Patents by Inventor John N. Strain

John N. Strain 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).

  • Gas turbine engine sealing structure
    Patent number: 8821114
    Abstract: A turbine section having a plurality flow path components forming a plurality of guide vane rings and ring segments arranged in axial succession to define a boundary of a hot gas duct. A vane carrier located around the gas duct, and sealing elements extend radially between circumferentially extending grooves in the vane carrier and respective grooves in the flow path components. The sealing elements include radially inner and outer edges, and at least one axially facing side defining a chamfered portion extending to one of the edges to accommodate axial movement of the sealing element about the one edge within a respective groove.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: September 2, 2014
    Assignee: Siemens Energy, Inc.
    Inventors: Gennadiy Afanasiev, John N. Strain, Robert W. Sunshine, Robert D. Barker
  • GAS TURBINE ENGINE SEALING STRUCTURE
    Publication number: 20110299978
    Abstract: A turbine section having a plurality flow path components forming a plurality of guide vane rings and ring segments arranged in axial succession to define a boundary of a hot gas duct. A vane carrier located around the gas duct, and sealing elements extend radially between circumferentially extending grooves in the vane carrier and respective grooves in the flow path components. The sealing elements include radially inner and outer edges, and at least one axially facing side defining a chamfered portion extending to one of the edges to accommodate axial movement of the sealing element about the one edge within a respective groove.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 8, 2011
    Inventors: Gennadiy Afanasiev, John N. Strain, Robert W. Sunshine, Robert D. Barker