Patent ID: 7677472

Claim:
A secondary fuel nozzle assembly comprising: A core portion having proximal and distal longitudinal ends, a central bore extending therethrough from said proximal end to said distal end for receiving a liquid fuel cartridge, and at least two passages concentric with said central bore and extending axially in parallel to said central bore along at least a part of the length thereof to said distal end; and a unitary secondary fuel nozzle portion, the secondary fuel nozzle portion including a base flange, and a main shaft having a central bore for aligning with the central bore of the core portion and for receiving the liquid fuel cartridge, and a plurality of peripheral, axially extending bores where each bore is disposed at a respective circumferentially spaced location about and extending in parallel to the central bore of the secondary fuel nozzle portion for flow communication at a proximal end thereof with at least one of said concentric passages of the core portion at the distal end of the core portion, wherein said core portion and said one piece secondary fuel nozzle portion are integrated into a one-piece assembly by being at least one of brazed and welded together.