Fuel staging

A fuel injector includes a feed arm with an inlet end and a nozzle body extending from the feed arm at an end opposite the inlet end. The nozzle body defines a prefilming chamber that opens into an annular outlet orifice for issuing a spray therefrom. A plurality of fuel circuits is defined from the...

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Bibliographic Details
Main Authors Buelow, Philip E, Prociw, Lev A, Ryon, Jason A
Format Patent
LanguageEnglish
Published 30.07.2019
Subjects
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
BURNERS
COMBUSTION APPARATUS
COMBUSTION ENGINES
COMBUSTION PROCESSES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
GAS-TURBINE PLANTS
GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
REGULATING OR CONTROLLING COMBUSTION
WEAPONS
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Summary:A fuel injector includes a feed arm with an inlet end and a nozzle body extending from the feed arm at an end opposite the inlet end. The nozzle body defines a prefilming chamber that opens into an annular outlet orifice for issuing a spray therefrom. A plurality of fuel circuits is defined from the inlet end of the feed arm to the prefilming chamber of the nozzle body. Each fuel circuit in the plurality of fuel circuits can include a single respective inlet opening at the inlet end of the feed arm, with a single respective conduit extending through the feed arm and nozzle body from the single respective inlet opening to a single respective outlet slot feeding into the prefilming chamber.
Bibliography:Application Number: US201514816979