US 12,214,669 B2
Power train for vehicle
Jin Ho Kim, Suwon-si (KR); Yong Hwan Choi, Seoul (KR); Joo Hang Lee, Yongin-si (KR); and Yong Hoo Kim, Incheon (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Jun. 2, 2022, as Appl. No. 17/830,728.
Claims priority of application No. 10-2021-0096515 (KR), filed on Jul. 22, 2021.
Prior Publication US 2023/0022828 A1, Jan. 26, 2023
Int. Cl. B60K 6/40 (2007.10); B60K 6/36 (2007.10); B60K 6/442 (2007.10); B60K 6/547 (2007.10); F16H 57/00 (2012.01); F16H 59/44 (2006.01)
CPC B60K 6/40 (2013.01) [B60K 6/36 (2013.01); B60K 6/442 (2013.01); B60K 6/547 (2013.01); F16H 57/0018 (2013.01); F16H 59/44 (2013.01); B60Y 2200/92 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A power train for a vehicle, the power train comprising:
a first input shaft configured to receive rotating forces from a first motor and an engine, wherein the first motor is directly connected to an end of the first input shaft;
a second input shaft configured to receive a rotating force from a second motor, wherein the second motor is directly connected to an end of the second input shaft such that the first motor and the second motor are disposed in one direction;
an output shaft disposed in parallel with the first input shaft and the second input shaft;
a transmission gear set in which a plurality of gear sets having different gear ratios are engaged with and coupled to the first input shaft and the output shaft;
a shifting unit configured to select a gear set of the plurality of gear sets based on a traveling speed of the vehicle; and
a motor-side transfer gear set engaged with and coupled to the second input shaft and the output shaft.