-2016-0031671 (KR), filed on Mar. 16, 2016.
Prior Publication US 2017/0268607 A1, Sep. 21, 2017
Int. Cl. F16H 3/66 (2006.01)
CPC F16H 3/66 (2013.01) [F16H 2200/0065 (2013.01); F16H 2200/2012 (2013.01); F16H 2200/2046 (2013.01)] 10 Claims
OG exemplary drawing
 
5. A planetary gear train of claim of an automatic transmission for a vehicle, comprising:
an input shaft for receiving an engine torque;
an output shaft for outputting a shifted torque;
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,
wherein the input shaft is directly connected with the second rotation element,
the output shaft is directly connected with the twelfth rotation element,
the first rotation element is directly connected with the sixth rotation element and the eleventh rotation element,
the second rotation element is directly connected with the fourth rotation element and seventh rotation element, and directly connected with the input shaft,
the fifth rotation element is selectively connectable with the eighth rotation element and the ninth rotation element,
the eighth rotation element is selectively connectable with the twelfth rotation element, and
the tenth rotation element is selectively connectable with the ninth rotation element.