Patents by Inventor Nelson Gibbens

Nelson Gibbens 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).

  • Publication number: 20070130912
    Abstract: A bleed duct is configured for bleeding fan air from the fan bypass duct in a turbofan aircraft engine. The bleed duct includes a tubular conduit having an inlet and outlet at opposite ends. The conduit is configured in flow area for recovering pressure from speeding fan air bled therethrough. A shroud extends forwardly from the duct inlet for suppressing dynamic pressure oscillations inside the conduit without degrading the pressure recovery.
    Type: Application
    Filed: December 8, 2005
    Publication date: June 14, 2007
    Inventors: Robert Kraft, Nelson Gibbens, Rolf Hetico, William Groll, William Bailey, James Stoker