Patent ID: 8973368
Filing Date: 2015-03-10
Classification: F23C,F23R

Abstract:
1. A mixer assembly for a gas turbine engine comprising: a main mixer comprising: an annular inner radial wall; an annular outer radial wall surrounding at least a portion of the annular inner radial wall, wherein the annular outer radial wall incorporates a first outer radial wall swirler with a first axis oriented substantially radially to a centerline axis of the mixer assembly; a forward wall extending primarily radially outward with respect to the first axis and connecting the annular inner radial wall and the annular outer radial wall, the inner radial wall, forward wall, and outer radial wall forming a single annular cavity therebetween, wherein the forward wall incorporates a first forward wall swirler with a second axis oriented substantially axially to the centerline axis of the mixer assembly; and a plurality of fuel injection holes in the forward wall between the first outer radial wall swirler and the first forward wall swirler, the fuel injection holes oriented to inject a fuel into the main mixer, wherein the fuel is atomized and dispersed by the airflow from the first forward wall swirler and is subsequently atomized and dispersed by the airflow from the first outer radial wall swirler, wherein the first outer radial wall swirler is on a first side of the plurality of fuel injection holes and the first forward wall swirler is on a second side of the plurality of fuel injection holes, the first side being opposite the second side.