Patents by Inventor David A. Debyah

David A. Debyah 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: 8985942
    Abstract: An exhaust duct comprises a shroud body, a forward flange assembly, an aft flange assembly, an intermediate flange assembly, and a first plurality of bleed ports. The forward flange assembly extends radially inward from a forward shroud end for securing the forward shroud end downstream of a final turbine stage. The aft flange assembly extends circumferentially around and radially inward from an aft shroud end for securing the aft shroud end to an engine tail cone. The intermediate flange assembly is disposed forward of the aft flange assembly, and extends circumferentially around and radially inward from the shroud body for securing the shroud body to an engine bearing housing. The first plurality of bleed ports is disposed around the shroud body forward of a junction with the intermediate flange.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: March 24, 2015
    Assignee: United Technologies Corporation
    Inventors: William A. Daniels, John J. Korzendorfer, David A. Debyah, Scott A. Ladd
  • Publication number: 20140003922
    Abstract: An exhaust duct comprises a shroud body, a forward flange assembly, an aft flange assembly, an intermediate flange assembly, and a first plurality of bleed ports. The forward flange assembly extends radially inward from a forward shroud end for securing the forward shroud end downstream of a final turbine stage. The aft flange assembly extends circumferentially around and radially inward from an aft shroud end for securing the aft shroud end to an engine tail cone. The intermediate flange assembly is disposed forward of the aft flange assembly, and extends circumferentially around and radially inward from the shroud body for securing the shroud body to an engine bearing housing. The first plurality of bleed ports is disposed around the shroud body forward of a junction with the intermediate flange.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 2, 2014
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: William A. Daniels, John J. Korzendorfer, David A. Debyah, Scott A. Ladd