Patents by Inventor W. Barry Wagner

W. Barry Wagner 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).

  • Patent number: 4977740
    Abstract: A fuel injector 28 for gaseous and liquid fuel is disclosed. Various construction details are developed to enhance mixing and reduce nitrogen oxide emissions in a compact design. In one embodiment of the invention, the fuel nozzle 28 includes two radially spaced passages 68, 104 for air having swirlers 86, 112 and a liquid fuel passage 57 disposed between the air passages and a gaseous fuel passage 116 outwardly of the outermost air passage. In one detailed embodiment, a center body 76 is disposed in the inner air chamber to promote re-ciruclation of the hot gases.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: December 18, 1990
    Assignee: United Technologies Corporation
    Inventors: Thomas J. Madden, Barry C. Schlein, W. Barry Wagner