公开(公告)号：EP3395596A1

公开(公告)日：2018-10-31

申请号：EP16877659.9

申请日：2016-12-15

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin ,  ZHENG, Feng

IPC: B60K6/365

CPC classification number: F16H3/728 ,  B60K1/02 ,  B60K6/365 ,  B60K6/387 ,  B60K6/442 ,  B60K6/445 ,  B60K6/52 ,  B60K7/0007 ,  B60K2006/381 ,  F16H48/36 ,  Y02T10/6239

Abstract: The present invention discloses a power-driven system and a vehicle. The power-driven system includes: a power coupling device, where the power coupling device includes a first sun gear, a first planet carrier, a first ring gear, a second sun gear, a second planet carrier, a second ring gear, and a power transmission part, the power transmission part being coaxially linked to the first sun gear and the second sun gear; a power source, where the power source is configured to selectively connect to the power transmission part; a first motor generator and a second motor generator, where the first motor generator is linked to the first ring gear, and the second motor generator is linked to the second ring gear; and a first braking device directly or indirectly braking the power transmission part.

公开(公告)号：EP3353446A1

公开(公告)日：2018-08-01

申请号：EP16848042.4

申请日：2016-09-13

Applicant: BYD Company Limited

Inventor： LING, Heping ,  ZHAI, Zhen ,  ZHENG, Feng ,  XU, Youbin

IPC: F16H48/11 ,  F16H48/10

CPC classification number: F16H48/11 ,  F16H2048/104

Abstract: A differential, a power transmission system, and a vehicle are provided. The differential includes: a first planetary carrier, a first gear ring, and a first planetary gear disposed on the first planetary carrier and meshed with the first gear ring; and a second planetary carrier, a second gear ring, and a second planetary gear disposed on the second planetary carrier and meshed with the second gear ring and the first planetary gear, in which the first gear ring and the second gear ring are configured as two power output ends of the differential, the first planetary carrier and the second planetary carrier are configured as power input ends of the differential, and a revolution radius of the first planetary gear is different from a revolution radius of the second planetary gear.

公开(公告)号：EP3245088A1

公开(公告)日：2017-11-22

申请号：EP15877566.8

申请日：2015-06-30

Applicant: BYD Company Limited

Inventor： RUAN, Ou ,  ZHAI, Zhen ,  XU, Youbin ,  WU, Fei

IPC: B60K6/36 ,  B60K6/547

CPC classification number: B60K6/48 ,  B60K6/26 ,  B60K6/365 ,  B60K6/387 ,  B60K6/40 ,  B60K6/52 ,  B60K6/547 ,  B60K2006/4808 ,  B60K2006/4816 ,  B60K2006/4841 ,  B60Y2200/92 ,  F16H3/006 ,  F16H3/091 ,  F16H37/0806 ,  F16H48/36 ,  F16H2003/0803 ,  F16H2003/0822 ,  F16H2003/0931 ,  F16H2048/364 ,  Y02T10/6221 ,  Y02T10/6256 ,  Y02T10/626 ,  Y02T10/6265 ,  Y10S903/906 ,  Y10S903/91 ,  Y10S903/916 ,  Y10S903/919 ,  Y10S903/951

Abstract: A transmission unit includes: gear pairs; input shafts; output shafts performing power transmission with the input shafts via the gear pairs; a motor power output gear disposed on one of the output shafts; a motor power shaft; a first motor power shaft gear disposed on the motor power shaft and configured to rotate together with one shift driving gear; a second motor power shaft gear disposed on the motor power shaft and configure to rotate together with the motor power output gear; and an output idler gear fitted over the motor power shaft and configured to rotate together with the motor power shaft via a synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.