Patents by Inventor Meilin HUANG

Meilin HUANG 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).

  • Ultra-high temperature rigidity seal ball valve
    Patent number: 9447898
    Abstract: An ultra-high temperature (UHT) rigidity seal ball valve that includes an upper cover, a valve cover, a valve body, a valve rod and a ball body. The valve seat is arranged in the valve body; the valve rod penetrates the upper cover and the valve cover sequentially and connects to the ball body; a sealing element is arranged between the upper cover and the valve rod and between the valve cover and the valve rod; the ball body includes a medium channel; a hermetically-sealed cooling cavity encircles the outside of the medium channel of the ball body; a through hole allowing cooling liquid to pass through to the cooling cavity is formed in the valve rod. An accommodating cavity is arranged in the ball body; the through communicates with the accommodating cavity, so that cooling liquid can be introduced to a product when the valve operates at an ultra-high temperature.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: September 20, 2016
    Assignee: ZHEJIANG PETROCHEMICAL VALVE CO., LTD.
    Inventors: Rongshui Yang, Jingpan Su, Meilin Huang, Yongxi Li, Aiyi Huang, Hu Jin, Guangwu Xiang, Zhongyuan Wang, Fei Nan, Huaimin Wu, Wei Xiang
  • ULTRA-HIGH TEMPERATURE RIGIDITY SEAL BALL VALVE
    Publication number: 20160265688
    Abstract: An ultra-high temperature (UHT) rigidity seal ball valve that includes an upper cover, a valve cover, a valve body, a valve rod and a ball body. The valve seat is arranged in the valve body; the valve rod penetrates the upper cover and the valve cover sequentially and connects to the ball body; a sealing element is arranged between the upper cover and the valve rod and between the valve cover and the valve rod; the ball body includes a medium channel; a hermetically-sealed cooling cavity encircles the outside of the medium channel of the ball body; a through hole allowing cooling liquid to pass through to the cooling cavity is formed in the valve rod. An accommodating cavity is arranged in the ball body; the through communicates with the accommodating cavity, so that cooling liquid can be introduced to a product when the valve operates at an ultra-high temperature.
    Type: Application
    Filed: October 30, 2013
    Publication date: September 15, 2016
    Inventors: Rongshui YANG, Jingpan SU, Meilin HUANG, Yongxi LI, Aiyi HUANG, Hu JIN, Guangwu XIANG, Zhongyuan WANG, Fei NAN, Huaimin WU, Wei XIANG