COMBUSTOR WITH RADIALLY STAGED PREMIXED PILOT FOR IMPROVED
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United States of America Patent
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app pub date -
Sep 26, 2013
filing date -
Oct 1, 2012
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Abandoned
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Abstract
The present invention discloses a novel apparatus and method for a mixing fuel and air in a gas turbine combustion system. The mixer helps to mix fuel and air while being able to selectively increase the fuel flow to a shear to a shear layer of a pilot flame in order to reduce polluting emissions. The mixer directs a flow of air radially inward into the combustion system and includes two sets of fuel injectors within each radially-oriented vane. A first plurality of fuel injectors operate independent of a second plurality of fuel injectors and the second plurality of fuel injectors are positioned to selectively modulate the fuel flow to the shear layer of the resulting pilot flame.
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