Patents by Inventor Ji-Hui JIA

Ji-Hui JIA 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).

  • Trim of check valve
    Patent number: 9334973
    Abstract: A trim of a check valve includes a stem, a fixed member including two opposite through holes, a rotational member secured to the stem and including two opposite recesses, a hollow coupling member including an inlet at one end, a sleeve releasably secured to the coupling member wherein the sleeve includes an outlet at an other end and the fixed member and the rotational member are disposed at one end of the sleeve, a closing member moveably disposed at an other end of the sleeve, a connector releasably secured to an other end of the stem, and a biasing member biased between the closing member and the connector. In response to fluid pressure differential greater than a predetermined value the rotational member is clockwise turned to align the through holes with the recesses to allow the fluid to flow out of the outlet.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: May 10, 2016
    Assignee: FUSAN VALVE (SUZHOU) LIMITED
    Inventors: Lian-Tsai Jong, Wen-Lung Chung, Shen-Kai Chung, Ji-Hui Jia
  • TRIM OF CHECK VALVE
    Publication number: 20140345717
    Abstract: A trim of a check valve includes a stem, a fixed member including two opposite through holes, a rotational member secured to the stem and including two opposite recesses, a hollow coupling member including an inlet at one end, a sleeve releasably secured to the coupling member wherein the sleeve includes an outlet at an other end and the fixed member and the rotational member are disposed at one end of the sleeve, a closing member moveably disposed at an other end of the sleeve, a connector releasably secured to an other end of the stem, and a biasing member biased between the closing member and the connector. In response to fluid pressure differential greater than a predetermined value the rotational member is clockwise turned to align the through holes with the recesses to allow the fluid to flow out of the outlet.
    Type: Application
    Filed: October 25, 2013
    Publication date: November 27, 2014
    Applicant: FUSAN VALVE (SUZHOU) LIMITED
    Inventors: Lian-Tsai JONG, Wen-Lung CHUNG, Shen-Kai CHUNG, Ji-Hui JIA