Pilot premix nozzle and fuel nozzle assembly
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United States of America Patent
Stats
-
Oct 15, 2019
Grant Date -
Dec 21, 2017
app pub date -
Jun 21, 2016
filing date -
Jun 21, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A premix pilot nozzle is disclosed herein. The premix pilot nozzle includes a nozzle body. The nozzle body includes a forward wall, an aft wall, an outer band that extends between the forward wall and the aft wall and a tip portion that extends axially downstream from the aft wall. The nozzle body further defines a fuel inlet plenum that extends coaxially within the nozzle body, a fuel distribution plenum that is defined within the nozzle body radially outwardly from and in fluid communication with the fuel inlet plenum, a plurality of premix passages that extend helically around the fuel inlet plenum within the fuel distribution plenum and a plurality of air passages annularly arranged around the plurality of premix passages. One or more premix passages of the plurality of premix passages are in fluid communication with the fuel distribution plenum.
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