Patent ID: 8800289
Filing Date: 2014-08-12
Classification: F01D,F23R

Abstract:
1. A fuel nozzle, comprising: a top divider plate extending radially across a diameter of an annular shroud; a middle divider plate axially spaced from the top divider plate and circumscribed within the shroud, wherein the top divider plate, the middle divider plate and the outer shroud at least partially define a fuel plenum; a bottom divider plate axially spaced from the middle divider plate, wherein the bottom divider plate, the middle divider plate and the shroud at least partially define an air plenum; a plurality of primary fuel channels which extend axially through the air plenum from the middle divider plate at least partially through the bottom divider plate, each primary fuel channel having an inlet in fluid communication with the fuel plenum; and a plurality of secondary fuel channels arranged in an annular array around the plurality of primary fuel channels, wherein the secondary fuel channels comprises a plurality of tubes which extend through the top divider plate, the fuel plenum and the bottom divider plate.