Pre-filming air-blast fuel injector having a reduced hydraulic spray angle
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United States of America Patent
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Issued Date -
Oct 15, 2009
app pub date -
Apr 11, 2008
filing date -
Apr 11, 2008
priority date (Note) -
Abandoned
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Abstract
An air-blast fuel injector is disclosed that includes an on-axis inner air circuit, a fuel circuit radially outboard of the inner air circuit, the fuel circuit having an axially converging pre-filming chamber and an axially diverging pre-filming surface extending from the pre-filming chamber to an exit annulus and an outer air circuit radially outboard of the fuel circuit communicating with the exit annulus of the axially diverging pre-filming surface.
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