公开(公告)号：EP3815950A1

公开(公告)日：2021-05-05

申请号：EP19831281.1

申请日：2019-07-03

Applicant: BYD Company Limited

Inventor： WANG, Fengchun ,  HUA, Yu ,  WANG, Anxin ,  TANG, Tingyu ,  LIU, Jing

IPC: B60K17/08

Abstract: A vehicle transmission apparatus (10) and a vehicle are provided in this application. The vehicle transmission apparatus (10) includes a motor (1) and a speed reducer (2). The speed reducer (2) includes a speed reduction gear set (21). The speed reduction gear set (21) includes an input gear (211), an intermediate gear (212), and an output gear (213). The input gear (211) is connected to the motor (1). At least one intermediate gear (212) is provided, and is meshed between the input gear (211) and the output gear (213). Rotational centers of the input gear (211), the intermediate gear (212), and the output gear (213) are not on the same line.

公开(公告)号：EP4047207A1

公开(公告)日：2022-08-24

申请号：EP20876696.4

申请日：2020-10-14

Applicant: BYD Company Limited

Inventor： YAO, Yugang ,  LIU, Guoshan ,  SU, Donglin ,  LIU, Jing ,  ZHANG, Nan

IPC: F04B49/14 ,  F04B53/00 ,  F04B53/14 ,  F04B53/22 ,  B60T11/16

Abstract: A piston pump group for a brake system and a control method thereof are provided, and the piston pump group includes: a piston (2), a pump body (1) provided with an operating chamber, and a transmission mechanism (3) used for driving the piston (2) to move in the operating chamber, where the transmission mechanism includes a lead screw transmission assembly (32), a follower (33), and a planetary gear assembly (31) used for transmitting power to the lead screw transmission assembly, the follower (33) is fixedly connected to the piston (2), the lead screw transmission assembly (32) is used for driving the follower (33) to move relative to the operating chamber, and a limiting member (34) used for limiting the movement of the follower is disposed between the lead screw transmission assembly (32) and the follower (33).

公开(公告)号：EP3564546A1

公开(公告)日：2019-11-06

申请号：EP17889344.2

申请日：2017-12-21

Applicant: BYD Company Limited

Inventor： ZHU, Yanyan ,  HUA, Yu ,  LIU, Jing ,  CHAI, Lingdao ,  ZHANG, Jintao

IPC: F16D23/00 ,  B60K1/02 ,  F16H1/22

Abstract: The present invention discloses a locking device, a power assembly, a power transmission system and a vehicle. The locking device includes: a first flange and a second flange; and first and second flange locking structures, the first and second flange locking structures each being used for selectively locking the first flange and the second flange to be adapted to rotate the second flange synchronously with the first flange or adapted to rotate the first flange synchronously with the second flange; wherein the first and second flange locking structures each include: a synchronizing ring, the synchronizing ring being normally connected to the corresponding flange to be adapted to rotate synchronously with the corresponding flange, and the synchronizing ring being slidable relative to the corresponding flange; and a driving component, the driving component selectively pushing the synchronizing ring to slide from an unlocked position to a locked position in an axial direction of the corresponding flange, wherein when the synchronizing ring is in the locked position, the two synchronizing rings are connected to be adapted to rotate the other flange synchronously with the flange corresponding to the synchronizing ring. The locking device according to embodiments of the present invention can realize the two-way locking function, and is simple in structure.

公开(公告)号：EP3245091A1

公开(公告)日：2017-11-22

申请号：EP15877569.2

申请日：2015-06-30

Applicant: BYD Company Limited

Inventor： ZHANG, Jintao ,  HUA, Yu ,  CHAI, Lingdao ,  MU, Jinhui ,  LIU, Jing

IPC: B60K6/36

CPC classification number: B60K6/40 ,  B60K1/02 ,  B60K6/36 ,  B60K6/365 ,  B60K6/38 ,  B60K6/448 ,  B60K6/48 ,  B60K6/52 ,  B60K6/547 ,  B60K17/356 ,  B60K2006/4841 ,  B60Y2304/00 ,  B60Y2400/428 ,  B60Y2400/70 ,  B60Y2400/80 ,  F16H3/006 ,  F16H3/085 ,  F16H37/0806 ,  F16H2003/0822 ,  F16H2003/0931 ,  Y02T10/6221 ,  Y02T10/6243 ,  Y02T10/6265 ,  Y10S903/909 ,  Y10S903/911 ,  Y10S903/912 ,  Y10S903/915

Abstract: A transmission unit includes: input shafts; output shafts configured to transmit with a corresponding input shaft via gears; a reverse output gear fitted over one output shaft; a reverse synchronizer; a reverse shaft configured to rotate together with a input shaft and a reverse output gear; a motor power shaft; a first and a second motor gears fitted over the motor power shaft; the second motor gear configured to rotate together with a shift driven gear; and a motor synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

公开(公告)号：EP4253736A1

公开(公告)日：2023-10-04

申请号：EP22762486.3

申请日：2022-02-28

Applicant: Byd Company Limited

Inventor： LIU, Jing ,  ZHANG, Nan ,  PAN, Shiyi ,  MENG, Fanchao ,  LIU, Mingliang

IPC: F01P3/02 ,  F01P7/16 ,  F02N19/10 ,  F01N5/02

Abstract: The present disclosure provides a vehicle and an engine thereof. The engine includes an engine water jacket, a water pump and an attemperator assembly. The engine water jacket, the attemperator assembly and the water pump are connected to form a circulation passage. The attemperator assembly connects between the engine water jacket and the water pump. The engine water jacket includes a cylinder head water jacket and a cylinder block water jacket. The attemperator assembly is configured to enable the coolant to enter the cylinder head water jacket of the engine water jacket without entering the cylinder block water jacket of the engine water jacket during cold start. The present disclosure solves the technical problems of long heat-up time of the engine water jacket and slow warm-up of the machine.

公开(公告)号：EP4049907A1

公开(公告)日：2022-08-31

申请号：EP20881903.7

申请日：2020-10-21

Applicant: BYD Company Limited

Inventor： YAO, Yugang ,  HE, Zhongchang ,  CHEN, Hailong ,  LIU, Jing ,  ZHANG, Nan

IPC: B60T13/12

Abstract: A manifold block for a vehicle braking system and a vehicle are provided. The manifold block of the vehicle braking system comprises a hydraulic unit body (1), a solenoid valve mounting hole (2) for mounting a solenoid valve, a sensor mounting hole (3) for mounting a liquid pressure sensor and a simulator accommodation part (4) for installing the pedal simulator. The hydraulic unit body (1) is provided with a solenoid valve mounting face (5). The solenoid valve mounting hole (2), the sensor mounting hole (3) and the simulator accommodation part (4) are all arranged on the solenoid valve mounting face (5).

公开(公告)号：EP3564057A1

公开(公告)日：2019-11-06

申请号：EP17888352.6

申请日：2017-12-21

Applicant: BYD Company Limited

Inventor： ZHU, Yanyan ,  HUA, Yu ,  LIU, Jing ,  CHAI, Lingdao ,  ZHANG, Jintao

IPC: B60K17/344

Abstract: The present invention discloses a locking device, a power assembly, a power transmission system and a vehicle. The locking device includes: a first flange, the first flange being adapted to be fixed on the first shaft; a second flange, the second flange being adapted to be fixed on the second shaft; a synchronizing ring, the synchronizing ring being normally connected to the first flange to be adapted to rotate synchronously with the first flange, and the synchronizing ring being slidable relative to the first flange; and a driving component, the driving component selectively pushing the synchronizing ring to slide from an unlocked position to a locked position in an axial direction of the first flange. When the synchronizing ring is in the locked position, the synchronizing ring is connected to the second flange be adapted to rotate the second flange synchronously with the first flange. When the synchronizing ring is in the unlocked position, the synchronizing ring is separated from the second flange. The locking device according to embodiments of the present invention can realize the single-way locking function, and is simple in structure.

公开(公告)号：EP3480044A1

公开(公告)日：2019-05-08

申请号：EP17818953.6

申请日：2017-05-11

Applicant: BYD Company Limited

Inventor： LIU, Jing ,  HUA, Yu ,  CHAI, Lingdao

IPC: B60K6/36

Abstract: The present disclosure provides a power drive system and a vehicle. The power drive system includes an engine; a plurality of input shafts, the engine being arranged to selectively engage with at least one of the plurality of input shafts, and a plurality of gear driving gears being arranged on each of the input shafts; a plurality of output shafts, a plurality of gear driven gears being arranged on each of the output shafts, the plurality of gear driven gears being correspondingly meshed with the plurality of gear driving gears, a reverse gear output gear being idly mounted on one of the plurality of output shafts and a reverse gear synchronizer for engaging with the reverse gear output gear being further arranged on the output shaft, a gear portion being arranged at one side of one of the plurality of gear driven gears to form a dual gear, and the reverse gear output gear being meshed with the gear portion; a motor power shaft, a motor-power-shaft first gear and a motor-power-shaft second gear being idly mounted on the motor power shaft, where the motor-power-shaft second gear is arranged to be linked with one of the plurality of gear driving gears; and a first motor generator, the first motor generator being arranged to be linked with the motor power shaft.

公开(公告)号：EP3473463A1

公开(公告)日：2019-04-24

申请号：EP17818956.9

申请日：2017-05-11

Applicant: BYD Company Limited

Inventor： LIU, Jing ,  HUA, Yu ,  CHAI, Lingdao

IPC: B60K6/36 ,  B60K17/08

Abstract: The present disclosure discloses a power drive system and a vehicle. The power drive system has seven forward gears, and includes: an engine configured to selectively engage at least one of a plurality of input shafts; a plurality of output shafts, the input shafts and the output shafts being driven by gear pairs, and a reverse output gear and a reverse-gear synchronizer being arranged on one of the output shafts; a reverse shaft, the reverse shaft linking with one of the input shafts and the reverse output gear; a motor power shaft, a motor-power-shaft first gear, a motor-power-shaft second gear and a motor power shaft synchronizer located therebetween being idly mounted on the motor power shaft, and the motor-power-shaft second gear linking with one of gear driven gears; and a first motor generator, the first motor generator linking with the motor power shaft.

公开(公告)号：EP3245087A1

公开(公告)日：2017-11-22

申请号：EP15877565.0

申请日：2015-06-30

Applicant: BYD Company Limited

Inventor： LIU, Jing ,  HUA, Yu

IPC: B60K6/36

CPC classification number: B60K6/48 ,  B60K1/02 ,  B60K6/26 ,  B60K6/36 ,  B60K6/365 ,  B60K6/387 ,  B60K6/40 ,  B60K6/52 ,  B60K6/547 ,  B60K7/0007 ,  B60K2006/4808 ,  B60K2006/4816 ,  B60K2007/0038 ,  B60K2007/0046 ,  B60K2007/0061 ,  B60K2007/0092 ,  B60Y2200/92 ,  F16H3/006 ,  F16H3/085 ,  F16H3/091 ,  F16H37/0806 ,  F16H48/36 ,  F16H2003/0822 ,  F16H2003/0931 ,  F16H2048/364 ,  Y02T10/6221 ,  Y02T10/6256 ,  Y02T10/6265 ,  Y10S903/906 ,  Y10S903/91 ,  Y10S903/916 ,  Y10S903/919 ,  Y10S903/951

Abstract: A transmission unit includes: input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a generator gear disposed on one of the output shafts; a motor power shaft; a first motor power shaft gear disposed on the motor power shaft and configured to rotate together with the generator gear; a second motor power shaft gear disposed on the motor power shaft and configured to rotate together with a shift driven gear; a reverse idler gear; and a reverse output gear configured to rotate together with a shift driving gear via the reverse idler gear. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.