Patents Represented by Attorney James Davidson
  • Patent number: 7581396
    Abstract: A mixer assembly for use in a combustor of a gas turbine engine, including a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and the main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing. The main mixer further includes a main housing surrounding the pilot housing and defining an annular cavity, a plurality of fuel injection ports for introducing fuel into the cavity, and a swirler arrangement including at least three swirlers positioned upstream from the plurality of fuel injection ports, wherein each swirler of the swirler arrangement has a plurality of vanes for swirling air traveling through the respective swirler to mix air and the droplets of fuel dispensed by the fuel injection ports.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: September 1, 2009
    Assignee: General Electric Company
    Inventors: Shih-Yang Hsieh, George Chia-Chun Hsiao, Shui-Chi Li, Hukam Chand Mongia