Patents by Inventor Frederick Steinbauer, Jr.

Frederick Steinbauer, Jr. 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).

  • Hollow airfoil for a gas turbine engine
    Patent number: 6164912
    Abstract: A hollow airfoil is provided which includes a body having an external wall and an internal cavity. The external wall includes a suction side portion and a pressure side portion. The portions extend chordwise between a leading edge and a trailing edge and spanwise between an inner radial surface and an outer radial surface. A stagnation line extends along the leading edge. A plurality of cooling apertures, disposed spanwise along the leading edge. According to one aspect of the present invention, the apertures extend through the external wall along a helical path. According to another aspect of the present invention, the apertures are alternately directed towards the suction side portion and the pressure side portions of the airfoil.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: December 26, 2000
    Assignee: United Technologies Corporation
    Inventors: Martin G. Tabbita, James P. Downs, Friedrich O. Soechting, Thomas A. Auxier, Frederick Steinbauer, Jr.