PILOT PREMIX NOZZLE AND FUEL NOZZLE ASSEMBLY

PILOT PREMIX NOZZLE AND FUEL NOZZLE ASSEMBLY

A premix pilot nozzle (114) is disclosed herein. The premix pilot nozzle (114) includes a nozzle body (124). The nozzle body (124) includes a forward wall (126), an aft wall (128), an outer band (130) that extends between the forward wall (126) and the aft wall (128) and a tip portion (132) that ext...

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Hauptverfasser: CHONG, Yon Han, GROOMS, Neal William, HARPER, James
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator CHONG, Yon Han
GROOMS, Neal William
HARPER, James
description A premix pilot nozzle (114) is disclosed herein. The premix pilot nozzle (114) includes a nozzle body (124). The nozzle body (124) includes a forward wall (126), an aft wall (128), an outer band (130) that extends between the forward wall (126) and the aft wall (128) and a tip portion (132) that extends axially downstream from the aft wall (128). The nozzle body (124) further defines a fuel inlet plenum (138) that extends coaxially within the nozzle body (124), a fuel distribution plenum (142) that is defined within the nozzle body (124) radially outwardly from and in fluid communication with the fuel inlet plenum (138), a plurality of premix passages (150) that extend helically around the fuel inlet plenum (138) within the fuel distribution plenum (142) and a plurality of air passages (158) annularly arranged around the plurality of premix passages (150). One or more premix passages (150) of the plurality of premix passages (150) are in fluid communication with the fuel distribution plenum (142).
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The nozzle body (124) includes a forward wall (126), an aft wall (128), an outer band (130) that extends between the forward wall (126) and the aft wall (128) and a tip portion (132) that extends axially downstream from the aft wall (128). The nozzle body (124) further defines a fuel inlet plenum (138) that extends coaxially within the nozzle body (124), a fuel distribution plenum (142) that is defined within the nozzle body (124) radially outwardly from and in fluid communication with the fuel inlet plenum (138), a plurality of premix passages (150) that extend helically around the fuel inlet plenum (138) within the fuel distribution plenum (142) and a plurality of air passages (158) annularly arranged around the plurality of premix passages (150). 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The premix pilot nozzle (114) includes a nozzle body (124). The nozzle body (124) includes a forward wall (126), an aft wall (128), an outer band (130) that extends between the forward wall (126) and the aft wall (128) and a tip portion (132) that extends axially downstream from the aft wall (128). The nozzle body (124) further defines a fuel inlet plenum (138) that extends coaxially within the nozzle body (124), a fuel distribution plenum (142) that is defined within the nozzle body (124) radially outwardly from and in fluid communication with the fuel inlet plenum (138), a plurality of premix passages (150) that extend helically around the fuel inlet plenum (138) within the fuel distribution plenum (142) and a plurality of air passages (158) annularly arranged around the plurality of premix passages (150). One or more premix passages (150) of the plurality of premix passages (150) are in fluid communication with the fuel distribution plenum (142).</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title PILOT PREMIX NOZZLE AND FUEL NOZZLE ASSEMBLY
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