Patents by Inventor David B. Legger

David B. Legger 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).

  • Apparatus for retaining centerbody between adjacent domes of multiple annular combustor employing interference and clamping fits
    Patent number: 5970716
    Abstract: A double annular combustor having concentrically disposed inner and outer annular combustors including an inner dome having an inner portion and an outer portion, an outer dome having an inner portion and an outer portion, wherein the outer dome inner portion is connected to the inner dome outer portion, and a substantially annular centerbody disposed between the inner dome and the outer dome. The centerbody includes a plurality of structurally independent arcuate segments, wherein each centerbody segment is retained in position via an interference fit between a first flange of such centerbody extending downstream and a hook in the inner dome outer portion and/or via a clamping fit of a second flange of the centerbody extending upstream to a flange of the inner dome outer portion.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: October 26, 1999
    Assignee: General Electric Company
    Inventors: James M. Forrester, Gregory A. Cimmarusti, David B. Legger, James N. Cooper, Robert J. Albers