PILOTING ARRANGEMENT, NOZZLE DEVICE, GAS TURBINE ARRANGEMENT AND METHOD
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Feb 12, 2024
filing date -
Feb 14, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A pilot arrangement for a nozzle of a gas turbine, in particular of an aircraft engine, including: a cavity extending along a longitudinal axis for conducting fuel, a narrowest flow cross section of which is larger than a flow cross section of a pilot fuel nozzle, in particular a pilot line. The pilot fuel nozzle, which adjoins the cavity in a downstream direction includes the pilot line and a pilot fuel outlet arranged at the downstream end of the pilot line, the narrowest flow cross section of which is configured to be smaller than that of the cavity. Reliable operation is made possible by virtue of an air opening arranged on the pilot arrangement in flow connection with the cavity so there can be an at least occasional flow of air through at least the cavity and the pilot fuel nozzle during the operation of the gas turbine.
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