Patents by Inventor Chenchen MA

Chenchen MA 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).

  • Tube sheet built-in type structure and spiral-flow type wound tube heat exchanger
    Patent number: 12663217
    Abstract: The present utility model relates to the technical field of heat exchangers, and disclosed are a tube sheet built-in type structure and a spiral-flow type wound tube heat exchanger. The heat exchanger to which the tube sheet built-in type structure is applicable is provided with a housing, and comprises: a tube sheet provided inside the housing, the tube sheet being not in direct contact with the housing. According to the present utility model, the built-in type tube sheet structure is used, the tube sheet is arranged inside the housing, and the tube sheet is not directly connected to the housing, thereby reducing the longitudinal length of the device and the circumferential outreach dimensions of connecting tubes.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: June 23, 2026
    Assignee: ZHENHAI PETROCHEMICAL JIANAN ENGINEERING CO., LTD.
    Inventors: Jiang Tao, Hongliang Ren, Xingmiao Hu, Xianan Zhang, Yuping Li, Chenchen Ma, Shuming Lv
  • TUBE SHEET BUILT-IN TYPE STRUCTURE AND SPIRAL-FLOW TYPE WOUND TUBE HEAT EXCHANGER
    Publication number: 20240200876
    Abstract: The present utility model relates to the technical field of heat exchangers, and disclosed are a tube sheet built-in type structure and a spiral-flow type wound tube heat exchanger. The heat exchanger to which the tube sheet built-in type structure is applicable is provided with a housing, and comprises: a tube sheet provided inside the housing, the tube sheet being not in direct contact with the housing. According to the present utility model, the built-in type tube sheet structure is used, the tube sheet is arranged inside the housing, and the tube sheet is not directly connected to the housing, thereby reducing the longitudinal length of the device and the circumferential outreach dimensions of connecting tubes.
    Type: Application
    Filed: May 14, 2021
    Publication date: June 20, 2024
    Inventors: Jiang TAO, Hongliang REN, Xingmiao HU, Xianan ZHANG, Yuping LI, Chenchen MA, Shuming LV