公开(公告)号：US20250167361A1

公开(公告)日：2025-05-22

申请号：US19034421

申请日：2025-01-22

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Wenfeng JIANG ,  Zhipei LU ,  Weixin ZHENG ,  Jianglong TANG ,  Yan ZHU ,  Xinyue WANG ,  Kefeng HE

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  B60L58/26 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543

Abstract: A single cell includes a battery body. The battery body has a length L, a width H, a thickness D, and a volume V. The length L of the battery body is greater than the width H, and the width H of the battery body is greater than the thickness D. L is about 400 mm to about 1500 mm, and a ratio H/V of the width H over the width H is about 0.0001 mm−2 to about 0.00015 mm−2.

公开(公告)号：US12292476B2

公开(公告)日：2025-05-06

申请号：US17909273

申请日：2020-08-24

Applicant: BYD COMPANY LIMITED

Inventor： Yilong Yu ,  Luhui Xu ,  Zhiyong Du ,  Axi Qi ,  Guangming Yang

IPC: G01R31/34 ,  G01D5/20

Abstract: A device and a system for diagnosing a motor parameter are provided. The device includes a master chip, an excitation conditioning circuit, a motor resolver unit, and a sine and cosine conditioning circuit. The master chip includes a first analog-to-digital converter, a second analog-to-digital converter, a first processing unit, and a monitoring core.

公开(公告)号：US20250135846A1

公开(公告)日：2025-05-01

申请号：US19006594

申请日：2024-12-31

Applicant: BYD COMPANY LIMITED

Inventor： Huan LI ,  Li AI ,  Lijuan TIAN ,  Guofeng LUO

IPC: B60H1/32

Abstract: A case is applicable to a compressor. The compressor includes a compressor controller and a compressor body. The compressor controller is disposed on the compressor body, and the case at least partially covers the compressor controller.

公开(公告)号：US20250121711A1

公开(公告)日：2025-04-17

申请号：US18989511

申请日：2024-12-20

Applicant: BYD COMPANY LIMITED

Inventor： Canlin ZHANG ,  Fan QIU ,  Xiangang WANG ,  Hu MAN

IPC: B60L53/16 ,  B60L53/10 ,  E05F15/635 ,  E05F15/662

Abstract: A charging inlet assembly comprises a charging inlet base and a charging inlet internal sliding cover assembly; the charging inlet internal sliding cover assembly comprises a first plate and a second plate; the first plate is arranged on the charging inlet base; a movement space for the second plate to move is formed between the first plate and the charging inlet base; a through hole is provided on the first plate; a first charging inlet and a second charging inlet are provided within the through hole; the second plate can move between a first position and a second position; at the first position, the second plate covers the first charging inlet and exposes the second charging inlet; and at the second position, the second plate covers the second charging inlet and exposes the first charging inlet.

公开(公告)号：US12275302B2

公开(公告)日：2025-04-15

申请号：US18422457

申请日：2024-01-25

Applicant: BYD COMPANY LIMITED

Inventor： Guangquan Chen ,  Chunlei Liu ,  Bing Li ,  Xin Wen

IPC: B60K17/04 ,  B60K1/00 ,  B60K17/22 ,  B60R16/02 ,  F16H57/00 ,  H02K7/00 ,  H02K7/116 ,  H02K11/33

Abstract: A powertrain includes an electric motor; a transmission mounted to the electric motor; and a controller mounted to at least one of the electric motor and the transmission and electrically connected to the electric motor. The controller, the transmission, and the electric motor are integrated together. The controller includes a controller body, a controller support, and a wire harness rack. The controller body is disposed on the controller support, and the controller support is mounted to at least one of the electric motor and the transmission. The wire harness rack is connected to the controller support and the electric motor and having a wire arrangement groove. A connecting wire harness between the controller and the electric motor is disposed in the wire arrangement groove.

公开(公告)号：US20250108844A1

公开(公告)日：2025-04-03

申请号：US18980912

申请日：2024-12-13

Applicant: BYD COMPANY LIMITED

Inventor： Xi ZHANG ,  Yedi XIAO ,  Chujun CHEN ,  Weihua LIU

IPC: B61L27/20 ,  B61L25/02

Abstract: A train control method, based on a combined coordinate system, includes: obtaining a target combined coordinate system corresponding to a planned train path, the target combined coordinate system comprising a plurality of basic coordinate systems with boundary logic sections, and each of the basic coordinate systems forming a physical link relationship with another basic coordinate system of the basic coordinate systems through the boundary logic sections; obtaining position information of a train located in the planned train path sent by the train, and determining preceding train information of a preceding train preceding to the train based on the position information and the physical link relationships between the basic coordinate systems; and performing a train control strategy on the train based on the preceding train information.

公开(公告)号：US12263818B2

公开(公告)日：2025-04-01

申请号：US17769012

申请日：2020-10-14

Applicant: BYD COMPANY LIMITED

Inventor： Yugang Yao ,  Guoshan Liu ,  Donglin Su ,  Jing Liu ,  Nan Zhang

IPC: B60T13/20 ,  B60T13/74 ,  F04B49/00 ,  F04B49/14

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

公开(公告)号：US20250083741A1

公开(公告)日：2025-03-13

申请号：US18758591

申请日：2024-06-28

Applicant: BYD COMPANY LIMITED

Inventor： Dongsheng YANG ,  Guoxiang LU ,  Xuli ZHUANG ,  Lizhong TANG ,  Boliang XU ,  Zhaoyu LEI

IPC: B62D6/10

Abstract: A system for controlling a vehicle, includes: a central controller and multiple vehicle components. The vehicle components correspond to multiple functional domains, and at least one vehicle component in each of the functional domains is connected to the central controller. The central controller is configured to send first control information to the at least one vehicle component. The functional domains includes a power domain. A vehicle component in the power domain includes a motor controller and multiple drive motors corresponding to wheels and respectively driving the wheels. The first control information includes torque allocation information of each of the drive motors. The central controller is configured to send the torque allocation information to the motor controller according to a vehicle driving scenario.

公开(公告)号：US20250080031A1

公开(公告)日：2025-03-06

申请号：US18950512

申请日：2024-11-18

Applicant: BYD COMPANY LIMITED

Inventor： Yilong YU ,  Luhui XU ,  Zhiyong DU ,  Axi QI ,  Guangming YANG

IPC: H02P29/028 ,  B60L3/00

Abstract: The present disclosure provides an electric motor control system and a vehicle. The electric motor control system includes a motor drive module, a multi-core processing module, and a safety logic module. The multi-core processing module includes a main function core and a lockstep monitoring core. The main function core is configured to obtain sampling data, and when any one of the sampling data, a running status of the main function core, a motor control signal, and a running status of a motor is abnormal, the lockstep monitoring core outputs a safety trigger signal; and the safety logic module is configured to output an instruction for prohibiting execution of the motor control signal to the motor drive module when receiving the safety trigger signal.

公开(公告)号：US20250079596A1

公开(公告)日：2025-03-06

申请号：US18952384

申请日：2024-11-19

Applicant: BYD COMPANY LIMITED

Inventor： Long Wan ,  Qingbo Peng ,  Zhijia Tan ,  Song Lei ,  Shenglin Yang

IPC: H01M50/231 ,  H01M50/224 ,  H01M50/229 ,  H01M50/242 ,  H01M50/249

Abstract: A battery protection bottom plate, a composite protection structure for a battery pack, and a vehicle are provided. The battery protection bottom plate includes an upper fiber-reinforced resin layer, a metal plate and a lower fiber-reinforced resin layer. The metal plate is located between the upper fiber-reinforced resin layer and the lower fiber-reinforced resin layer. The upper fiber-reinforced resin layer and the lower fiber-reinforced resin layer meet the following conditions: 0.4≤d2/d1≤2, and d1 is a thickness of the lower fiber-reinforced resin layer measured in mm, and d2 is a thickness of the upper fiber-reinforced resin layer measured in mm.