Importance

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Abstract

A fuel nozzle for injecting atomized fuel inot an air stream at an adjustable angle with respect to its longitudinal axis is described incorporating a support flange, a fuel supply tube, a nozzle tip body at the end of the fuel supply tube and a sheath between the support flange and the nozzle tip body for directing air to the nozzle tip body. A second sheath enclosing the first sheath is provided wherein each has a slot opening which may be positioned with respect to the support flange for admitting air into and where the size of the opening may be controlled by rotating the outer sheath with respect to the inner sheath to provide an adjustable overlap of the slot openings. The invention overcomes the problem of injecting fuel into the combustor of a jet engine at an angle which may be adjustable over a predetermined range to enhance combustion of the fuel. The invention further overcomes the problem of injecting or capturing a predetermined amount of compressor discharge air for subsequent flow to the nozzle tip.

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First Claim