Patents by Inventor Chenfu FANG

Chenfu FANG 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).

  • SPLIT-TYPE MULTIFUNCTIONAL UNDERWATER ARC WELDING POWER SUPPLY AND OPERATING METHOD THEREOF
    Publication number: 20240149368
    Abstract: A split-type multifunctional underwater arc welding power supply, comprising: including a shore power supply module and an underwater power supply module is provided. The shore power supply module comprises a shore power supply main circuit unit and a shore power supply control unit. The shore power supply main circuit unit comprises an input filter circuit, an IGBT full-bridge inverter circuit, an intermediate frequency transformer, and an output rectification filter circuit. The underwater power supply module comprises an underwater power supply main circuit unit and an underwater power supply control unit. The shore power supply module is provided on the shore, and the underwater power supply module is carried underwater.
    Type: Application
    Filed: June 2, 2022
    Publication date: May 9, 2024
    Applicants: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY, NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY, JIANGSU AUTOMATION RESEARCH INSTITUTE
    Inventors: Zhidong YANG, Yuntao CHEN, Shujin CHEN, Mingxiao SHI, Chenfu FANG, Kehong WANG, Hongwei SUN, Xiaoyan GU