Patents Assigned to Allison Advanced Development Comapny
  • Casting core and method of casting a gas turbine engine component
    Patent number: 6557621
    Abstract: An integral ceramic casting core includes a base portion with a plurality of rods extending therefrom and a plurality of apertures formed therein. The base portion defines a passageway for the passage of a cooling media within a cast component. The plurality of rods forming cooling media inlet passages to the passageway and the plurality of apertures are adapted to receive molten metal therein and form heat transfer pedestals within the passageway.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: May 6, 2003
    Assignees: Allison Advanced Development Comapny, Rolls-Royce Corporation
    Inventors: Douglas D. Dierksmeier, Jeffrey A. Ruppel