Patents by Inventor Wenrong Zhou

Wenrong Zhou 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: 11156296
    Abstract: An electric valve includes a valve body, a spool assembly, and a coil assembly. The spool assembly includes a piston, a valve seat, a valve needle, and a rotor. The valve seat is provided with a first valve port. The valve body is provided with a first port, a second port, a second valve port, and a bypass channel. One end of the first valve port keeps communication with the first port, and another end of the first valve port is in communication with the second port by means of the bypass channel. A second valve port is arranged in a bottom wall of the cavity having an open end, at least part of an outer wall of the valve seat is in sealing engagement with an inner wall of the cavity having an open end. A third valve port is arranged between the second valve port and the second port. A check valve is directly disposed between the third valve port and the second port.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: October 26, 2021
    Assignee: Zhejiang Sanhua Automotive Components Co., Ltd.
    Inventors: Xibo Liu, Shizhao Yang, Wenrong Zhou
  • Publication number: 20200124181
    Abstract: An electric valve includes a valve body, a spool assembly, and a coil assembly. The spool assembly includes a piston, a valve seat, a valve needle, and a rotor. The valve seat is provided with a first valve port. The valve body is provided with a first port, a second port, a second valve port, and a bypass channel. One end of the first valve port keeps communication with the first port, and another end of the first valve port is in communication with the second port by means of the bypass channel. A third valve port is arranged between the second valve port and the second port. A check valve is directly disposed between the third valve port and the second port.
    Type: Application
    Filed: June 11, 2018
    Publication date: April 23, 2020
    Applicant: Zhejiang Sanhua Automotive Components Co., Ltd.
    Inventors: Xibo Liu, Shizhao Yang, Wenrong Zhou