Piloted airblast fuel injector with modified air splitter

Piloted airblast fuel injector with modified air splitter

The fuel injection system (100) includes an air splitter (106) which is located between a pilot swirler and an inner main swirler. The air splitter divides an outer pilot air stream exiting the pilot swirler from an inner main air stream exiting an inner main swirler to create a bifurcated recircula...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SMITH, CLIFFORD E, NICKOLAUS, DANIEL 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:The fuel injection system (100) includes an air splitter (106) which is located between a pilot swirler and an inner main swirler. The air splitter divides an outer pilot air stream exiting the pilot swirler from an inner main air stream exiting an inner main swirler to create a bifurcated recirculation zone (52). The air splitter has an aft end cone (1062) angled radially outboard and axially positioned close to or downstream of a main airblast fuel injector aft end. Independent claims are also included for the following: (a) a fuel injector apparatus; and (b) a method for injecting fuel into a gas turbine.