Patents Assigned to Xi'an Aerospace Yuanzheng Fluid Control Co. Ltd
  • Four valve disc frictionless ball valve
    Patent number: 11009135
    Abstract: A four valve disc frictionless ball valve includes a spherical valve core assembly, wherein the spherical valve core assembly includes a wedge-shaped valve core. A closed-position valve disc is respectively installed on a pair of closed-position wedge-shaped sides. A closed-position guide key is respectively arranged at the middle positions of the pair of closed-position wedge-shaped sides along an axial direction. A closed-position guide groove is arranged on each closed-position valve disc along the axial direction. An open-position valve disc is respectively installed on a pair of open-position wedge-shaped sides. An open-position guide key is respectively arranged at the middle positions of the pair of open-position wedge-shaped sides along the axial direction. An open-position guide groove is arranged on each open-position valve disc along the axial direction.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: May 18, 2021
    Assignees: South China Company, China Oil & Gas pipeline Network corporation, Xi'an Aerospace Yuanzheng Fluid Control Co. Ltd
    Inventors: Zhongshan Tian, Jun Yuan, Shaochuan Lai, Bo Wang, Changqun Yang, Yulong Feng, Long Zhong, Zhenning Yang
  • FOUR VALVE DISC FRICTIONLESS BALL VALVE
    Publication number: 20200240528
    Abstract: A four valve disc frictionless ball valve includes a spherical valve core assembly, wherein the spherical valve core assembly includes a wedge-shaped valve core. A closed-position valve disc is respectively installed on a pair of closed-position wedge-shaped sides. A closed-position guide key is respectively arranged at the middle positions of the pair of closed-position wedge-shaped sides along an axial direction. A closed-position guide groove is arranged on each closed-position valve disc along the axial direction. An open-position valve disc is respectively installed on a pair of open-position wedge-shaped sides. An open-position guide key is respectively arranged at the middle positions of the pair of open-position wedge-shaped sides along the axial direction. An open-position guide groove is arranged on each open-position valve disc along the axial direction.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 30, 2020
    Applicants: SINOPEC MARKETING SOUTH CHINA COMPANY, Xi'an Aerospace Yuanzheng Fluid Control Co. Ltd
    Inventors: Zhongshan TIAN, Jun YUAN, Shaochuan LAI, Bo WANG, Changqun YANG, Yulong FENG, Long ZHONG, Zhenning YANG