AXIAL SWIRLER CENTRAL INJECTION CARBURETOR

摘要

An improved gas turbine engine fuel carbureting device includes a low pressure fuel tube for delivering fuel to a region located downstream of a cascade of axial, primary swirl vanes. The tip of the fuel tube may be fluted so as to impart swirl to the fuel emanating from radial holes located therein. The primary swirl vanes act to energize the fuel and deposit it on the inner surface of a venturi shroud, which provides a throat section downstream of the fuel tube. A cascade of counterswirl vanes surround the venturi shroud and provide a region of high shear forces which act to finely atomize fuel swirling out of the venturi shroud.