Patents by Inventor Wei Zhan

Wei Zhan 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: 20250251237
    Abstract: The application provides a wheel alignment calibration device and a wheel alignment apparatus. The wheel alignment calibration device includes: a calibration box, a calibration component located in the calibration box, and a fixing member connected to the calibration box; the calibration box defines a calibration direction, the calibration box is provided with a calibration space and a calibration opening communicated with the calibration space. The calibration component is located in the calibration space and can be exposed to the calibration opening in the calibration direction. The fixing member is configured to fix the calibration box on the lift carrying the vehicle, so that the opening direction of the calibration opening is set obliquely downward, and the wheel alignment calibration device is configured to achieve calibration based on the calibration direction through the calibration component.
    Type: Application
    Filed: May 24, 2024
    Publication date: August 7, 2025
    Applicant: SHENZHEN SMARTSAFE TECH CO.,LTD.
    Inventors: Wei ZHAN, Qingwei WANG
  • Patent number: 12364216
    Abstract: A circular sprinkler irrigation all-in-one machine capable of spraying water, fertilizer, and pesticide includes a sprinkler irrigation frame and a storage pesticide box disposed at a side of the sprinkler irrigation frame, and a top end of the sprinkler irrigation frame is fixedly connected to a lower connecting seat. The operator control the machine through a control panel to uniformly spray and irrigate crops, an area of spraying water, pesticide and fertilizer can be adjusted according to the area of crops, effectively saving water, fertilizer and pesticide resources, accurate fertilization or spraying pesticide can be achieved according to different crops, the integration of a water pipeline and a first electric power line with a main sprinkler irrigation pipe ensures that the spraying operation can be carried out regularly and continuously during rotary spraying, avoiding line entanglement, improving device versatility, overall spraying accuracy and the neatness of the device line.
    Type: Grant
    Filed: January 24, 2025
    Date of Patent: July 22, 2025
    Assignee: Institute of Farmland Irrigation, Chinese Academy of Agricultural Sciences(CAAS)
    Inventors: Hua Cao, Yongshen Fan, Chunya Ma, Peng Li, Zhen Chen, Fuyi Duan, Wei Zhan, Yinbo Cao
  • Publication number: 20250180658
    Abstract: Disclosed is a load measurement method of a battery balancer, which includes: performing discharging control on a cell until reaching cutoff voltage; performing charging control on the cell according to preset constant charging power until reaching a preset upper limit of a cell load, generating cell charging efficiency information, and generating cell discharging efficiency information; performing charging/discharging cycle control on the cell and obtaining charging/discharging cycle control efficiency information; and calculating and generating cell load state information by using a cell load algorithm based on the cell charging efficiency information, the cell discharging efficiency information and the charging/discharging cycle control efficiency information, and generating a cell load state curve.
    Type: Application
    Filed: June 28, 2024
    Publication date: June 5, 2025
    Inventors: Jun Liu, Wei Zhan
  • Publication number: 20250180662
    Abstract: Disclosed is a battery health state assessment method, including performing discharge control on a cell until a cutoff voltage; performing charge control on the cell until a preset cell load rated capacity, and performing discharge control on the cell until the cutoff voltage, and generating cell discharge efficiency information; performing charge and discharge cycle control on the cell and acquiring corresponding charge and discharge cycle control efficiency information; using a cell load algorithm to calculate and generate a cell load actual capacity information; and generating a cell health state assessment information according to the ratio between the cell load actual capacity and the cell load rated capacity. The accuracy of the SOH assessment process can be improved by implementing the methods of the embodiments of the present application to optimize the battery performance assessment process and improve the battery charge and discharge efficiency assessment capability.
    Type: Application
    Filed: June 28, 2024
    Publication date: June 5, 2025
    Inventors: Jun Liu, Wei Zhan
  • Publication number: 20250183678
    Abstract: Disclosed is a battery equalization management method, including the following steps: S10, setting a working period t1 and a stopping period t2, wherein t1/(t1+t2)?80%; S20, performing a charging and discharging operation on the battery during the working period t1; S30, suspending the charging and discharging operation within the stopping period t2, and performing a reverse charging and discharging operation on the battery with a small current for a preset period; S40, performing a voltage collection on the battery after the battery voltage is stable; and S50, determining whether the battery equalization is completed according to the collected battery voltage data, if yes, ending the current battery equalization operation, and if no, returning to executing steps S20 to S40. The present invention improves the accuracy and stability of battery equalization.
    Type: Application
    Filed: June 28, 2024
    Publication date: June 5, 2025
    Inventors: Jun Liu, Wei Zhan
  • Publication number: 20250172387
    Abstract: A four-wheel aligner including four four-wheel alignment and measuring devices and two four-wheel alignment and calibration devices; one of the two four-wheel alignment and calibration devices is arranged between two of the four four-wheel alignment and measuring devices located at a side of the vehicle to be aligned, another one of the two four-wheel alignment and calibration devices is arranged between another two of the four four-wheel alignment and measuring devices located at another side of the vehicle to be aligned, and the two four-wheel alignment and calibration devices are configured to be oppositely arranged on two sides of the vehicle to be aligned; the four four-wheel alignment and measuring devices are configured to obtain images of the tires and to analyze alignment information of the tires.
    Type: Application
    Filed: May 24, 2024
    Publication date: May 29, 2025
    Applicant: SHENZHEN SMARTSAFE TECH CO.,LTD.
    Inventors: Wei ZHAN, Qingwei WANG, Shaoli GU
  • Publication number: 20250169408
    Abstract: A circular sprinkler irrigation all-in-one machine capable of spraying water, fertilizer, and pesticide includes a sprinkler irrigation frame and a storage pesticide box disposed at a side of the sprinkler irrigation frame, and a top end of the sprinkler irrigation frame is fixedly connected to a lower connecting seat. The operator control the machine through a control panel to uniformly spray and irrigate crops, an area of spraying water, pesticide and fertilizer can be adjusted according to the area of crops, effectively saving water, fertilizer and pesticide resources, accurate fertilization or spraying pesticide can be achieved according to different crops, the integration of a water pipeline and a first electric power line with a main sprinkler irrigation pipe ensures that the spraying operation can be carried out regularly and continuously during rotary spraying, avoiding line entanglement, improving device versatility, overall spraying accuracy and the neatness of the device line.
    Type: Application
    Filed: January 24, 2025
    Publication date: May 29, 2025
    Inventors: Hua Cao, Yongshen Fan, Chunya Ma, Peng Li, Zhen Chen, Fuyi Duan, Wei Zhan, Yinbo Cao
  • Publication number: 20250172535
    Abstract: A method of determining ecological risk with spatial aggregation and regional imbalance level applicable for use in a river basin which involves geographic information, ecology, environmental engineering and computer technology includes the steps of: dividing a river basin into a plurality of fishnets; obtaining a basin landscape disturbance index and a basin landscape vulnerability index; obtaining a basin ecological risk index based on the basin landscape disturbance index and the basin landscape vulnerability index; and determining and evaluating the basin ecological risk in spatial aggregation and the regional imbalance with reference to a spatial autocorrelation value and a basin ecological risk imbalance value obtained by using the basin ecological risk index. The ecological risk in spatial aggregation and the regional imbalance is output and evaluate so that the ecological risk in river basin can be assessed comprehensively with high evaluation accuracy.
    Type: Application
    Filed: September 6, 2024
    Publication date: May 29, 2025
    Inventors: Yu TIAN, Lipin LI, Weijia LI, Yedong GAO, Wei ZHAN, Nanqi REN
  • Publication number: 20250172386
    Abstract: Provided are a four-wheel alignment measuring device and a four-wheel alignment apparatus, the four-wheel alignment measuring device including: a support base, a support rod connected to the support base, a laser device, and a camera device arranged on the support rod. A lengthwise direction of the support rod and a lengthwise direction of the support base form a first inclination angle, the laser device is configured to project a laser image toward a surface of a tire, and the camera device is configured to acquire the laser image and obtain alignment information of the tire using the laser image.
    Type: Application
    Filed: May 22, 2024
    Publication date: May 29, 2025
    Inventors: Wei ZHAN, Qingwei WANG
  • Publication number: 20250101058
    Abstract: A crystalline form of a high-stability nor-ursodeoxycholic berberine salt and a preparation method therefor are provided. The crystalline form has the following structural formula. In X-ray powder diffraction of the crystalline form, a 2? diffraction angle has characteristic peaks at 3.54+/?0.2 degrees, 7.13+/?0.2 degrees, 13.14+/?0.2 degrees, 15.95+/?0.2 degrees, 16.40+/?0.2 degrees, 18.64+/?0.2 degrees, 24.90+/?0.2 degrees, 25.76+/?0.2 degrees and 26.30+/?0.2 degrees.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 27, 2025
    Inventors: Bing GUANG, Renhan DONG, Wei ZHAN, Chuanjun QIN, Fengming GUANG
  • Publication number: 20250044078
    Abstract: A tire tread detection device includes a main body. The main body is provided with a cavity, and a first opening and a second opening that are spaced along a first direction and are in communication with the cavity. The cavity is provided therein with a first camera module and a laser module, the first camera module is configured to capture a tire tread area of a tire to be measured through the first opening to obtain a tire tread image, and a laser line of the laser module passes through the second opening to reach the tire tread area of the tire to be measured to obtain depth data of the tire tread; a control assembly processes the obtained tire tread depth and image information of the tire tread and compares them with the original data to determine the wearing degree of the tire tread.
    Type: Application
    Filed: November 9, 2022
    Publication date: February 6, 2025
    Inventors: Wei ZHAN, Qingwei WANG, Shaoli GU
  • Publication number: 20250028023
    Abstract: A vehicle ADAS calibration device, including: a support platform; a lifting mechanism, foldable on the support platform, the lifting mechanism being hinged to the support platform; and an foldable arm mechanism, foldable on the lifting mechanism. The foldable arm mechanism is mounted on the lifting mechanism. By folding the foldable arm mechanism onto the lifting mechanism, the width of the vehicle ADAS calibration device can be reduced; and by folding the lifting mechanism onto the support platform, the height of the vehicle ADAS calibration device can be reduced, thereby facilitating storage and transportation.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 23, 2025
    Inventors: Wei ZHAN, Hanyao DING, Hongbo YU
  • Patent number: 12188918
    Abstract: Disclosed is an intelligent monitoring method for soil moisture status based on remote sensing technology, including the following steps: dividing a monitoring region into a plurality of sub-regions by a processing end, acquiring image data of various sub-regions on the basis of remote sensing satellites, acquiring multi-source data related to soil moisture status of the monitoring region on the basis of sensor devices, and pre-processing the image data and the multi-source data; comprehensively analyzing the image data and the multi-source data, and assessing soil moisture status of the various sub-regions; and comprehensively analyzing overall soil moisture status of the monitoring region according to the soil moisture status of the various sub-regions. The soil moisture status of the monitoring region is assessed after the multi-source data is comprehensively analyzed by the monitoring method, bringing about a more comprehensive and accurate analysis.
    Type: Grant
    Filed: July 16, 2024
    Date of Patent: January 7, 2025
    Assignee: INSTITUTE OF FARMLAND IRRIGATION OF CAAS
    Inventors: Chunya Ma, Fuyi Duan, Yongshen Fan, Yun Gao, Zhen Chen, Peng Li, Xiulu Sun, Hua Cao, Wei Zhan, Yinbo Cao, Wanna Fu
  • Publication number: 20240336277
    Abstract: A method and system for controlling a device includes training a low-level policy to form a trained low-level policy and a low-level value function to form a trained goal conditioned value function, wherein training is performed using a static data set using goal conditioned episodes, training a high-level goal planner having high level goals having high-level sub-goals corresponding to a plurality of future time steps using the low-level value function to maximize a cumulative reward over the sub-goals for the plurality of future time steps so that the sub-goals are reachable by the low-level policy, obtaining an observation of a device, and generating an executable action using the low-level policy and the high-level goal planner and operating the device with the executable action.
    Type: Application
    Filed: February 12, 2024
    Publication date: October 10, 2024
    Applicants: DENSO International America, Inc., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Minglei HUANG, Wei Zhan, Masayoshi Tomizuka, Chen Tang, Jinning Li
  • Publication number: 20240300910
    Abstract: A compound represented by formula (I) is effective in inhibiting the growth of Clostridium difficile. Compared with nitazoxanide and other antibiotics, the compound also has significantly less influence on intestinal probiotics and lower toxic side effects while significantly inhibiting the activity of Clostridium difficile, and the disease is not easy to relapse after the drug is stopped.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 12, 2024
    Inventors: Bing GUANG, Tai YANG, Renhan DONG, Jin LIU, Wei ZHAN, Chuanjun QIN, Jian XIE, Sheng HUANG, Xiangyang PENG, Yongxin LAI, Qing XU, Jian PENG
  • Publication number: 20240270732
    Abstract: A compound as a receptor-interacting protein (RIP) inhibitor, a preparation method therefor, and a use thereof, which relate to the field of chemical medicines, are provided. The compound is a compound as represented by formula (I), or a salt thereof, or a stereoisomer thereof, or a solvate thereof, or a prodrug thereof. The compound has good inhibitory activity on humanized RIP1 kinase, and can be used for preparing drugs for resisting inflammation, resisting tumors and the like.
    Type: Application
    Filed: May 17, 2022
    Publication date: August 15, 2024
    Inventors: Bing GUANG, Tai YANG, Renhan DONG, Chuanjun QIN, Jian XIE, Jian PENG, Sheng HUANG, Jin LIU, Wei ZHAN, Yongxin LAI, Xiangyang PENG, Qing XU, Yisheng ZENG, Xiaojun HU
  • Patent number: 12012348
    Abstract: An integrated equipment and treatment method for synchronous ecological treatment of domestic sewage and sludge, the equipment includes a one-piece box-shaped main body divided into several tank compartments which includes an anaerobic tank, a sludge reduction and denitrification tank, an aerobic tank, a sedimentation tank, and a disinfection tank, an inlet pipe for sewage and sludge entrance and an outlet pipe for exit of effluent after treatment. The sludge reduction and denitrification tank is equipped with variable microporous aeration pipes, worm fillers and multi-functional water quality online detectors. The aerobic tank is equipped with aeration pipeline components and DO online detectors. The sewage and sludge are guided to passing through the different tank compartments in order for simultaneous sewage treatment and sludge reduction. The removal rate of total nitrogen is as high as 85%, and the simultaneous reduction effect of sludge can reach more than 60%.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: June 18, 2024
    Inventors: Yu Tian, Junjie Chen, Lipin Li, Wei Zhan
  • Patent number: 11948170
    Abstract: Systems, methods, and computer-readable media are disclosed for estimating impressions for a digital out of home (DOOH) advertising spaces (e.g., digital billboards and screens). A DOOH advertising system may determine the location of relevant DOOH advertising spaces and the location of certain consumers with known attributes and a known location. Based on this information the DOOH advertising system may estimate a number of impressions for a given DOOH advertising space and a given consumer segment associated with attributes of consumers within a certain distance from the DOOH advertising space. Using this information, the DOOH advertising spaces having the highest estimated impressions for a given consumer segment may be identified.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: April 2, 2024
    Assignee: Amazon Technologies, Inc.
    Inventors: Sarp Arda Coskun, Ran Baror, Charles Joseph Rojo, Robin Michelle Sweers, Kaushik Shankar, Timothy Jacob Lawson, Wei Zhan, Jason Mach, Ankit Rajiv Kuwadekar, Adam Jacob Gilbert, Michael Lee Loritsch
  • Publication number: 20240050952
    Abstract: The present invention relates to a reagent container and an operation method therefor, and a reagent treatment system.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 15, 2024
    Inventors: Wei ZHAN, Yi YANG, Dezhong WU
  • Patent number: D1087803
    Type: Grant
    Filed: November 24, 2023
    Date of Patent: August 12, 2025
    Assignee: SHENZHEN SMARTSAFE TECH CO., LTD.
    Inventors: Jun Liu, Wei Zhan, Keran Liu, Xuan Ouyang