FUEL INJECTOR AND SWIRLER ASSEMBLY WITH LOBED MIXER

Disclosed is a gas turbine fuel injector and swirler assembly (58), comprising: a delivery tube structure (44) arranged on a central axis of the fuel injector and swirler assembly (58), a first fuel supply channel (43) arranged in the delivery tube structure (44), a shroud (57) surrounding the deliv...

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Bibliographische Detailangaben
Hauptverfasser: FOX, TIMOTHY, A, WOERZ, ULRICH, WILLIAMS, STEVEN, VAN KAMPEN, JAAP
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Disclosed is a gas turbine fuel injector and swirler assembly (58), comprising: a delivery tube structure (44) arranged on a central axis of the fuel injector and swirler assembly (58), a first fuel supply channel (43) arranged in the delivery tube structure (44), a shroud (57) surrounding the delivery tube structure (44), swirl vanes (46) arranged between the delivery tube structure (44) and the shroud (57), a radial passage (45) in each swirl vane (46), communicating with the first fuel supply channel (43), a set of apertures (47) open between the radial passage (45) and the exterior surface (48) of said each swirl vane (46), wherein a second fuel supply channel (50) is arranged in the delivery tube structure (44) extending to a downstream end (51) of the delivery tube structure (44) and a mixer (52) with lobes (55) for fuel injection is arranged at the downstream end (51). Further disclosed is an assembly method for assembling a fuel injector and swirler assembly (58).