Patents by Inventor Michael Edward McCann

Michael Edward McCann 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).

  • Dovetail surface enhancement for durability
    Patent number: 7516547
    Abstract: A gas turbine engine blade having a dovetail with an enhanced surface for durability is disclosed. The blade includes an airfoil section and a dovetail section disposed opposite the airfoil section. The dovetail section has an outer surface, at least a portion of which has residual compressive stresses resulting from a plurality of peening operations. The dovetail section also includes a copper-nickel-indium wear coating layer disposed over the outer surface having residual compressive stresses and a lubricant coating layer disposed over the copper-nickel-indium wear coating layer, wherein the lubricant coating layer is lead-free.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: April 14, 2009
    Assignee: General Electric Company
    Inventors: Michael Edward McCann, Sang Y Park