Patents by Inventor Daniel Fadgen

Daniel Fadgen 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: 10544866
    Abstract: A circumferential seal for a machine having a rotating shaft is provided. The seal may comprise a metallic mounting element and a ceramic sealing runner. The mounting element may be affixed around the shaft and comprise a base and a mounting member. The mounting member may extend radially outward from the base and axially along the shaft to form a radially inward facing cylindrical surface. The sealing runner may have a radially outward facing surface and be carried by said mounting element in axial and radial alignment by an interference fit between at least a portion of the radially outward facing surface of the runner and at least a portion of the radially inward facing surface of the mounting member.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: January 28, 2020
    Assignee: ROLLS-ROYCE CORPORATION
    Inventor: Daniel Fadgen
  • Publication number: 20190136980
    Abstract: A circumferential seal for a machine having a rotating shaft is provided. The seal may comprise a metallic mounting element and a ceramic sealing runner. The mounting element may be affixed around the shaft and comprise a base and a mounting member. The mounting member may extend radially outward from the base and axially along the shaft to form a radially inward facing cylindrical surface. The sealing runner may have a radially outward facing surface and be carried by said mounting element in axial and radial alignment by an interference fit between at least a portion of the radially outward facing surface of the runner and at least a portion of the radially inward facing surface of the mounting member.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Applicant: Rolls-Royce Corporation
    Inventor: Daniel Fadgen
  • Patent number: 10174845
    Abstract: A circumferential seal for a machine having a rotating shaft is provided. The seal may comprise a metallic mounting element and a ceramic sealing runner. The mounting element may be affixed around the shaft and comprise a base and a mounting member. The mounting member may extend radially outward from the base and axially along the shaft to form a radially inward facing cylindrical surface. The sealing runner may have a radially outward facing surface and be carried by said mounting element in axial and radial alignment by an interference fit between at least a portion of the radially outward facing surface of the runner and at least a portion of the radially inward facing surface of the mounting member.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: January 8, 2019
    Assignee: ROLLS-ROYCE CORPORATION
    Inventor: Daniel Fadgen
  • Publication number: 20170234430
    Abstract: A circumferential seal for a machine having a rotating shaft is provided. The seal may comprise a metallic mounting element and a ceramic sealing runner. The mounting element may be affixed around the shaft and comprise a base and a mounting member. The mounting member may extend radially outward from the base and axially along the shaft to form a radially inward facing cylindrical surface. The sealing runner may have a radially outward facing surface and be carried by said mounting element in axial and radial alignment by an interference fit between at least a portion of the radially outward facing surface of the runner and at least a portion of the radially inward facing surface of the mounting member.
    Type: Application
    Filed: February 6, 2017
    Publication date: August 17, 2017
    Applicant: Rolls-Royce Corporation
    Inventor: Daniel Fadgen