Patents by Inventor Chi Zhang

Chi Zhang 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).

  • Publication number: 20250145464
    Abstract: A method for preparing mesoporous iron phosphate by induction of block copolymers is provided. The method comprises preparing a ferric salt solution having a certain concentration and evenly dispersing it into a dispersant, then evenly mixing a structure directing agent solution with a phosphorus source solution, next adding the mixed solution to the ferric salt solution while dropwise adding an oxidant and stirring to react, thus after ending the reaction, washing, drying and calcinating the reaction product to obtain mesoporous iron phosphate.
    Type: Application
    Filed: April 21, 2023
    Publication date: May 8, 2025
    Applicant: YIDU XINGFA CHEMICAL CO., LTD
    Inventors: Jie WANG, Baorui LUO, Weiyun SHEN, Chi ZHANG, Lei ZHENG, Haiquan TAN, Zujing WANG, Dong WANG
  • Patent number: 12280771
    Abstract: A vehicle traveling control method, includes: predicting traveling paths of candidate vehicles within the sensing range of a current vehicle; determining a target competing vehicle competing with the current vehicle from the candidate vehicles, where the target competing vehicle is a vehicle having a path intersection with the traveling path of the current vehicle; determining the traveling strategy combinations of the current vehicle and the target competing vehicle according to preset traveling variations and current traveling status of the current vehicle and the target competing vehicle; and determining a target traveling strategy combination that meets preset safe traveling conditions from the traveling strategy combinations, and controlling the traveling of the current vehicle according to the target traveling strategy combination.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: April 22, 2025
    Assignee: Xiaomi EV Technology Co., Ltd.
    Inventors: Chao Wang, Chi Zhang
  • Patent number: 12276594
    Abstract: A shaft wall pressure corrosion test system includes a pressure bearing device, a confining pressure application device, and a seepage pressure application device. The confining pressure application device and the seepage pressure application device provide confining pressure and seepage pressure for the pressure bearing device, respectively, and keep the confining pressure and the seepage pressure constant on the pressure bearing device. In the system, axial pressure is applied to a piston by means of a hydraulic jack and is then transferred to a sample to complete axial pressure application. The confining pressure is applied to hydraulic oil by a manual pump in combination with an energy accumulator and then transferred to the sample to complete confining pressure application. The seepage pressure is applied to a corrosion solution by a water pump group in combination with an energy accumulator and then transferred to the sample to complete seepage pressure application.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: April 15, 2025
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    Inventors: Tao Han, Yong Xue, Tingting Luo, Yu Zhang, Weihao Yang, Yansen Wang, Zhijiang Yang, Chi Zhang, Tao Zhang, Jiahui Huang, Haipeng Li
  • Publication number: 20250118476
    Abstract: The present disclosure provides a wireless power transfer system and a wireless power transfer assembly. In one aspect, a wireless power transfer assembly includes a flexible printed circuit board, which is also referred to as a flexible printed circuit board structure. The flexible printed circuit board includes a litz winding. The litz winding has multiple layers of electrically insulated strands. The wireless power transfer assembly also includes a ceramic heat sink. The ceramic heat sink is arranged relative to the flexible printed circuit board in a manner that dissipates heat away from the litz winding. In another aspect, a wireless power transfer system includes a transmit unit or receive unit having an input stage, a resonator, and the wireless power transfer assembly.
    Type: Application
    Filed: September 26, 2024
    Publication date: April 10, 2025
    Inventors: Anup Anurag, Chi Zhang, Ruxi Wang, Peter Mantovanelli Barbosa
  • Patent number: 12274026
    Abstract: Disclosed herein are apparatus for a cooler device includes a manifold constructed at least partially of silicon oxide. The manifold includes an array of inlet channels and an array of outlet channels. Each inlet channel has a first depth. The array of outlet channels are interlaced with the array of inlet channels, Each outlet channel has a second depth that is larger than the first depth. Each of the array of outlet channels has a pair of sidewalls separating each outlet channel from adjacent inlet channels of the array of inlet channels.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: April 8, 2025
    Assignees: Toyota Motor Engineering & Manufacturing North America Inc., Alliance for Sustainable Energy, LLC, The Regents of the University of California, Merced, The Board of Trustees of the Leland Stanford Junior University, United States Department of Energy
    Inventors: Sougata Hazra, Chi Zhang, Mehdi Asheghi, Kenneth E. Goodson, Ercan M. Dede, James Palko, Sreekant Narumanchi
  • Publication number: 20250108513
    Abstract: A robot calibration method based on pose constraint and force sensing includes the following steps: establishing a kinematic model, a geometric error model, and a non-geometric error model; installing an end calibration device to an end of a robot, and installing to the geometric constraint device into a working space of the robot; dragging the robot, constraining various calibration spheres of the end calibration device into various V-shaped grooves on the geometric constraint device to achieve pose constraint; then dragging the calibration spheres to V-shaped grooves on different surfaces, and calibrating a geometric parameter error of the robot using a deviation between a nominal end pose measured twice and an actual value; reading an end force by a force sensor to calibrate the non-geometric error model; identifying kinematic model parameters of a corresponding robot; and compensating an identified kinematic model parameter error to a controller of the robot.
    Type: Application
    Filed: June 20, 2023
    Publication date: April 3, 2025
    Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Guilin YANG, Jianhui HE, Silu CHEN, Hongyu WAN, Jingbo LUO, Ye TANG, Zhihui ZHANG, Qingying CHEN, Chi ZHANG
  • Patent number: 12265066
    Abstract: Provided are an imaging method and system for residual stress of a basin insulator and a method for preparing a test block. The imaging method includes cutting and preparing a standard industrial sample of a basin insulator and testing the acoustoelastic coefficient of the standard industrial sample; then obtaining the residual stress data of the basin insulator and obtaining the spatial point sound velocity distribution of the basin insulator; finally, obtaining a stress distribution cloud map of the basin insulator by calculation of the attribute value and the coordinate data of a to-be-measured location, and performing reliability verification based on the residual stress data.
    Type: Grant
    Filed: October 8, 2023
    Date of Patent: April 1, 2025
    Assignees: ELECTRIC POWER SCIENCE &RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC POWER COMPANY, STATE GRID TIANJIN ELECTRIC POWER COMPANY, STATE GRID CORPORATION OF CHINA
    Inventors: Jin He, Chun He, Songyuan Li, Qinghua Tang, Chi Zhang, Rong Chen, Qi Zhao, Jin Li, Xiaobo Song, Yue Han, Meng Cao, Lin Li, Suya Li, Yanwei Dong, Zhengzheng Meng
  • Patent number: 12263602
    Abstract: A robot calibration method based on pose constraint and force sensing includes the following steps: establishing a kinematic model, a geometric error model, and a non-geometric error model; installing an end calibration device to an end of a robot, and installing to the geometric constraint device into a working space of the robot; dragging the robot, constraining various calibration spheres of the end calibration device into various V-shaped grooves on the geometric constraint device to achieve pose constraint; then dragging the calibration spheres to V-shaped grooves on different surfaces, and calibrating a geometric parameter error of the robot using a deviation between a nominal end pose measured twice and an actual value; reading an end force by a force sensor to calibrate the non-geometric error model; identifying kinematic model parameters of a corresponding robot; and compensating an identified kinematic model parameter error to a controller of the robot.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: April 1, 2025
    Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Guilin Yang, Jianhui He, Silu Chen, Hongyu Wan, Jingbo Luo, Ye Tang, Zhihui Zhang, Qingying Chen, Chi Zhang
  • Publication number: 20250105613
    Abstract: A hybrid circuit breaker and a pre-charge control method are provided. The hybrid circuit breaker includes an outer branch, a first branch, a first mechanical switch module, a second branch, an electronic switch and a current commutation circuit. The first branch is connected with the outer branch in series. The first mechanical switch module is located on the first branch. The second branch is connected with the first branch in parallel. The electronic switch is located on the second branch. The current commutation circuit includes a voltage source module and an inductor. The voltage source module is located on the second branch. The inductor is located on one of the first branch or the second branch.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 27, 2025
    Inventors: Ruxi Wang, Boxue Hu, Jui-Chien Hung, Chi Zhang, Anup Anurag, Peter Mantovanelli Barbosa
  • Patent number: 12261464
    Abstract: The present disclosure provides a high voltage device built from modular low voltage cells. Each low voltage cell includes a plurality of low voltage semiconductor devices and one or more low voltage passive components. Each cell can be a current-bidirectional two-quadrant switch or a four-quadrant switch. All the cells may be identical and controlled with a delay time in between. Therefore, the total on and off time of the high voltage device can be controlled to reduce the output equivalent dv/dt. The cell's voltage balancing can be achieved through a control algorithm disclosed herein.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: March 25, 2025
    Assignee: Delta Electronics, Inc.
    Inventors: Ruxi Wang, Zhiyu Shen, Chi Zhang, Tomas Sadilek, Peter Mantovanelli Barbosa
  • Publication number: 20250092583
    Abstract: A pipeline-type positive warp yarn feeding device includes a yarn bobbin frame and a yarn feeding frame. The yarn feeding frame is provided with a positive yarn feeding assembly including a positive yarn feeding power component and positive yarn feeding wheels on the yarn feeding frame, the positive yarn feeding wheels correspond to yarn bobbins on the yarn bobbin frame, an outer circumference surface of a wheel shaft of each positive yarn feeding wheel defines spiral yarn feeding grooves, a groove mouth width of each yarn feeding groove is matched with a width of a strand of yarn, the yarn on the yarn bobbins is wound on the positive yarn feeding wheels, each yarn feeding groove accommodates a single strand of the yarn, and the positive yarn feeding power component is configured to drive the positive yarn feeding wheels to rotate and feed the yarn through a transmission gear assembly.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Inventors: Hongjun Yang, Chi Zhang, Weilin Xu, Wangbao Jin, Liquan Jiang, Yixia Chen
  • Patent number: 12255539
    Abstract: The present disclosure provides a three-level rectification DC/DC converter including primary and secondary circuits and a resonant tank circuit. A voltage between two primary terminals is a first voltage. The secondary circuit includes a flying capacitor, a switch bridge arm, and a capacitor bridge arm. The switch bridge arm includes four switches serially connected. Two terminals of the flying capacitor are respectively connected between the first and second switches and connected between the third and fourth switches. Two secondary terminals are respectively connected between the second and third switches and connected between two output capacitors of the capacitor bridge arm. In two consecutive periods of the first voltage, the first and second switches are in an on state for a preset time length after two falling edges respectively, and the third and fourth switches are in the on state for the preset time length after two rising edges respectively.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: March 18, 2025
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Chi Zhang, Minli Jia, Hao Sun, Jinfa Zhang, Peter Mantovanelli Barbosa
  • Publication number: 20250085125
    Abstract: The present application discloses a distance prediction method, a model training method, a planning-control system and related apparatuses thereof. The distance prediction method includes: acquiring a first global pose, a first expanded navigation path and first landmark information of a first vehicle, where the first global pose is a global pose of the first vehicle at a current moment, the first expanded navigation path includes an expanded path of a first vehicle navigation path determined based on the first global pose, and the first landmark information includes landmark information included in a first road environment image collected by the first vehicle at the first global pose; processing the first global pose, the first expanded navigation path and the first landmark information based on a distance prediction model to obtain a farthest reachable distance on each lane in the first landmark information.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 13, 2025
    Applicant: Momenta (Suzhou) Technology Co., Ltd.
    Inventors: Liang CHEN, Jun LI, Chi ZHANG
  • Patent number: 12249959
    Abstract: Disclosed is a voltage-controlled oscillator (VCO) including at least an inductor-capacitor (LC) resonant circuit (including varactors that receive a variable input voltage), cross-coupled transistors connected to the LC resonant circuit, and an LC filter connected to a shared source node of the cross-coupled transistors. The cross-coupled transistors can have back gates connected to receive a variable back gate bias voltage (Vbg), which is dependent on Vin to ensure that an optimal relationship between the oscillating frequency (?0) of the LC resonant circuit and the resonant frequency (?1) of the LC filter is continuously maintained to minimize phase noise. For example, if Vin is increased to increase varactor capacitance and, thereby decrease ?0, then Vbg is also increased, thereby increasing the voltage (Vs-s) and the capacitance (Cs-s) on the shared source node connected to the LC filter, decreasing ?1, and maintaining an optimal relationship of ?0=?1/2.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: March 11, 2025
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Qiao Yang, Chi Zhang
  • Publication number: 20250077522
    Abstract: Systems and methods for optimizing database routing in accordance with embodiments of the invention are illustrated. One embodiment includes a tiered database. The tiered database includes a data warehouse used to store obtained data. The tiered database includes a relational layer that stores a copy of a subset of the obtained data within a certain period of recency. The tiered database includes a query planner. The query planner is configured to receive a new query and determine a query plan to respond to the query. The query planner is configured to compute, from a set of database metrics and the preliminary query plan, a storage access cost. The query planner is configured to route the query based on the storage access cost, wherein the query is routed: to the data warehouse when the storage access cost exceeds a predetermined threshold; and to the relational layer otherwise.
    Type: Application
    Filed: August 30, 2024
    Publication date: March 6, 2025
    Applicant: ZettaBlock, Inc
    Inventors: Rohit Shekhar, Chi Zhang, Ruisheng Shi
  • Publication number: 20250067647
    Abstract: Provided are an imaging method and system for residual stress of a basin insulator and a method for preparing a test block. The imaging method includes cutting and preparing a standard industrial sample of a basin insulator and testing the acoustoelastic coefficient of the standard industrial sample; then obtaining the residual stress data of the basin insulator and obtaining the spatial point sound velocity distribution of the basin insulator; finally, obtaining a stress distribution cloud map of the basin insulator by calculation of the attribute value and the coordinate data of a to-be-measured location, and performing reliability verification based on the residual stress data.
    Type: Application
    Filed: October 8, 2023
    Publication date: February 27, 2025
    Inventors: Jin HE, Chun HE, Songyuan LI, Qinghua TANG, Chi ZHANG, Rong CHEN, Qi ZHAO, Jin LI, Xiaobo SONG, Yue HAN, Meng CAO, Lin LI, Suya LI, Yanwei DONG, Zhengzheng MENG
  • Patent number: 12232493
    Abstract: The present disclosure is related to terrein functioning as a biopesticide formulation in drought resistance and growth promotion of crops. The formulation containing terrein can be treated by soaking or spraying on the crops. It is especially suitable for drought and water shortage conditions, promoting growth of plant root length, seedling height, fresh weight, and dry weight, greatly increasing crop yield, and significantly improving drought resistance of crop plants. Under the condition of seed soaking treatment with 10 ?g/mL terrein, promotion rates of root length, seedling height, fresh weight, and dry weight of pakchoi are 99.19%, 15.66%, 40.34%, and 49.12%, respectively. The source of terrein is easy to obtain and the cost is low. It has a simple structure and is easily soluble in water. In the actual application process, it only needs to simply prepare an aqueous solution or mix with other pesticide formulations for seed soaking or spraying treatment.
    Type: Grant
    Filed: July 7, 2023
    Date of Patent: February 25, 2025
    Assignee: XINJIANG INSTITUTE OF ECOLOGY AND GEOGRAPHY, CHINESE ACADEMY OF SCIENCES
    Inventors: Hua Shao, Lijing Lei, Wei Shao, Chi Zhang
  • Patent number: 12235763
    Abstract: The present disclosure provides a data processing method, a device, a computer apparatus and a storage medium, wherein the method includes: in response to a target disk receiving at least one write request within a preset time period, determining a size threshold value for classifying a data update type according to a size of write data respectively indicated by each write request; determining a data update type corresponding to each write request according to a size of each write request and the size threshold value; dividing write data of the write request to obtain a data block according to a preset data block size, and caching the data block in a cache region of the target disk corresponding to the data update type, the target disk has multiple types of cache regions configured therein, different cache regions are configured to support caching of data with different update frequencies.
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: February 25, 2025
    Assignees: Xi'an Jiaotong University, Douyin Vision Co., Ltd., Lemon Inc.
    Inventors: Wei Tang, Chi Zhang, Fangxing Yu, Menghan Li, Bo Wang, Weiguo Wu, Fei Liu
  • Patent number: 12227241
    Abstract: A method for lateral control of a vehicle includes: determining a target steering wheel rotation angle based on a target trajectory of the vehicle and a vehicle pose; determining a steering wheel rotation angle compensation according to the target steering wheel rotation angle and steering data of the vehicle; and controlling steering of the vehicle according to the target steering wheel rotation angle and the steering wheel rotation angle compensation, such that an actual steering angle of the vehicle is consistent with the target steering wheel rotation angle.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: February 18, 2025
    Assignee: Xiaomi EV Technology Co., Ltd.
    Inventors: Chi Zhang, Wei Tan, Hao Li
  • Patent number: 12228204
    Abstract: A flexible mechanism-based anti-backlash device for a planetary gear train, a gearbox, and a robot joint are provided. The anti-backlash device includes an integrated flexible planet carrier, an adjusting screw and a spring, the integrated flexible planet carrier is provided with a moving platform, the moving platform is provided with a spring hole, and the spring is sleeved outside the screw and is installed in the spring hole; when the threaded connection depth of the adjusting screw and the integrated flexible planet carrier reaches or exceeds a set depth, the adjusting screw can extrude the spring to make the moving platform generate elastic movement along a radial direction of the integrated flexible planet carrier, and the radial elastic movement is transformed into circumferential elastic rotation of a planet carrier bearing hole around the center of the planet carrier through an elastic connector.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: February 18, 2025
    Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Guilin Yang, Qinghao Du, Miao Yang, Hongtao Yu, Chi Zhang, Chin Yin Chen