公开(公告)号：EP3533676A1

公开(公告)日：2019-09-04

申请号：EP17865232.7

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： LING, Heping ,  ZHAI, Zhen ,  HUANG, Wei ,  XU, Youbin

IPC: B60W20/00

Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: an input portion, a first conversion portion, a second conversion portion and an output portion, the output portion is connected to an input end of the system power output portion, the input portion is suitable for outputting power from at least one of the power source and the first motor generator unit, the input portion is selectively connected to one of the first conversion portion and the second conversion portion, and each of the first conversion portion and the second conversion portion cooperates with the output portion to perform transmission; and the input portion is connected to the second conversion portion, so that a rotational speed output by the input portion is reduced and then output to the input end of the system power output portion. In this way, driving modes of the vehicle may be enriched, and the vehicle can adapt to different road conditions.

公开(公告)号：EP3533647A1

公开(公告)日：2019-09-04

申请号：EP17865326.7

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： HUANG, Wei ,  XU, Youbin ,  ZHAI, Zhen ,  LING, Heping

IPC: B60K6/36 ,  B60K6/42 ,  B60K6/26 ,  B60K6/24

Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a first motor generator unit; a system power output portion; a first mode conversion device, where the power source and the first motor generator unit is connected to or disconnected from the system power output portion through the first mode conversion device; and a second mode conversion device, where the power source can be connected to or disconnected from the first mode conversion device through the second mode conversion device, the second mode conversion device includes a conversion device input shaft, a first conversion device intermediate shaft and a conversion device output shaft, and the conversion device output shaft is connected to the first motor generator unit; and power from the power source is suitable for being decelerated sequentially through the conversion device input shaft, the first conversion device intermediate shaft and the conversion device output shaft and then output to the first mode conversion device. In this way, driving modes of the vehicle may be enriched, the vehicle can adapt to different road conditions, and driving experience of a driver may be improved.

公开(公告)号：EP3533645A1

公开(公告)日：2019-09-04

申请号：EP17864655.0

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin ,  HUANG, Wei

IPC: B60K6/36 ,  B60K6/42 ,  B60K6/24 ,  B60K6/26

Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a speed change unit; a first motor generator, where the first motor generator is power-coupled to the speed change unit; a speed change unit output portion, where the speed change unit output portion is constructed to be suitable for outputting power output through the speed change unit; a system power output portion; a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, and the speed change unit output portion is power-coupled to the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion; and a power switching device, where the speed change unit is power-coupled to or power-decoupled from the speed change unit output portion through the power switching device. In this way, driving modes of the vehicle may be enriched, and the vehicle can adapt to different road conditions.

公开(公告)号：EP3533677A1

公开(公告)日：2019-09-04

申请号：EP17865799.5

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin ,  HUANG, Wei

IPC: B60W20/00

Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a speed change unit, where the speed change unit is selectively power-coupled to the power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: a conversion device input portion and a conversion device output portion, the conversion device input portion outputs power from at least one of the power source and the first motor generator unit, the conversion device output portion is connected to an input end of the system power output portion, and the conversion device input portion is selectively power-coupled to the conversion device output portion; and when the conversion device input portion is power-coupled to the conversion device output portion, the rotational speed of the conversion device input portion is greater than or equal to the rotational speed of the conversion device output portion. In this way, driving modes of the vehicle may be enriched, the vehicle can adapt to different road conditions, and driving experience of a driver may be improved.

公开(公告)号：EP3521086A1

公开(公告)日：2019-08-07

申请号：EP17854576.0

申请日：2017-08-04

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  WU, Fei ,  XU, Youbin

IPC: B60K6/54 ,  B60K6/44 ,  B60K6/36

Abstract: The present disclosure discloses a power-driven system for a vehicle and a vehicle. The power-driven system comprises: an engine; a plurality of input shafts; a plurality of output shafts; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a motor power shaft, a motor power shaft first gear linking with a gear-position driving gear in the same direction being freely sleeved on the motor power shaft, and the plurality of output shafts and the motor power shaft linking with a differential of the vehicle; a first motor generator, configured to link with the motor power shaft; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.

公开(公告)号：EP3521083A1

公开(公告)日：2019-08-07

申请号：EP17854577.8

申请日：2017-08-04

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  WU, Fei ,  XU, Youbin

IPC: B60K6/36 ,  B60K17/28

Abstract: The present disclosure provides a power-driven system for a vehicle and a vehicle. The power-driven system comprises: an engine; a plurality of input shafts, the engine being configured to selectively engage with at least one of the plurality of input shafts; a plurality of output shafts; a first motor power shaft, a motor power shaft first gear being arranged on the first motor power shaft, the motor power shaft first gear and the plurality of output shafts linking with a differential of the vehicle respectively; a second motor power shaft, a motor power shaft second gear linking with one gear-position driven gear being arranged on the second motor power shaft; a transfer gear, configured to selectively engage with the motor power shaft first gear to link with the motor power shaft first gear, and selectively engage with the motor power shaft second gear to link with the motor power shaft second gear; and a first motor generator, configured to link with the transfer gear.

公开(公告)号：EP3476635A1

公开(公告)日：2019-05-01

申请号：EP17818958.5

申请日：2017-05-11

Applicant: BYD Company Limited

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

IPC: B60K6/36 ,  B60K17/08 ,  B60K17/16

Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a transmission having a transmission power output portion; a first electric generator, the engine and the first electric generator being connected through the transmission by means of power coupling; and a differential having a differential power input portion and two differential power output portions, the differential power input portion being linked with the transmission power output portion, each of the differential power output portions being connected with a wheel on the same side, and a power engagement device being provided between one of the differential power output portions and the wheel on the same side.

公开(公告)号：EP3533646A1

公开(公告)日：2019-09-04

申请号：EP17864926.5

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin ,  HUANG, Wei

IPC: B60K6/36 ,  B60W20/00 ,  B60K6/48

Abstract: The present invention discloses a power transmission system for a vehicle and a vehicle having same. The power transmission system for a vehicle includes: a power source; a first motor generator unit; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source, the speed change unit includes a speed change unit output portion, and the speed change unit output portion is suitable for outputting power from at least one of the power source and the first motor generator unit; a system power output portion; and a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion. In the power transmission system of the present invention, a quantity of work modes of the power transmission system may be increased, and a quantity of gears of the power transmission system is increased, thereby improving the power performance and the passing-through capability.

公开(公告)号：EP3521085A1

公开(公告)日：2019-08-07

申请号：EP17854571.1

申请日：2017-08-03

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  WU, Fei ,  XU, Youbin

IPC: B60K6/54 ,  B60K6/44 ,  B60K6/36

Abstract: The present disclosure provides a power-driven system for a vehicle and a vehicle. The power-driven system comprises: an engine; a plurality of input shafts; a plurality of output shafts, the plurality of output shafts linking with a differential of the vehicle; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a first motor generator, configured to link with the differential of the vehicle; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.

公开(公告)号：EP3476636A1

公开(公告)日：2019-05-01

申请号：EP17818961.9

申请日：2017-05-11

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LIU, Jianjian ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin

IPC: B60K6/36 ,  B60K17/08

Abstract: The present disclosure discloses a power drive system and a vehicle. The power drive system includes: an engine; multiple input shafts, the engine being arranged to selectively engage with at least one of the multiple input shafts and a gear driving gear being arranged on each input shaft; multiple output shafts, a gear driven gear being arranged on each output shaft and; a reverse gear shaft, a first reverse gear shaft gear and a second reverse gear shaft gear being idly mounted on the reverse gear shaft, the first reverse gear shaft gear being meshed with one gear driving gear and each of the first reverse gear shaft gear and the second reverse gear shaft gear being arranged to engage with the reverse gear shaft; a reverse gear output gear, the reverse gear output gear being fixedly arranged on the output shaft and the reverse gear output gear being meshed with the second reverse gear shaft gear; and a first motor generator, the first motor generator being arranged to be linked with the reverse gear shaft.