公开(公告)号：US20200023733A1

公开(公告)日：2020-01-23

申请号：US16335843

申请日：2017-08-04

Applicant: BYD COMPANY LIMITED

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

IPC: B60K17/02 ,  B60K17/08

Abstract: The present disclosure discloses a power-drive system for a vehicle and a vehicle. The power-drive 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：US20200016970A1

公开(公告)日：2020-01-16

申请号：US16335756

申请日：2017-08-03

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/442 ,  B60K6/26 ,  B60K6/547 ,  B60K6/38 ,  B60K6/36 ,  F16H3/00 ,  F16H3/08 ,  F16H3/093 ,  B60L1/00

Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive 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：US20190322165A1

公开(公告)日：2019-10-24

申请号：US16314008

申请日：2017-05-11

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/36 ,  B60K17/16

Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator, the first electric generator and the plurality of output shafts linked with a differential power input gear of the vehicle respectively.

公开(公告)号：US20190308497A1

公开(公告)日：2019-10-10

申请号：US16346507

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/48 ,  B60K6/387 ,  B60K6/365 ,  B60K6/547

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.

公开(公告)号：US20190299767A1

公开(公告)日：2019-10-03

申请号：US16346524

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/44 ,  B60K6/547

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source; a first motor generator unit; a system power output portion; a first mode conversion device, where at least one of the speed change unit and the first motor generator unit is power-coupled to or power-decoupled from the system power output portion through the first mode conversion device; and a second mode conversion device, where the speed change unit can be power-coupled to or power-decoupled from the first mode conversion device through the second mode conversion device, and the speed change unit can be power-coupled to the first mode conversion device through the second mode conversion device, so that power from the power source is decelerated sequentially through the speed change unit and the second mode conversion device and then output to the first mode conversion device.

公开(公告)号：US20190255942A1

公开(公告)日：2019-08-22

申请号：US16346499

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K17/02 ,  B60K6/24 ,  B60K17/08 ,  B60K17/16 ,  B60K6/26 ,  B60K6/36 ,  B60K6/42

Abstract: 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.

公开(公告)号：US20190299992A1

公开(公告)日：2019-10-03

申请号：US16346523

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60W30/182 ,  F16H37/08 ,  F16H3/72

Abstract: A 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.

公开(公告)号：US20190291568A1

公开(公告)日：2019-09-26

申请号：US16346521

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/48 ,  F16H3/00 ,  F16H3/085 ,  F16H37/06 ,  B60K6/365

Abstract: A 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.

公开(公告)号：US20190168600A1

公开(公告)日：2019-06-06

申请号：US16313982

申请日：2017-05-11

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/36 ,  B60K6/40 ,  B60K6/387 ,  B60K6/547 ,  F16H48/22 ,  F16H48/24 ,  F16H3/00 ,  F16H3/093 ,  F16H37/08

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：US20190308495A1

公开(公告)日：2019-10-10

申请号：US16335918

申请日：2017-08-04

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/26 ,  B60K17/02 ,  B60K17/08 ,  B60K17/16 ,  B60K17/28 ,  B60K6/24 ,  B60K6/36 ,  B60K6/42

Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive 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.