Patents by Inventor Dongdong Wei
Dongdong Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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SILICON-BASED ANODE MATERIAL FOR SECONDARY BATTERY AND PREPARATION METHOD THEREOF, SECONDARY BATTERY
Publication number: 20240105924Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1<2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Applicant: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Yuhu Wu, Fei Ma, Dongdong Liu, Liangqin Wei, Zhihong Wu, Xiaoyang Ding, Fengfeng Li -
Publication number: 20240099196Abstract: The disclosure provides a mower. The mower includes a vehicle frame, a walking assembly, a working assembly, a seat and a battery pack. The walking assembly includes a first walking wheel assembly and a second walking wheel assembly connected with the vehicle frame. The first walking wheel assembly and/or the second walking wheel assembly includes a main walking wheel and a hub motor, the main walking wheel is connected with the hub motor, and the hub motor is arranged outside a side of the vehicle frame. The working assembly is connected with the vehicle frame. The seat is arranged on the vehicle frame. The battery pack is lowered and mounted on the vehicle frame and extends below the seat.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Applicant: Greenworks (Jiangsu) Co., Ltd.Inventors: Qunli WEI, Dongdong SHI, Chen ZHU, Min DING, Chaoqun WANG, Fei ZHU, Jun FAN, Liang PENG
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Patent number: 11940813Abstract: The mower fleet management device is configured to control a plurality of mowers to work in collaboration. Each of the mowers includes an on-board communication module and an on-board positioning and navigation module. The mower fleet management device includes: a map loading module configured to acquire a map of a working land parcel; a control terminal communication module configured to wirelessly communicate with the on-board communication modules to acquire status information of the mowers; and a working region assigning module configured to assign a working region to each of the mowers according to the status information and the map. The on-board positioning and navigation module of each of the mowers guides the mower to work in the corresponding working region according to the assigned working region.Type: GrantFiled: May 20, 2021Date of Patent: March 26, 2024Assignee: Globe (Jiangsu) Co., Ltd.Inventors: Jiafu Xue, Shiyuan Ding, Jing Wang, Qunli Wei, Hui Chen, Dongdong Shi
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Publication number: 20240081179Abstract: A cutting deck lifting device for adjusting the height of the cutting deck of a mower includes a cutting deck having at least one cutting blade mounted thereto, a pedal assembly including a pedal switched between locking and unlocking states for adjusting the height of the cutting deck, a connecting assembly connecting the pedal assembly to the cutting deck and an adjusting assembly connected to the pedal assembly for positioning the cutting deck to a position with a desired height when the pedal is switched between locking and unlocking states. The cutting deck lifting device can conveniently and quickly adjust the cutting deck between the first position and the second position. Simultaneously, the cutting deck lifting device has a simple structure, a low manufacturing cost, and easy installation, and can be applied to a variety of garden tools.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Qunli Wei, Xiaolei Qiu, Qin Ji, Dongdong Shi
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Patent number: 11906120Abstract: A hybrid function LED auxiliary lamp is provided. The auxiliary lamp comprises a housing and a lighting assembly disposed within the housing. The lighting assembly includes a plurality of LED light sources mounted on a printed circuit board. An optical manifold comprising a plurality of reflective cavities is mounted on the printed circuit board. Each reflective cavity defines a respective corresponding focal point. The LED light sources are aligned with respect to the optical manifold such that a center of each respective LED light source corresponds to a respective focal point of a reflective cavity.Type: GrantFiled: August 3, 2022Date of Patent: February 20, 2024Assignee: LUMILEDS LLCInventors: Junxin Wang, Jiangliang Wang, Dongdong Wei, Chen Cai
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Publication number: 20240003509Abstract: A hybrid function LED auxiliary lamp is provided. The auxiliary lamp comprises a housing and a lighting assembly disposed within the housing. The lighting assembly includes a plurality of LED light sources mounted on a printed circuit board. An optical manifold comprising a plurality of reflective cavities is mounted on the printed circuit board. Each reflective cavity defines a respective corresponding focal point. The LED light sources are aligned with respect to the optical manifold such that a center of each respective LED light source corresponds to a respective focal point of a reflective cavity.Type: ApplicationFiled: August 3, 2022Publication date: January 4, 2024Applicant: Lumileds LLCInventors: Junxin Wang, Jiangliang Wang, Dongdong Wei, Chen Cai
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Publication number: 20230389238Abstract: This application discloses a fan box, a server system, and a method for adjusting a rotation speed of a fan box, and belongs to the field of server heat dissipation technologies. The fan box provided in embodiments of this application has a plurality of communication interfaces, and each communication interface can be electrically connected to one server board. Therefore, the fan box provided in embodiments of this application can be electrically connected to a plurality of server boards. In addition, a controller in the fan box can adjust a rotation speed of a fan based on a plurality of fan box speed adjustment instructions. Therefore, the fan box provided in embodiments of this application can be controlled by a plurality of master control nodes, and is applicable to a multi-node server system with a central management unit-free architecture, and any server system that requires multi-node master control.Type: ApplicationFiled: June 9, 2023Publication date: November 30, 2023Inventors: Dongdong Wei, Yuanjun Niu, An Li
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Patent number: 11750442Abstract: A fault determining method, includes: a first terminal device monitors a parameter of a sidelink between the first terminal device and a second terminal device, to determine whether a unicast connection on the sidelink satisfies a first condition; and when the unicast connection satisfies the first condition, the first terminal device determines that the unicast connection is faulty.Type: GrantFiled: June 11, 2021Date of Patent: September 5, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Wenjie Peng, Mingzeng Dai, Jun Wang, Dongdong Wei
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Patent number: 11740196Abstract: A new multifunctional biomass suspension deflagration test-bed is provided, which includes a closed combustion chamber. An integrated temperature and pressure sensor is arranged in the combustion chamber, and a high-speed camera and a laser concentration-measuring instrument are arranged outside the combustion chamber, which can monitor suspension deflagration. A bottom of the combustion chamber is provided with a hollow mushroom-shaped dispersion nozzle with a tray. A nozzle body is provided with a gas main-flow channel at a center thereof and gas deflected-flow channels arranged around the gas main-flow channel. A mushroom-shaped baffle plate is arranged above the nozzle body. The gas main-flow channel extends upward to the mushroom-shaped baffle plate. A vent hole is formed in a portion of the mushroom-shaped baffle plate which is corresponding to the gas main-flow channel. Each gas deflected-flow channel is inclined outward from bottom to top and directed to the mushroom-shaped baffle plate.Type: GrantFiled: July 29, 2021Date of Patent: August 29, 2023Assignee: Henan Agricultural UniversityInventors: Shengyong Liu, Jiong Wang, Jie Lu, Xinping Liu, Libin Jie, Dongdong Wei, Hongge Tao, Chunyao Qing, Li Huang, Aili He, Zhenzhong Wang, Changzhong Ren, Haigang Wang, Baoguo Guo, Lei Peng, Miaosen Wang
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Patent number: 11616242Abstract: A method for controlling a fuel cell that includes an electrochemical reactor; a cooling circuit; a controller; a coolant circuit; a first temperature sensor; and a second temperature sensor. The cooling circuit includes a cooling pipe and is configured to cool the electrochemical reactor; the controller is configured to control operations of the electrochemical reactor and the cooling circuit; the cooling pipe includes a first water inlet and a first water outlet; and the coolant circuit is connected to the first water inlet and the first water outlet. The method includes comparing the first temperature of the coolant at the first water inlet to the second temperature at the first water outlet; and controlling operations of the heater and the electrochemical reactor based on the comparison result.Type: GrantFiled: October 21, 2022Date of Patent: March 28, 2023Assignees: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD., BROAD-OCEAN MOTOR EV CO., LTD.Inventors: Jia Deng, Dongdong Wei, Tairong Zhu, Yongfu Zhao
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Publication number: 20230084686Abstract: A communication method and apparatus. A first network element sends, to a second network element, N groups of QoS profiles corresponding to a first QoS flow, and then receives first indication information from the second network element, where the first indication information indicates one of the N groups of QoS profiles selected by the second network element for the first QoS flow. The first network element sends second indication information to a third network element, where the second indication information indicates the one of the N groups of QoS profiles selected for the first QoS flow.Type: ApplicationFiled: November 18, 2022Publication date: March 16, 2023Inventors: Wenjie PENG, Liwei QIU, Dongdong WEI
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Publication number: 20230043468Abstract: A method for controlling a fuel cell that includes an electrochemical reactor; a cooling circuit; a controller; a coolant circuit; a first temperature sensor; and a second temperature sensor. The cooling circuit includes a cooling pipe and is configured to cool the electrochemical reactor; the controller is configured to control operations of the electrochemical reactor and the cooling circuit; the cooling pipe includes a first water inlet and a first water outlet; and the coolant circuit is connected to the first water inlet and the first water outlet. The method includes comparing the first temperature of the coolant at the first water inlet to the second temperature at the first water outlet; and controlling operations of the heater and the electrochemical reactor based on the comparison result.Type: ApplicationFiled: October 21, 2022Publication date: February 9, 2023Inventors: Jia DENG, Dongdong WEI, Tairong ZHU, Yongfu ZHAO
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Publication number: 20230023034Abstract: In an embodiment a sidelink communication method includes when a hybrid automatic repeat request (HARQ) feedback attribute of at least one sidelink logical channel of a first terminal device is enabled, obtaining, by the first terminal device from a network side device, one or more resource pools for the first terminal device, wherein a physical sidelink feedback channel (PSFCH) resource is configured in at least one of the resource pools.Type: ApplicationFiled: September 30, 2022Publication date: January 26, 2023Inventors: Li Zhao, Dongdong Wei, Xiao Xiao, Wenjie Peng
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Publication number: 20230007712Abstract: A method includes: a first terminal device receives first information from a network device, where the first information includes an indication information of a first unicast connection and a reference signal configuration corresponding to the first unicast connection, the reference signal configuration is used by the first terminal device to send a reference signal to a second terminal device; and the first terminal device sends the reference signal to the second terminal device on a sidelink based on the reference signal configuration.Type: ApplicationFiled: September 7, 2022Publication date: January 5, 2023Inventors: Wenjie Peng, Mingzeng Dai, Jun Wang, Dongdong Wei
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Publication number: 20220416950Abstract: Embodiments of this application provide a method and a communications apparatus for hybrid automatic repeat request processing, and relate to the field of communications technologies, to help reduce the possibility that an exception occurs due to the introduction of a HARQ feedback mechanism in sidelink communication. The method includes: A first terminal device receives first sidelink grant information, a first HARQ process identifier (ID), and first indication information from a network device. If the first indication information indicates retransmission and a transport block corresponding to a first HARQ process has been successfully sent, the first terminal device ignores the first sidelink grant information.Type: ApplicationFiled: November 6, 2020Publication date: December 29, 2022Inventors: Haibo XU, Jun WANG, Dongdong WEI, Jian WANG
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Publication number: 20220369346Abstract: When a first sidelink channel state information CSI report is triggered, a first terminal obtains a first sidelink resource configured by a base station for the first terminal, where the first sidelink resource can be used to transmit the sidelink CSI report. The first terminal sends the first sidelink CSI report to a second terminal on the first sidelink resource, where the first sidelink CSI report is used to feed back CSI of a sidelink between the first terminal and the second terminal.Type: ApplicationFiled: November 6, 2020Publication date: November 17, 2022Inventors: Haibo Xu, Jun Wang, Dongdong Wei, Jian Wang
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Patent number: 11502317Abstract: A fuel cell including an electrochemical reactor; a cooling circuit; a controller; a coolant circuit; a first temperature sensor; and a second temperature sensor. The cooling circuit includes a cooling pipe, a water pump, a radiator, a heater, and a thermostatic three-way valve. The cooling circuit is configured to cool the electrochemical reactor. The controller is configured to control operations of the electrochemical reactor and the cooling circuit. The cooling pipe includes a first water inlet and a first water outlet; and the coolant circuit is disposed between the first water inlet and the first water outlet. The first temperature sensor is disposed at the first water inlet. The second temperature sensor is disposed at the first water outlet. The first temperature sensor and the second temperature sensor are configured to detect and transmit temperature data of a coolant in the cooling pipe to the controller.Type: GrantFiled: September 28, 2020Date of Patent: November 15, 2022Assignees: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD., BROAD-OCEAN MOTOR EV CO., LTD.Inventors: Jia Deng, Dongdong Wei, Tairong Zhu, Yongfu Zhao
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Publication number: 20220360414Abstract: This application provides a communication processing method and a communication device. A first terminal device generates first acknowledgement information when the first terminal device does not perform transmission on a sidelink by using a first resource, where the sidelink is a wireless direct communication link between the first terminal device and a second terminal device; and then, the first terminal device sends the first acknowledgement information to the network device.Type: ApplicationFiled: July 21, 2022Publication date: November 10, 2022Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Nannan Liu, Xiangdong ZHANG, Junren CHANG, Dongdong WEI
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Patent number: 11470662Abstract: A method includes: a first terminal device receives first information from a network device, where the first information includes an indication information of a first unicast connection and a reference signal configuration corresponding to the first unicast connection, the reference signal configuration is used by the first terminal device to send a reference signal to a second terminal device; and the first terminal device sends the reference signal to the second terminal device on a sidelink based on the reference signal configuration.Type: GrantFiled: September 28, 2021Date of Patent: October 11, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Wenjie Peng, Mingzeng Dai, Jun Wang, Dongdong Wei
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Patent number: D1022860Type: GrantFiled: September 6, 2022Date of Patent: April 16, 2024Inventors: Christopher Eichel, Wenli Wei, Qinghua Shi, Dongdong Shi, Nicholas Suchoza