Patents by Inventor Dennis Scott NELSON

Dennis Scott NELSON 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: 11417435
    Abstract: Various example embodiments are directed towards an improved control drum, as well as systems, apparatuses, and/or methods for operating a nuclear reactor with a plurality of improved control drums. The control drum includes an outer shell, an inner shell, a plurality of tubes, the plurality of tubes including at least one neutron absorbing tube and at least one neutron scattering tube, and at least one baffle plate arranged between the outer shell and the inner shell, the at least one baffle plate including a plurality of perforations, and at least one perforation of the plurality of perforations configured to support a tube of the plurality of tubes.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: August 16, 2022
    Assignee: GE-HITACHI NUCLEAR ENERGY AMERICAS LLC
    Inventor: Dennis Scott Nelson
  • Publication number: 20210202117
    Abstract: Various example embodiments are directed towards an improved control drum, as well as systems, apparatuses, and/or methods for operating a nuclear reactor with a plurality of improved control drums. The control drum includes an outer shell, an inner shell, a plurality of tubes, the plurality of tubes including at least one neutron absorbing tube and at least one neutron scattering tube, and at least one baffle plate arranged between the outer shell and the inner shell, the at least one baffle plate including a plurality of perforations, and at least one perforation of the plurality of perforations configured to support a tube of the plurality of tubes.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 1, 2021
    Applicant: GE-Hitachi Nuclear Energy Americas LLC
    Inventor: Dennis Scott NELSON