Patents by Inventor MING-HUA DUAN

MING-HUA DUAN 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).

  • Publication number: 20230345636
    Abstract: A fixing auxiliary device includes a support frame, an elastic member, and a plurality of first support members. The first support member includes a first segment, a second segment, and a third segment which are connected in sequence. The third segment is detachably connected to the support frame, the first segment is configured to extend into a first component. An end of the second segment facing away from the third segment includes a first stop surface configured for stopping the first component from moving towards the support frame. The elastic member is configured to provide an elastic force to a second component to press against the support frame.
    Type: Application
    Filed: April 21, 2023
    Publication date: October 26, 2023
    Inventors: MING-HUA DUAN, YA-NI ZHANG, HAN-YU LI
  • Patent number: 11665838
    Abstract: An outer box includes an outer case including a rear wall; and a fixing device fixed on the rear wall. The fixing device includes a first fixing member, a second fixing member, at least two fixing rods, and at least two fastening members. The first fixing member is fixed on the rear wall. The at least two fixing rods are connected with the first fixing member. At least one of the at least two fixing rods is slidably connected with the first fixing member. The second fixing member is slidably arranged on the at least two fixing rods, the at least two fastening members are fixed with the at least two fixing rods respectively so as to limit the movement of the second fixing member along the at least two fixing rods.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: May 30, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventors: Ya-Ni Zhang, Han-Yu Li, Ming-Hua Duan
  • Patent number: 11266032
    Abstract: An outer case includes an upper case, a lower case, and a plurality of guiding structures. The lower case includes a bottom wall defining a plurality of through holes. The guiding structures are arranged on the bottom wall. Each of the guiding structures includes a first guiding plate and a second guiding plate, the first guiding plate includes a first connecting part and a first blocking part connected with the first connecting part, the second guiding plate includes a second connecting part and a second blocking part connected with the second connecting part, the first connecting part and the second connecting part face each other. The first blocking part is suspended on the bottom wall through the first connecting part, the second blocking part is suspended on the bottom wall through the second connecting part, the first blocking part and the second blocking part are staggered.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: March 1, 2022
    Assignee: HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO., LTD.
    Inventors: Ya-Ni Zhang, Ming-Hua Duan, Han-Yu Li
  • Publication number: 20210378142
    Abstract: A server with a cooling system which can maintain a constant and preferred operating temperature for the server includes a computer and a heat dissipation device for dissipating heat generated by the computer. The heat dissipation device includes a liquid tank and a heat exchange device. The liquid tank defines an accommodating cavity for accommodating non-conductive cooling liquid and the computer. The heat exchange device is connected to the liquid tank to exchange heat with the non-conductive cooling liquid in the liquid tank.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Inventors: YA-NI ZHANG, ZHAO-HUI ZHEN, MING-HUA DUAN, JIA-HONG WU
  • Publication number: 20210195773
    Abstract: An outer case includes an upper case, a lower case, and a plurality of guiding structures. The lower case includes a bottom wall defining a plurality of through holes. The guiding structures are arranged on the bottom wall. Each of the guiding structures includes a first guiding plate and a second guiding plate, the first guiding plate includes a first connecting part and a first blocking part connected with the first connecting part, the second guiding plate includes a second connecting part and a second blocking part connected with the second connecting part, the first connecting part and the second connecting part face each other. The first blocking part is suspended on the bottom wall through the first connecting part, the second blocking part is suspended on the bottom wall through the second connecting part, the first blocking part and the second blocking part are staggered.
    Type: Application
    Filed: May 26, 2020
    Publication date: June 24, 2021
    Inventors: YA-NI ZHANG, MING-HUA DUAN, HAN-YU LI
  • Publication number: 20210195769
    Abstract: An outer box includes an outer case including a rear wall; and a fixing device fixed on the rear wall. The fixing device includes a first fixing member, a second fixing member, at least two fixing rods, and at least two fastening members. The first fixing member is fixed on the rear wall. The at least two fixing rods are connected with the first fixing member. At least one of the at least two fixing rods is slidably connected with the first fixing member. The second fixing member is slidably arranged on the at least two fixing rods, the at least two fastening members are fixed with the at least two fixing rods respectively so as to limit the movement of the second fixing member along the at least two fixing rods.
    Type: Application
    Filed: June 8, 2020
    Publication date: June 24, 2021
    Inventors: YA-NI ZHANG, HAN-YU LI, MING-HUA DUAN