公开(公告)号：US11752987B2

公开(公告)日：2023-09-12

申请号：US17639258

申请日：2020-08-27

Applicant: BYD COMPANY LIMITED

Inventor： Dong Ma ,  Lu Wang ,  Daolin Li

IPC: B60T8/17 ,  B60T8/52 ,  B60T8/58

CPC classification number: B60T8/1701 ,  B60T8/52 ,  B60T8/58

Abstract: A vehicle and a braking method and a device therefor are provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and an electric braking exit protection speed; and calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking, and controlling the vehicle to unload the electric braking torque when the current vehicle speed is less than a larger one of the electric braking exit speed and the electric braking exit protection speed.

公开(公告)号：US11750211B2

公开(公告)日：2023-09-05

申请号：US17611834

申请日：2020-06-19

Applicant: BYD COMPANY LIMITED

Inventor： Qiang Zuo

IPC: H03M7/14 ,  H04L1/00

CPC classification number: H03M7/14 ,  H04L1/0056

Abstract: An encoding method includes traversing a to-be-encoded string, searching for a preset string in the to-be-encoded string, and deleting the preset string in the to-be-encoded string if the preset string is found, to obtain a target string.

公开(公告)号：US20230268862A1

公开(公告)日：2023-08-24

申请号：US18008056

申请日：2021-06-04

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Changjiu LIU ,  Haijun LIU ,  Yunfeng WU

IPC: H02P27/08 ,  H02J7/34 ,  H02M1/32 ,  H02M7/5387 ,  H01M10/42 ,  H01M10/46

CPC classification number: H02P27/08 ,  H01M10/46 ,  H01M10/4264 ,  H02J7/345 ,  H02M1/32 ,  H02M7/5387 ,  B60R16/03 ,  H02J2207/20

Abstract: An energy conversion apparatus includes: a first switch module, a motor inverter having a first bus terminal connected with a first end of a battery and a second bus terminal connected with a second end of the battery through the first switch module, a motor winding having a first end connected with a midpoint end of the motor inverter, and a second switch module and a first capacitor connected in series. A first end of the serial-connected second switch module and the first capacitor is connected with a second end of the motor winding. A second end of the serial-connected second switch module and the first capacitor is connected with the second bus terminal.

公开(公告)号：US20230264553A1

公开(公告)日：2023-08-24

申请号：US18141044

申请日：2023-04-28

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Zhen ZHAI ,  Linna LIU ,  Yun LIANG ,  Yuchao XIONG

IPC: B60K1/00 ,  H02K9/193 ,  H02K5/20

CPC classification number: B60K1/00 ,  H02K9/193 ,  H02K5/203 ,  B60K2001/006

Abstract: A cooling structure for a drive system, includes a motor assembly. The motor assembly includes a rotary shaft and a cooling tube having an inner hole. The rotary shaft includes a mounting hole for receiving the cooling tube. An annular water channel is formed between an outer wall of the cooling tube and an inner wall of the mounting hole. The inner hole and the annular water channel form a rotor cooling water channel.

公开(公告)号：US11728505B2

公开(公告)日：2023-08-15

申请号：US16956997

申请日：2018-12-19

Applicant: BYD COMPANY LIMITED

Inventor： Luxia Jiang ,  Han Cheng ,  Jiangtao Zhou ,  Keli Yang

IPC: H01M50/147 ,  H01M50/342 ,  H01M50/578 ,  H01M50/176 ,  H01M50/536 ,  H01M10/04 ,  H01M50/574 ,  H01M50/15

CPC classification number: H01M10/0413 ,  H01M50/147 ,  H01M50/15 ,  H01M50/176 ,  H01M50/3425 ,  H01M50/574 ,  H01M50/578 ,  H01M50/536 ,  H01M2220/20

Abstract: A battery cover plate assembly, a cell, a battery module, a power battery, and an electric vehicle are provided. The battery cover plate assembly includes a cover plate, an inner lead-out member, and an outer electrode terminal. The inner lead-out member and the outer electrode terminal are electrically connected by using a current interrupt apparatus. A flipping member of the current interrupt apparatus is electrically connected to the outer electrode terminal. A score member is electrically connected to the inner lead-out member. A score is formed on the score member and is electrically connected to the flipping member. The inner lead-out member is mounted on the cover plate through a cover plate insulator. The cover plate insulator has a first engagement portion engaged with the cover plate and a second engagement portion engaged with the inner lead-out member.

公开(公告)号：US20230238591A1

公开(公告)日：2023-07-27

申请号：US17928560

申请日：2020-11-19

Applicant: BYD COMPANY LIMITED

Inventor： Junlong WANG ,  Liming LAO ,  Liang WANG ,  Penghui XUE ,  Mingwen CHEN

IPC: H01M10/44 ,  H01M10/615 ,  H01M10/625 ,  H01M10/633 ,  H02J7/00

CPC classification number: H01M10/44 ,  H01M10/615 ,  H01M10/625 ,  H01M10/633 ,  H02J7/007 ,  H02J7/0024 ,  H01M2220/20

Abstract: A battery energy processing device includes: first and second inductors, first and second phase bridge arms, an energy storage element, and a controller. First ends of the first and second inductors are connected with a positive electrode of a battery. A midpoint of the first phase bridge arm is connected with a second end of the first inductor; A midpoint of the second phase bridge arm is connected with a second end of the second inductor. A first end of the energy storage element is connected with a first confluent end; a second end of the energy storage element is connected with a second confluent end. The controller is configured to control the first and second phase bridge arms to charge and discharge the battery through the first and second inductors to heat the battery. The first and second inductors are in different operating states.

公开(公告)号：US20230231223A1

公开(公告)日：2023-07-20

申请号：US18009129

申请日：2021-03-30

Applicant: BYD COMPANY LIMITED

Inventor： Liangwen TAN ,  Jing TAN ,  Wenhui CHEN

IPC: H01M10/6552 ,  H01M50/264 ,  H01M10/6556 ,  H01M10/625

CPC classification number: H01M10/6552 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/264 ,  H01M2220/20

Abstract: A battery pack includes a tray and a vapor chamber. The tray includes two first edge beams, and the two first edge beams are respectively disposed on two opposite sides of a receiving space having a top opening. The vapor chamber is disposed at the top opening of the tray and comprises two opposite first edge portions, and the two first edge portions are respectively mounted on the two first edge beams. One of a first edge beam and a corresponding first edge portion mounted thereon comprises an inner surface that faces the receiving space and includes a clamping slot, and the other one of the first edge beam and the corresponding first edge portion is inserted into the clamping slot.

公开(公告)号：US20230230789A1

公开(公告)日：2023-07-20

申请号：US18009262

申请日：2021-04-28

Applicant: BYD COMPANY LIMITED

Inventor： Baotong YAO ,  Lujian WANG ,  Siyuan LIU

IPC: H01H50/54 ,  H01H50/02 ,  H01H9/30

CPC classification number: H01H50/546 ,  H01H50/02 ,  H01H9/30

Abstract: A relay includes a housing, a contact assembly and an auxiliary contact assembly. The contact assembly includes the movable contacts adapted to move towards or away from the stationary contacts under the driving of the movable contact bridge. The auxiliary contact assembly includes an auxiliary contact bridge and auxiliary contacts. At least portion of each of the auxiliary contacts extends into the housing. The auxiliary contact bridge moves synchronously with the movable contact bridge to be selectively and electrically connected to the auxiliary contacts. The housing includes a top surface spaced apart from the stepped portion in the movement direction of the movable contact bridge or the auxiliary contact bridge. The stationary contacts are arranged on the top surface of the housing. The portion of each of the auxiliary contacts arranged outside the housing is arranged on each of the stepped portions.

公开(公告)号：US20230220884A1

公开(公告)日：2023-07-13

申请号：US17780827

申请日：2020-10-27

Applicant: BYD COMPANY LIMITED

Inventor： Peng ZHANG

IPC: F16D1/02 ,  F16D23/14 ,  F16D11/14 ,  A63F13/245

CPC classification number: F16D1/02 ,  F16D23/14 ,  F16D11/14 ,  A63F13/245 ,  A63F13/803

Abstract: A vehicle steering system and a vehicle are provided. The vehicle steering system includes a steering shaft and a steering transmission shaft. The steering shaft or the steering transmission shaft includes a first shaft section and a second shaft section. A clutch mechanism is arranged between the first shaft section and the second shaft section. In an engaging state, a transmission connection is established between the first shaft section and the second shaft section and in this case, a controller determines that the vehicle enters a driving mode. In a disengaging state, the transmission connection between the first shaft section and the second shaft section is disconnected, and in this case, the control modulecontroller determines that the vehicle enters a game mode.

公开(公告)号：US20230203758A1

公开(公告)日：2023-06-29

申请号：US18116179

申请日：2023-03-01

Applicant: BYD COMPANY LIMITED

Inventor： Jun XIA ,  Hao ZENG ,  Jie LIU ,  Lin CHEN ,  Qian ZHOU

IPC: E01B25/00 ,  E01B2/00 ,  B61B5/02 ,  E01D2/02

CPC classification number: E01B25/00 ,  E01B2/003 ,  B61B5/02 ,  E01D2/02 ,  E01B2202/025 ,  E01B2202/027

Abstract: A track beam includes a main component and a guide component. The main component includes a top plate, a bottom plate, and a web plate. The bottom plate is disposed below the top plate, and the web plate is connected between the top plate and the bottom plate. The guide component includes a guide plate and a connecting structure. The guide plate is disposed between the top plate and the bottom plate. The guide plate includes a planar plate structure extending in a longitudinal direction and is spaced apart from the web plate in a transverse direction. The connecting structure is connected between the main component and the guide plate such that the guide plate is connected to the main component through the connecting structure.