Patents by Inventor Junfeng NIE

Junfeng NIE 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: 11887740
    Abstract: The present application relates to an unloading and temporary storage device. The unloading and temporary storage device includes a stock bin, a stock bin external member, a stock bin internal member, a shielding module and a loading module; the stock bin includes a barrel and a tank body; the stock bin external member includes a cooling water jacket; the stock bin internal member includes a straight bin, an inclined bin and an unloading bin that communicate sequentially; the shielding module includes an external shield and a neutron shield; the loading module includes a loading body; and sphere inlet passages are provided in the loading body. The unloading and temporary storage device can perform the functions of receiving, temporarily storing, atmosphere switching, and unloading of spherical elements, and also has the safety functions of ensuring geometrical integrity of the spherical elements, radiological protection and residual heat removal.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: January 30, 2024
    Assignee: CHINERGY CO., LTD.
    Inventors: Haiquan Zhang, Junfeng Nie, Zuoyi Zhang, Hongke Li, Xin Wang, Jiguo Liu, Yujie Dong
  • Patent number: 11661282
    Abstract: The present application relates to a spherical object falling buffer device including a flow-limiting pipe assembly and a central column assembly; wherein the flow-limiting pipe assembly includes a flow-limiting pipe, a redirecting joint and a sphere outlet pipe; a diameter of the flow-limiting pipe is greater than that of the sphere outlet pipe, and an inner surface of the redirecting joint is a conical surface; the central column assembly includes at least a central column arranged in the flow-limiting pipe; a flow-guiding region is provided between the flow-limiting pipe and the central column, and a plurality of gravity flow guide grooves are provided on an outer peripheral surface of the central column. The spherical object falling buffer device may restrict, guide and buffer spherical objects during falling, and avoids collision damage of the spherical objects or the stock bin due to the excessive falling speed of the spherical objects.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: May 30, 2023
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Haiquan Zhang, Junfeng Nie, Xin Wang, Hongke Li, Zuoyi Zhang, Yujie Dong
  • Patent number: 11551825
    Abstract: The present disclosure relates to the field of reactor engineering technologies, and particularly to a spherical element detecting and positioning device. The spherical element detecting and positioning device includes a pressure-bearing casing, an internal member and an execution part; the pressure-bearing casing includes a tank body, one sphere inlet adapter pipe and two sphere outlet adapter pipe respectively arranged on the tank body; the internal member is arranged in the rotor counter-bored hole and includes a lining ring and a limit ring; and the execution part includes a turntable and two support lugs.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: January 10, 2023
    Assignee: Tsinghua University
    Inventors: Haiquan Zhang, Junfeng Nie, Xin Wang, Hongke Li, Liguo Zhang, Jiguo Liu, Zuoyi Zhang, Yujie Dong
  • Publication number: 20210296014
    Abstract: The present disclosure relates to the field of reactor engineering technologies, and particularly to a spherical element detecting and positioning device. The spherical element detecting and positioning device includes a pressure-bearing casing, an internal member and an execution part; the pressure-bearing casing includes a tank body, one sphere inlet adapter pipe and two sphere outlet adapter pipe respectively arranged on the tank body; the internal member is arranged in the rotor counter-bored hole and includes a lining ring and a limit ring; and the execution part includes a turntable and two support lugs.
    Type: Application
    Filed: September 19, 2019
    Publication date: September 23, 2021
    Inventors: Haiquan ZHANG, Junfeng NIE, Xin WANG, Hongke LI, Liguo ZHANG, Jiguo LIU, Zuoyi ZHANG, Yujie DONG
  • Publication number: 20210272712
    Abstract: The present application relates to an unloading and temporary storage device. The unloading and temporary storage device includes a stock bin, a stock bin external member, a stock bin internal member, a shielding module and a loading module; the stock bin includes a barrel and a tank body; the stock bin external member includes a cooling water jacket; the stock bin internal member includes a straight bin, an inclined bin and an unloading bin that communicate sequentially; the shielding module includes an external shield and a neutron shield; the loading module includes a loading body; and sphere inlet passages are provided in the loading body. The unloading and temporary storage device can perform the functions of receiving, temporarily storing, atmosphere switching, and unloading of spherical elements, and also has the safety functions of ensuring geometrical integrity of the spherical elements, radiological protection and residual heat removal.
    Type: Application
    Filed: July 31, 2019
    Publication date: September 2, 2021
    Inventors: Haiquan ZHANG, Junfeng NIE, Zuoyi ZHANG, Hongke LI, Xin WANG, Jiguo LIU, Yujie DONG
  • Publication number: 20210261341
    Abstract: The present application relates to a spherical object falling buffer device including a flow-limiting pipe assembly and a central column assembly; wherein the flow-limiting pipe assembly includes a flow-limiting pipe, a redirecting joint and a sphere outlet pipe; a diameter of the flow-limiting pipe is greater than that of the sphere outlet pipe, and an inner surface of the redirecting joint is a conical surface; the central column assembly includes at least a central column arranged in the flow-limiting pipe; a flow-guiding region is provided between the flow-limiting pipe and the central column, and a plurality of gravity flow guide grooves are provided on an outer peripheral surface of the central column. The spherical object falling buffer device may restrict, guide and buffer spherical objects during falling, and avoids collision damage of the spherical objects or the stock bin due to the excessive falling speed of the spherical objects.
    Type: Application
    Filed: November 27, 2019
    Publication date: August 26, 2021
    Applicant: TSINGHUA UNIVERSITY
    Inventors: Haiquan ZHANG, Junfeng NIE, Xin WANG, Hongke LI, Zuoyi ZHANG, Yujie DONG
  • Publication number: 20210151210
    Abstract: The present application relates to the field of mechanical engineering technologies, and particularly to an unloading device. The unloading device includes a power mechanism, a transmission mechanism, and an execution mechanism that are connected in sequence from top to bottom; wherein the execution mechanism includes a shafting assembly and a turntable assembly that are connected in sequence from top to bottom; wherein the turntable assembly includes an upper auxiliary fence, a middle main disturbance disk, and a lower reclaiming portion that are arranged in sequence from top to bottom. The unloading device provided by the present application is easy to control, and ensures the reclaiming reliability of the spherical materials and the stability of the sphere flow unloading, which can meet the requirements of long life and reliable operation of the unloading device under light load and low speed working conditions and achieve the convenient maintenance.
    Type: Application
    Filed: July 31, 2019
    Publication date: May 20, 2021
    Applicant: Tsinghua University
    Inventors: Haiquan ZHANG, Zuoyi ZHANG, Junfeng NIE, Hongke LI, Xin WANG, Jiguo LIU, Yujie DONG