THERMAL MANAGEMENT FOR INJECTORS

THERMAL MANAGEMENT FOR INJECTORS

An injector (100) for a gas turbine engine includes a feed arm (102) including a primary and a secondary fluid passage (110, 112). An inlet assembly (104) is fixed at an upstream end of the feed arm (102) having at least one inlet (107, 108) in fluid communication with the primary and the secondary...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: CAPLES, Mark A
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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Beschreibung
Zusammenfassung:An injector (100) for a gas turbine engine includes a feed arm (102) including a primary and a secondary fluid passage (110, 112). An inlet assembly (104) is fixed at an upstream end of the feed arm (102) having at least one inlet (107, 108) in fluid communication with the primary and the secondary fluid passages (110, 112). A tip assembly (106) is fixed at a downstream end of the feed arm (104) having a fluid outlet (114) in communication with the primary and secondary fluid passages (110, 112) for issuing a spray of fluid. The primary and secondary fluid passages (110, 112) are monolithically formed within the feed arm (102). At least one of the primary and secondary fluid passages (110, 112) includes a nonlinear section configured to provide increased residence time for cooling fluid in the first and second fluid passages (110, 112).