Patents by Inventor George H. Kirby, III

George H. Kirby, III 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).

  • Steam feed hole for retractable packing segments in rotary machines
    Patent number: 6715766
    Abstract: A packing segment for an annular seal ring assembly for use in a hot gas path of a turbomachine, includes a sealing face mounting a plurality of axially spaced sealing teeth; a necked-in center portion radially outward of the sealing face; and a mounting portion radially outward of the center portion. At least one steam feed hole extends angularly from a radially outermost face of the segment to a location along a side of the center portion such that, in use, at least a portion of the feed hole is exposed to hot gas in the hot gas path for flow through the feed hole to a cavity behind the segment.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: April 6, 2004
    Assignee: General Electric Company
    Inventors: George H. Kirby, III, Richard Chevrette, Matthew Patrick Boespflug