公开(公告)号：US11801764B2

公开(公告)日：2023-10-31

申请号：US17635620

申请日：2020-08-13

Applicant: BYD COMPANY LIMITED

Inventor： Yubo Lian ,  Heping Ling ,  Jicheng Li ,  Hua Pan ,  Feiyue Xie

IPC: H02M7/68 ,  B60L53/24 ,  B60L53/22 ,  B60L58/15 ,  B60L58/14 ,  H02J7/00 ,  H02M7/797

CPC classification number: B60L53/24 ,  B60L53/22 ,  B60L58/14 ,  B60L58/15 ,  H02J7/0068 ,  H02M7/797

Abstract: The present invention relates to the technical field of vehicles, and provides an energy conversion device and a vehicle. The energy conversion device includes a reversible pulse-width modulation (PWM) rectifier, a motor coil connected with the reversible PWM rectifier, a one-way conduction module, and a capacitor. A DC charging circuit or a DC discharging circuit is formed by an external DC port with an external battery by using the energy conversion device, and a driving circuit is formed by the external battery with the reversible PWM rectifier and the motor coil in the energy conversion device. The one-way conduction module is connected between a first end of the capacitor and a second end of the external DC port, or the one-way conduction module is connected between a second end of the capacitor and a first end of the external DC port.

公开(公告)号：US11299041B2

公开(公告)日：2022-04-12

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 ,  B60K17/16 ,  B60K17/22 ,  B60K17/28

Abstract: 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：US11124238B2

公开(公告)日：2021-09-21

申请号：US16627640

申请日：2018-06-28

Applicant: BYD COMPANY LIMITED

Inventor： Yubo Lian ,  Ming Ji ,  Xinchun Liu ,  Rongrong Zhang ,  Maoyan Liang

IPC: B60J7/00 ,  B62D21/15 ,  B62D25/20 ,  B60K1/04 ,  B62D25/14

Abstract: A vehicle body structure and a vehicle are provided. The vehicle body structure includes a front longitudinal beam, a front compartment crossbeam, and a dash panel. The front longitudinal beam includes a left front longitudinal beam and a right front longitudinal beam that are disposed at an interval in a transverse direction. The front compartment crossbeam is mounted on the left front longitudinal beam and the right front longitudinal beam, and is located in front of the dash panel. A projection area of the front compartment crossbeam on the dash panel in an X direction at least partially covers a projection of a preset area surrounding a pedal center point on the dash panel in the X direction.

公开(公告)号：USD923518S1

公开(公告)日：2021-06-29

申请号：US29703616

申请日：2019-08-28

Applicant: BYD COMPANY LIMITED

Designer： Yubo Lian ,  Wolfgang Josef Egger ,  Wenquan Tang ,  Yuncheng Zhang ,  Ziyan Xu ,  Shuaizhi Chen

公开(公告)号：US10967729B2

公开(公告)日：2021-04-06

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: B60K6/365 ,  B60K6/48 ,  F16H3/00 ,  F16H3/085 ,  F16H37/06 ,  B60K6/24 ,  F16H37/04 ,  B60K6/36 ,  B60K6/547 ,  F16H48/06 ,  B60W20/00 ,  B60K6/387 ,  B60K6/42 ,  B60K6/26

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：US10967727B2

公开(公告)日：2021-04-06

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: B60K6/547 ,  B60K6/44

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：US10899219B2

公开(公告)日：2021-01-26

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 ,  B60L53/14 ,  B60K6/547 ,  B60K6/48

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：US10232839B2

公开(公告)日：2019-03-19

申请号：US15216437

申请日：2016-07-21

Applicant: BYD COMPANY LIMITED

Inventor： Dongsheng Yang ,  Yubo Lian ,  Jintao Zhang ,  Hongbin Luo

IPC: B60K1/02 ,  B60K6/22 ,  B60K6/48 ,  B60K6/52 ,  B60L3/10 ,  B60L3/12 ,  B60L7/14 ,  B60L7/26 ,  B60K6/387 ,  B60K6/442 ,  B60L11/12 ,  B60L11/14 ,  B60L11/18 ,  B60L15/20 ,  B60W10/08 ,  B60W10/18 ,  B60W20/00 ,  B60W20/10 ,  B60W20/15 ,  B60W30/18

Abstract: The present disclosure discloses a vehicle and a braking feedback control method for the same. The braking feedback control method includes the following steps: detecting a current speed of a vehicle and a depth of a braking pedal of the vehicle; when the current speed of the vehicle is greater than a preset speed, the depth of the braking pedal is greater than 0, and an anti-lock braking system of the vehicle is in a non-working state, controlling the vehicle to enter a braking feedback control mode, where when the vehicle is in the braking feedback control mode, a required braking torque corresponding to the vehicle is obtained according to the depth of the braking pedal, and a braking torque of a first motor generator, a braking torque of a second motor generator, and a braking torque of basic braking performed on the vehicle are distributed according to the required braking torque.

公开(公告)号：US10214092B2

公开(公告)日：2019-02-26

申请号：US15215291

申请日：2016-07-20

Applicant: BYD COMPANY LIMITED

Inventor： Dongsheng Yang ,  Yubo Lian ,  Jintao Zhang ,  Hongbin Luo

IPC: B60K6/36 ,  B60K6/445 ,  B60K6/44 ,  B60K6/50 ,  B60K6/52 ,  B60K6/365 ,  B60K6/387 ,  F16H3/00 ,  F16H37/08 ,  B60K6/442

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes: an engine unit configured to generate a power; an input shaft; an output shaft configured to transfer at least partial of the power from the input shaft; an output unit configured to rotate differentially relative to the output shaft; a synchronizer disposed on the output shaft and configured to selectively engage with the output unit such that the output unit rotates synchronously with the output shaft, and the output unit is configured to output power to drive one or more front and/or rear wheels of the vehicle; a first motor generator configured to directly or indirectly couple with one of the input shaft and the output shaft for power transmission; and a second motor generator configured to drive one or more front or rear wheels of the vehicle.

公开(公告)号：US09944165B2

公开(公告)日：2018-04-17

申请号：US14527522

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

Inventor： Dongsheng Yang ,  Yubo Lian ,  Jintao Zhang ,  Hongbin Luo

IPC: B60K6/547 ,  B60K6/442 ,  F16H3/00 ,  B60K7/00 ,  B60K17/356 ,  B60K6/387 ,  B60K6/52

CPC classification number: B60K6/547 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  F16H3/006 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y10S903/919

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit to generate power, input shafts to receive power from the engine unit, an output shaft to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft to mesh with driving gears on the input shafts, an output unit coupled on the output shaft to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft to selectively engage with the linked gears, a first motor generator to perform power transmission with at least one of the input shafts and the output shaft, one or more second motor generators to drive two front wheels of the vehicle, and one or more third motor generators to drive two rear wheels of the vehicle.