Patents by Inventor Feilong DU

Feilong DU 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).

  • Valve Core Assembly and Reversing Valve with Valve Core Assembly
    Publication number: 20230358323
    Abstract: A valve core assembly and a reversing valve with the valve core assembly. The valve core assembly comprises: a guide frame (10); and a sliding block (20), wherein the guide frame (10) is in drive connection with the sliding block (20), one side of the sliding block (20) is provided with a cavity, the other side of the sliding block (20) is provided with a blocking portion (30), and the blocking portion (30) is used to block an inlet passage. The technical solution can solve the problem in the related art that reversing failure of a reversing valve easily occurs.
    Type: Application
    Filed: August 11, 2021
    Publication date: November 9, 2023
    Inventors: Fei ZHANG, Feilong DU, Jiafeng ZHU