Swirler configurations for combustor nozzles and related method

Details Swirler configurations for combustor nozzles and related method Swirler configurations for combustor nozzles and related method

2006-11-21

2006-11-21

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S737000, C060S748000, C060S747000

Reexamination Certificate

active

07137258

ABSTRACT:
A combustor includes a center nozzle surrounded by a plurality of outer nozzles, the center nozzle and each of the outer nozzles having a fuel passage and an air passage, with a swirler surrounding the fuel passage and having a plurality of vanes projecting radially within the air passage, each vane having a trailing edge arranged at a swirl angle relative to a longitudinal axis of the nozzle, wherein the swirl angle for the swirler in the center nozzle is different than the swirl angle for the swirlers in the plurality of outer nozzles.

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“Dry Low NOx Combustion System for Utility Gas Turbine,” R.M. Washam, General Electric Company, undated.

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