Nozzle with flow equalizer

Details Nozzle with flow equalizer Nozzle with flow equalizer

2005-05-24

2005-05-24

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S748000

Reexamination Certificate

active

06895755

ABSTRACT:
A fuel injector for a gas turbine engine has an inlet fitting, a fuel nozzle, and a housing stem with a pair of fuel conduits fluidly interconnecting the nozzle and fitting. The fuel nozzle includes an annular secondary fuel passageway directing fuel from one fuel conduit to an annular discharge orifice at a discharge end of the nozzle. The secondary fuel passageway is defined between an outer, annular fuel conduit portion and a primary adapter. The primary adapter has an outer surface with a distinct, radially-outwardly-projecting annular shoulder to restrict flow through the secondary passageway and provide substantially uniform distribution of flow through the passageway downstream of the shoulder, for improved combustion and flame stability.

REFERENCES:
patent: 3283502 (1966-11-01), Lefebvre
patent: 4938418 (1990-07-01), Halvorsen
patent: 5228283 (1993-07-01), Sciocchetti
patent: 5337961 (1994-08-01), Brambani et al.

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