Patents by Inventor Weifeng MA

Weifeng MA 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).

  • Patent number: 12266983
    Abstract: The present invention involves in the technical field of resolver transformers, specifically in a motor-integrated resolver transformer simulation device and the simulation method thereof. The present invention obtains the current sinusoidal and cosinusoidal signals of a motor module through a resolver transformer module provided therein, and compare them with the excitation signals inputted by a motor controller, so as to determine whether the resolving circuit of the motor controller is faulty, and, by improving the brush device of the motor module, the service life of the motor module is increased and the testing cost is reduced.
    Type: Grant
    Filed: June 28, 2024
    Date of Patent: April 1, 2025
    Assignee: CHANGZHOU HUAXUAN SENSING TECHNOLOGY CO., LTD
    Inventors: Yan Huang, Weifeng Ma
  • Patent number: 12257907
    Abstract: A system and method for detecting rotary transformer performance based on data analysis includes a related user vehicle analysis module, which obtains the status characteristics of the rotary transformer during each maintenance of the vehicle under test. It constructs a relationship function of winding variables with vehicle operation time and analyzes the deviation between the constructed relationship function and the corresponding functions in the database for vehicles that have undergone rotary transformer replacement, thereby obtaining a set of related user vehicles for the vehicle under test. The system and method takes into account the vehicle user's usage of the vehicle and the impact of temperature and vibration on the rotary transformer during vehicle operation. It analyzes the impact of the vehicle user's usage on the performance of the rotary transformer, thereby accurately predicting the remaining service life of the rotary transformer and providing timely fault warnings to the vehicle user.
    Type: Grant
    Filed: September 4, 2024
    Date of Patent: March 25, 2025
    Assignee: Changzhou Huaxuan Sensing Technology Co., Ltd
    Inventors: Yan Huang, Weifeng Ma
  • Publication number: 20250083528
    Abstract: A system and method for detecting rotary transformer performance based on data analysis includes a related user vehicle analysis module, which obtains the status characteristics of the rotary transformer during each maintenance of the vehicle under test. It constructs a relationship function of winding variables with vehicle operation time and analyzes the deviation between the constructed relationship function and the corresponding functions in the database for vehicles that have undergone rotary transformer replacement, thereby obtaining a set of related user vehicles for the vehicle under test. The system and method takes into account the vehicle user's usage of the vehicle and the impact of temperature and vibration on the rotary transformer during vehicle operation. It analyzes the impact of the vehicle user's usage on the performance of the rotary transformer, thereby accurately predicting the remaining service life of the rotary transformer and providing timely fault warnings to the vehicle user.
    Type: Application
    Filed: September 4, 2024
    Publication date: March 13, 2025
    Inventors: Yan HUANG, Weifeng MA
  • Publication number: 20250007359
    Abstract: The present invention involves in the technical field of resolver transformers, specifically in a motor-integrated resolver transformer simulation device and the simulation method thereof. The present invention obtains the current sinusoidal and cosinusoidal signals of a motor module through a resolver transformer module provided therein, and compare them with the excitation signals inputted by a motor controller, so as to determine whether the resolving circuit of the motor controller is faulty, and, by improving the brush device of the motor module, the service life of the motor module is increased and the testing cost is reduced.
    Type: Application
    Filed: June 28, 2024
    Publication date: January 2, 2025
    Inventors: Yan HUANG, Weifeng MA
  • Patent number: 9790346
    Abstract: Method for recovering carbon fibers from carbon fiber reinforced polymer composites is provided. The recovered carbon fibers can be separable and can be substantially free of thermosetting resins. Compositions comprising said recovered carbon fibers are also provided.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: October 17, 2017
    Assignee: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chongjun Zhao, Muzi Shitian, Weifeng Ma, Xiuzhen Qian, Jinchao Zhang, Xin Chen
  • Publication number: 20160115301
    Abstract: Method for recovering carbon fibers from carbon fiber reinforced polymer composites is provided. The recovered carbon fibers can be separable and can be substantially free of thermosetting resins. Compositions comprising said recovered carbon fibers are also provided.
    Type: Application
    Filed: May 8, 2013
    Publication date: April 28, 2016
    Inventors: Chongjun ZHAO, Muzi SHITIAN, Weifeng MA, Xiuzhen QIAN, Jinchao ZHANG, Xin CHEN