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Systems and Methods for Preventing Flashback in a Combustor Assembly

United States Patent Application

*** PATENT GRANTED ***
20130239581
9,303,874
A1
View the Complete Application at the US Patent & Trademark Office
Embodiments of the present application include a combustor assembly. The combustor assembly may include a combustion chamber, a first plenum, a second plenum, and one or more elongate air/fuel premixing injection tubes. Each of the elongate air/fuel premixing injection tubes may include a first length at least partially disposed within the first plenum and configured to receive a first fluid from the first plenum. Moreover, each of the elongate air/fuel premixing injection tubes may include a second length disposed downstream of the first length and at least partially disposed within the second plenum. The second length may be formed of a porous wall configured to allow a second fluid from the second plenum to enter the second length and create a boundary layer about the porous wall.
Johnson, Thomas Edward (Greenville, SC), Ziminsky, Willy Steve (Greenville, SC), Stevenson, Christian Xavier (Greenville, SC)
GENERAL ELECTRIC COMPANY (Schenectady NY)
13/ 423,854
March 19, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in this invention.