CPC F23R 3/343 (2013.01) [F23R 3/14 (2013.01); F23R 3/286 (2013.01); F23R 3/28 (2013.01)] | 19 Claims |
1. A combustor nozzle assembly comprising:
a central nozzle tube;
an inner nozzle tube surrounding the central nozzle tube in a spaced-apart state;
an outer nozzle tube surrounding the inner nozzle tube in a spaced-apart state;
a pilot fuel injector provided between the central nozzle tube and the inner nozzle tube; and
a main fuel injector provided between the inner nozzle tube and the outer nozzle tube,
wherein the pilot fuel injector comprises:
a pilot annular ring disposed between the central nozzle tube and the inner nozzle tube; and
a plurality of pilot struts extending radially from the central nozzle tube toward the pilot annular ring,
wherein the pilot annular ring includes a plurality of first fuel injection holes along a circumferential direction thereof.
|