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PREMIXING DEVICE FOR ENHANCED FLAMEHOLDING AND FLASH BACK RESISTANCE

United States Patent Application

20090139236
A1
View the Complete Application at the US Patent & Trademark Office
A premixing device is provided. The premixing device includes a fuel inlet configured to introduce a fuel within the premixing device and an air inlet configured to introduce air within the premixing device. The premixing device also includes a plurality of swirler vanes configured to provide a swirl movement to the fuel and/or air to facilitate mixing of the fuel and air to form a gaseous pre-mix, wherein a shape of each of the plurality of swirler vanes is selected to control an axial velocity profile of the fuel and/or air within the premixing device.
Yilmaz, Ertan (Albany, NY), Varatharajan, Balachandar (Clifton Park, NY), Kraemer, Gilbert Otto (Greer, SC), Lacy, Benjamin Paul (Greer, SC), Zuo, Baifang (Simpsonville, SC)
GENERAL ELECTRIC COMPANY (SCHENECTADY NY)
11/ 946,892
November 29, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT [0001] This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.