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Controlled pilot oxidizer for a gas turbine combustor

United States Patent

July 13, 2010
View the Complete Patent at the US Patent & Trademark Office
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A combustor (22) for a gas turbine (10) includes a main burner oxidizer flow path (34) delivering a first portion (32) of an oxidizer flow (e.g., 16) to a main burner (28) of the combustor and a pilot oxidizer flow path (38) delivering a second portion (36) of the oxidizer flow to a pilot (30) of the combustor. The combustor also includes a flow controller (42) disposed in the pilot oxidizer flow path for controlling an amount of the second portion delivered to the pilot.
Laster; Walter R. (Oviedo, FL), Bandaru; Ramarao V. (Greer, SC)
Siemens Energy, Inc. (Orlando, FL)
11/ 173,655
July 1, 2005
STATEMENT OF GOVERNMENT INTEREST This invention was made with U.S. Government support through Government Contract Number DE-FC26-03NT41891 awarded by the Department of Energy, and, in accordance with the terms set forth in said contract, the U.S. Government may have certain rights in the invention.