Dual fuel gas turbine engine pilot nozzles
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United States of America Patent
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Dec 19, 2023
Grant Date -
Sep 28, 2023
app pub date -
Jan 19, 2023
filing date -
Dec 21, 2017
priority date (Note) -
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Abstract
A pilot nozzle for a dual fuel turbine engine includes an inner air circuit, a gaseous fuel circuit radially outward from the inner air circuit, a liquid fuel circuit radially outward from the inner air circuit, an outer air circuit radially outward from the liquid fuel circuit and the gaseous fuel circuit, and a shroud radially outward from the outer air circuit. The shroud is configured to stabilize a pilot re-circulation zone downstream from outlets of the inner and outer air circuits and the liquid and gaseous fuel circuits.
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