Dual-fuel fuel nozzle with liquid fuel tip
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United States of America Patent
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Jun 30, 2020
Grant Date -
Sep 20, 2018
app pub date -
Mar 16, 2017
filing date -
Mar 16, 2017
priority date (Note) -
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Abstract
A dual-fuel fuel nozzle includes a centerbody that at least partially defines an air plenum therein. A tip body is disposed at a downstream end of the centerbody. The tip body includes an upstream side that is axially spaced from a downstream side. The downstream side defines a circular slot and a circular recess that is positioned radially inwardly from the circular slot. The circular recess includes a floor and a side wall, The floor defines an insert opening and the side wall defines an annular groove that includes an undercut surface. The tip body further defines a plurality of orifices annularly arranged around the insert opening radially inward from the side wall of the circular recess. Each orifice includes an inlet that is in fluid communication with the air plenum and an outlet that is oriented towards the undercut surface.
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