Patents by Inventor Jeremy T. Marshall

Jeremy T. Marshall 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).

  • System and method for reducing blade hook stress in a turbine blade
    Patent number: 12055069
    Abstract: A turbine assembly includes a rotating blade including a T-root. The T-root defines a first engagement surface that is cylindrical, a rotor including a blade groove arranged to receive the rotating blade, the blade groove including a neck portion that defines a second engagement surface and a neck surface that is normal to and intersects the second engagement surface. The second engagement surface is cylindrical, and a relief groove is formed in the neck surface and positioned adjacent the second engagement surface.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: August 6, 2024
    Assignee: Siemens Energy, Inc.
    Inventors: Roger W. Heinig, Jeremy P. Jasikiewicz, Jeremy T. Marshall, Paul Vezzetti
  • SYSTEM AND METHOD FOR REDUCING BLADE HOOK STRESS IN A TURBINE BLADE
    Publication number: 20240093615
    Abstract: A turbine assembly includes a rotating blade including a T-root. The T-root defines a first engagement surface that is cylindrical, a rotor including a blade groove arranged to receive the rotating blade, the blade groove including a neck portion that defines a second engagement surface and a neck surface that is normal to and intersects the second engagement surface. The second engagement surface is cylindrical, and a relief groove is formed in the neck surface and positioned adjacent the second engagement surface.
    Type: Application
    Filed: August 23, 2023
    Publication date: March 21, 2024
    Inventors: Roger W. Heinig, Jeremy P. Jasikiewicz, Jeremy T. Marshall, Paul Vezzetti