Gas-turbine premix burner
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United States of America Patent
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Jun 17, 2014
Grant Date -
Aug 15, 2013
app pub date -
Feb 5, 2013
filing date -
Feb 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a premix burner of a combustion chamber of a gas turbine with at least one annular duct for supplying air and fuel, including a radially outer and a radially inner combustion chamber wall relative to a burner central axis and with at least one swirler arranged in the duct, said swirler including several flow-guiding elements distributed around the circumference of the duct cross-section, characterized in that at least one radially inner duct wall is provided in the area of the flow-guiding elements with a concave recess of the annular groove type.
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