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US 5,671,597 AGranted
Low no.sub.x fuel nozzle assembly
AssigneeUnited Technologies Corporation
InventorsAaron S. Butler, Thomas J. Madden
Life of this patent
Estimating the term…
Abstract
A low NO.sub.x fuel nozzle assembly 10 includes a nozzle 24 with a tangential entry (TE) swirler 46 and centerbody element 48 each releasably mounted to an assembly support structure 26, such as to readily provide for operator access to the nozzle's major elements for the purpose of repair or replacement.
Claims4
A low NO.sub.x nozzle assembly for use in an industrial gas turbine engine, comprising:
- a support fixture, including a housing having an internal cavity extending from an interface surface at one end of said housing to a mounting surface at a distal end thereof;
- a tangential entry scroll swirler, comprising a centerbody positioned axially within a mixing chamber of an assembly formed by an endcap and a pair of arc scrolls, said endcap including an outlet aperture disposed in axial registration with said mixing chamber and having a first diameter, said assembly being removably engaged to a radially outward region of said interface surface and said centerbody being removably engaged, separate from said assembly, to a central region of said interface surface.
Dependencies are inferred from the claim text.