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US08640463B2 Swirler for gas turbine engine fuel injector 有权
涡轮发动机燃油喷射器

Swirler for gas turbine engine fuel injector
Abstract:
A swirler for fuel injection in a gas turbine engine includes a frustoconical swirler body. A first and a second air flow path direct air in generally opposed circumferential directions into the swirler. These air paths intermix and create turbulence. As this turbulence encounters fuel droplets, the fuel is atomized, and uniformly distributed within the air flow. A shear layer is created adjacent an inner surface of the swirler body. In a separate feature, a third air flow path is directed into the air.
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