Patents Assigned to Allison Advanced Development Co.
  • Airfoil for a gas turbine engine and method of manufacture
    Patent number: 6003754
    Abstract: A fabricated gas turbine engine component and method of manufacturing. In one embodiment the component having a structural member with a cover member metalurgically bonded thereto. The bonding of the cover member being controlled by an apparatus that sequentially applies a substantially non-unifrom bonding load across the components radius of curvature. The patterns utilized in the casting process are formed in one embodiment to a precision preformed geometry by a closed die forming operation.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: December 21, 1999
    Assignee: Allison Advanced Development Co.
    Inventor: Jeffrey F. Rhodes