公开(公告)号：US10800248B2

公开(公告)日：2020-10-13

申请号：US15648784

申请日：2017-07-13

Applicant: BYD COMPANY LIMITED

Inventor： Ou Ruan ,  Zhen Zhai ,  Fei Wu ,  Youbin Xu

IPC: B60K1/02 ,  B60K6/48 ,  F16H3/00 ,  F16H3/093 ,  B60K6/547 ,  B60K6/36 ,  B60K6/52 ,  B60K6/387 ,  F16H3/08

Abstract: A transmission unit includes: input shafts; output shafts; an output unit fitted over one of the output shafts; output gears fixed on other output shafts; a generator gear fixed on one of the output shafts; an output unit synchronizer disposed on one of the output shafts and at least configured to engage with the output unit; a motor power shaft gear fixed on a motor power shaft and configured to rotate together with the generator gear. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

公开(公告)号：US10781890B2

公开(公告)日：2020-09-22

申请号：US16014099

申请日：2018-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Yubo Lian ,  Heping Ling ,  Zhen Zhai ,  Youbin Xu ,  Feng Zheng

IPC: B60K6/52 ,  F16H3/72 ,  B60K6/365 ,  B60K6/387 ,  B60K6/442 ,  B60K7/00 ,  B60K17/02 ,  B60K17/08 ,  B60K1/02 ,  B60K6/445 ,  F16H48/36 ,  B60K6/38

Abstract: The present disclosure 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; a power source; a first motor generator and a second motor generator; and a first braking device directly or indirectly braking the power transmission part. The power transmission part is coaxially linked to the first sun gear and the second sun gear. The power source is configured to selectively connect to the power transmission part. The first motor generator is linked to the first ring gear, and the second motor generator is linked to the second ring gear.

公开(公告)号：US10850599B2

公开(公告)日：2020-12-01

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 ,  B60K6/24 ,  B60K6/36 ,  B60K6/42 ,  B60K17/02 ,  B60K17/08 ,  B60K17/16 ,  B60K17/28 ,  B60K6/547 ,  F16H3/00 ,  F16H3/093 ,  B60K6/442 ,  F16H3/08

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：US10393249B2

公开(公告)日：2019-08-27

申请号：US15925926

申请日：2018-03-20

Applicant: BYD COMPANY LIMITED

Inventor： Heping Ling ,  Zhen Zhai ,  Feng Zheng ,  Youbin Xu

IPC: F16H48/11 ,  F16H48/10

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：US11273699B2

公开(公告)日：2022-03-15

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 ,  B60K6/36 ,  B60K6/38 ,  B60K6/547 ,  B60L1/00 ,  F16H3/00 ,  F16H3/08 ,  F16H3/093

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：US11015690B2

公开(公告)日：2021-05-25

申请号：US16474254

申请日：2017-12-15

Applicant: BYD COMPANY LIMITED

Inventor： Heping Ling ,  Zhen Zhai ,  Youbin Xu ,  Changan Huang

IPC: F16H48/32 ,  F16H48/08 ,  F16H48/22 ,  F16H48/38

Abstract: The present specification discloses a differential mechanism and a vehicle. The differential mechanism includes a shell. A left half axle gear, a right half axle gear, a planet wheel and a planet wheel axle are disposed in the shell. The planet wheel is rotatably mounted on the planet wheel axle and meshes with the left half axle gear and the right half axle gear. A power engagement device includes a first engagement portion and a second engagement portion. The first engagement portion is connected with the left half axle gear or the right half axle gear, and the second engagement portion rotates synchronously with and moves axially relative to the shell. An engagement portion drive device includes a drive pin and a drive portion. The drive portion is configured to drive the drive pin to drive the second engagement portion close to the first engagement portion along an axial direction.

公开(公告)号：US10760662B2

公开(公告)日：2020-09-01

申请号：US15928904

申请日：2018-03-22

Applicant: BYD COMPANY LIMITED

Inventor： Yubo Lian ,  Heping Ling ,  Zhen Zhai ,  Feng Zheng ,  Youbin Xu

IPC: B60K6/365 ,  F16H48/10 ,  F16H48/11 ,  F16H48/06 ,  B60K1/02 ,  B60K6/48 ,  B60K6/52 ,  B60K17/354 ,  F16H37/08 ,  F16H3/00

Abstract: A power-driven system includes: a differential; a power output shaft configured to link to a power input end of the differential; multiple input shafts; and a first motor generator. The differential includes a first planet carrier, a second planet carrier, a first planet gear, a second planet gear, a first ring gear, and a second ring gear. The first planet gear and the second planet gear are respectively disposed on the first planet carrier and the second planet carrier and respectively meshed with the first ring gear and the second ring gear. One input shaft of the multiple input shafts is configured to selectively link to the power output shaft, and another input shaft of the multiple input shafts is configured to link to the power output shaft. The first motor generator is configured to link to the one input shaft of the multiple input shafts.

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：US10974591B2

公开(公告)日：2021-04-13

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 ,  B60K6/26 ,  B60K6/36 ,  B60K6/42 ,  B60K17/08 ,  B60K17/16 ,  B60W20/00 ,  B60W20/15

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：US10974583B2

公开(公告)日：2021-04-13

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 ,  B60K6/24 ,  B60K6/42 ,  B60K6/26

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.