Urmila C Reddy

US Patent:

20030121269, Jul 3, 2003

Filed:

Dec 28, 2001

Appl. No.:

10/028937

Inventors:

Warren Mick - Altamont NY, US
Urmila Reddy - Irving TX, US
Robert Iasillo - Glenville NY, US

International Classification:

F02C007/22

US Classification:

060/779000, 060/794000

Abstract:

In a gas turbine having a compressor, a combustor and a turbine, a gaseous fuel supply coupled to provide gaseous fuel to the combustor, a liquid fuel supply coupled to provide liquid fuel to the combustor via nozzle assembly. The nozzle assembly includes a plurality of passageways for flowing a fluid into the combustor, one of the passageways being a fuel passageway conduit interconnect the fuel passageway to one of the plurality of passageways to enable fluid flow therebetween. High pressure air from one of the plurality of passageways is diverted into the fuel passageway via the conduit to protect nozzle from ingestion of hot combustor gases.