Premixing injector for gas turbine engines
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United States of America Patent
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Jan 18, 2011
Grant Date -
Dec 6, 2007
app pub date -
Jun 1, 2007
filing date -
Jun 1, 2006
priority date (Note) -
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Abstract
A premixing injector for use in gas turbine engines assists in the lean premixed injection of a gaseous fuel/air mixture into the combustor of a gas turbine. The premixing injector is designed to mix fuel and air at high velocities to eliminate the occurrence of flashback of the combustion flame from the reaction zone into the premixing injector. The premixing injector includes choked gas ports, which allow the fuel supply to be decoupled from any type of combustion instability which may arise in the combustor of the gas turbine and internal passages to provide regenerative cooling to the device.
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