Patent ID: 8448441

Claim:
A secondary fuel nozzle assembly comprising: a nozzle portion comprising a central passageway and a plurality of passageways that are each concentrically-aligned with said central passageway; and a unitary head portion comprising a first end face, a second end face, and a substantially cylindrical body extending therebetween, said first and second end faces are substantially planar, said nozzle portion is coupled to said first end face and extends outward therefrom, said head portion comprising a plurality of inlets, wherein each of said plurality of inlets is in flow communication with at least one of said plurality of nozzle passageways, said plurality of inlets comprising: a plurality of radial inlets oriented substantially perpendicularly to a centerline extending through said head portion, wherein at least one of said radial inlets comprises a radial port portion and a tubular portion extending radially inward from said port portion, said port portion having a diameter that is larger than a diameter of said tubular portion; and a plurality of axial inlets extending into said head portion from said second end face and oriented substantially parallel to the head portion centerline, a first of said plurality of axial inlets is coupled in flow communication with one of said plurality of radial inlets, and a second of said axial inlets is coupled in flow communication with more than one of said plurality of radial inlets.