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ANNULAR PREMIXED PILOT IN FUEL NOZZLE

  • US 20150253011A1
  • Filed: 05/22/2015
  • Published: 09/10/2015
  • Est. Priority Date: 02/27/2012
  • Status: Abandoned Application
First Claim
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1. A fuel/air nozzle for a gas turbine engine, the fuel/air nozzle comprising:

  • a premixed pilot nozzle having an upstream end axially spaced from a downstream end with respect to an axial center line of a center body of the fuel/air nozzle, wherein the upstream end is connected to a downstream end of the center body; and

    the premixed pilot nozzle further defining a plurality of axially elongated, hollow premix conduits annularly arranged around a pilot fuel nozzle portion of the premixed pilot nozzle, each premix conduit having an upstream end defining an entrance opening that communicates fluidly with an interior passage of the center body, each premix conduit having at least one fuel hole in fluid communication with the pilot fuel nozzle portion, each premix conduit including a downstream end defining an exit opening that allows fluid to discharge from the hollow premix conduit;

    wherein each downstream end of each premix conduit has a central axis that is not parallel to the central axis of the center body.

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