Patents by Inventor YUGUO NIU

YUGUO NIU 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: 10480551
    Abstract: The present invention relates to an oil tank ventilation device for a hydraulic brake unit of a tramcar, comprising a vent plug, a sealing ring, a gas guide hole and a gas guide pipe; the gas guide hole is a through-hole structure arranged at an upper end inside an integrated valve block; the communications of electrical element protection case, integrated valve block and the oil tank are realized by the gas guide pipe stretched into an air chamber of the oil tank and by the vent plug configured in the electrical element protection case. When the surface of the oil tank is covered with ice or snow, the rain or snow can be effectively prevent from falling on the vent plug body and the driving safety of the train is ensured.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: November 19, 2019
    Assignee: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
    Inventors: Baolei Hao, Changjun Gao, Mingxing Wang, Feng Miao, Lei Cui, Xiaowei Zhang, Yuguo Niu
  • Publication number: 20170292544
    Abstract: The present invention relates to an oil tank ventilation device for a hydraulic brake unit of a tramcar, comprising a vent plug, a sealing ring, a gas guide hole and a gas guide pipe; the gas guide hole is a through-hole structure arranged at an upper end inside an integrated valve block; the communications of electrical element protection case, integrated valve block and the oil tank are realized by the gas guide pipe stretched into an air chamber of the oil tank and by the vent plug configured in the electrical element protection case. When the surface of the oil tank is covered with ice or snow, the rain or snow can be effectively prevent from falling on the vent plug body and the driving safety of the train is ensured.
    Type: Application
    Filed: May 6, 2016
    Publication date: October 12, 2017
    Inventors: BAOLEI HAO, CHANGJUN GAO, MINGXING WANG, FENG MIAO, LEI CUI, XIAOWEI ZHANG, YUGUO NIU