公开(公告)号：US20240367553A1

公开(公告)日：2024-11-07

申请号：US18777800

申请日：2024-07-19

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Lei YAN ,  Zhen ZHAI ,  Wen GAO ,  Ke ZHU

IPC: B60L58/27 ,  B60L50/60 ,  B60L53/24 ,  H01M10/615 ,  H01M10/625 ,  H01M10/637

Abstract: A battery self-heating apparatus and method, and a vehicle include a first energy processing apparatus, a second energy processing apparatus, and a controller connected to each other. The controller is configured to control connect/disconnect of a first inverter and a second inverter in a first preset state, to enable a first power battery and a second power battery to be charged/discharged through the first energy processing apparatus and the second energy processing apparatus, to implement heating of the first power battery and the second power battery.

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：US20230241954A1

公开(公告)日：2023-08-03

申请号：US18128666

申请日：2023-03-30

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Zhen ZHAI ,  Lei HU ,  Yuchao XIONG

IPC: B60K1/00 ,  B60K17/04 ,  B60L15/20 ,  B60L50/60 ,  H02K3/50 ,  H02K5/20 ,  H02K7/116 ,  H02K9/19 ,  H02K11/00 ,  H02K11/33 ,  H02J7/00

CPC classification number: B60K1/00 ,  B60K17/04 ,  B60L15/20 ,  B60L50/60 ,  H02K3/50 ,  H02K5/203 ,  H02K7/116 ,  H02K9/19 ,  H02K11/0094 ,  H02K11/33 ,  H02J7/0042 ,  H02K2203/09 ,  H02K2211/03

Abstract: A drive system includes a motor, a speed reducer, a controller, and a housing. The housing includes: a first accommodation space for accommodating the controller; a second accommodation space configured for accommodating the motor; and a third accommodation space configured for accommodating the speed reducer. The controller is connected with the motor, and an output shaft of the motor is connected with the speed reducer. In a length direction of the output shaft, an absolute value of a difference between a mounting width and a width of the first accommodation space is no greater than a first difference threshold. In a direction perpendicular to the length direction of the output shaft and parallel to a horizontal plane, an absolute value of a difference between a length of the first accommodation space and a length of the third accommodation space is no greater than a second difference threshold.

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.

公开(公告)号：US20190291567A1

公开(公告)日：2019-09-26

申请号：US16346514

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/48 ,  B60K6/36 ,  F16H3/00 ,  F16H3/085

Abstract: A power transmission system includes: a power source; a first motor generator unit; a system power output portion; a first and a second mode conversion devices. 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. 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.

公开(公告)号：US20190225074A1

公开(公告)日：2019-07-25

申请号：US16314027

申请日：2017-05-11

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/547 ,  F16H3/091 ,  F16H3/00 ,  B60K6/36

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.

公开(公告)号：US20240227610A1

公开(公告)日：2024-07-11

申请号：US18612004

申请日：2024-03-21

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Zhen ZHAI ,  Junhua LIU ,  Wei LIANG ,  Yulin SUN

IPC: B60L53/62 ,  B60L53/68

CPC classification number: B60L53/62 ,  B60L53/68

Abstract: A method of over-heating protection for a charging apparatus, includes: measuring a charging parameter of the charging apparatus during a charging process, where the charging parameter includes a temperature and a time corresponding to the temperature; estimating a temperature change trend of the charging apparatus based on the charging parameter; and when determining, based on the temperature change trend, that a highest estimated temperature exceeds an upper limit of a preset temperature range, limiting a charging current for the charging apparatus before an estimated temperature exceeds the upper limit of the preset temperature range.

公开(公告)号：US20210354543A1

公开(公告)日：2021-11-18

申请号：US17287068

申请日：2019-10-25

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI

IPC: B60K6/36 ,  B60K6/48 ,  B60K6/547

Abstract: A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a motor power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The motor power distribution shaft is disposed independently from the transmission mechanism, and the motor power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the motor power distribution shaft.