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COOLING FLOWPATH DIRT DEFLECTOR IN FUEL NOZZLE

  • US 20120151928A1
  • Filed: 12/17/2010
  • Published: 06/21/2012
  • Est. Priority Date: 12/17/2010
  • Status: Abandoned Application
First Claim
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1. A gas turbine engine fuel nozzle assembly comprising:

  • a pilot fuel injector tip substantially centered about a centerline axis in an annular pilot inlet to a pilot mixer,an axially aftwardly or downstream extending injector cooling flowpath disposed radially outwardly of and surrounding an air pilot swirler,an annular wall section radially disposed between the pilot swirler and an annular cooling flowpath inlet to the injector cooling flowpath,an annular chamfered leading edge of the annular wall section, anda radially inwardly facing conical chamfered surface of the chamfered leading edge.

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