Gas turbine engine rotary injection system and method
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United States of America Patent
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Jul 1, 2014
Grant Date -
Feb 10, 2011
app pub date -
Apr 9, 2009
filing date -
Apr 9, 2008
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Abstract
A rotary injector (95, 222) comprising one or more radially-extending arms (93) provides for injecting fuel (12, 12.1, 12.4) into a combustion chamber (16). The combustion chamber (16) receives air (14) from locations upstream and down-stream of the rotary injector (95, 222), and the arms (93) of the rotary injector (95, 222) are adapted so that a pressure (P2) in the combustion chamber (16) upstream of the rotary injector (95, 222) is less than a pressure (P0) in a plenum (212) supplying air (14) to the combustion chamber (16) upstream of the rotary injector (95, 222).
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