Fuel injection apparatus

Details Fuel injection apparatus Fuel injection apparatus

2007-09-11

2007-09-11

Casaregola, L. J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

Reexamination Certificate

active

11116259

ABSTRACT:
A fuel injection apparatus (10) for a gas turbine engine (110) comprising a prefilmer (26), the prefilmer (26) comprises a body (50), the body (50) defines an axis (51), an annular surface (40) and a downstream edge (44), the prefilmer (26) arranged so that when working in operative association with the fuel injection apparatus (10) fuel impinges on the surface (40) and flows, by means of a passing airflow, to the downstream edge (44), from where the fuel is shed, characterized in that the fuel injector (10) further comprises a means for circumferentially varying the residence time of the fuel across the surface (40).

REFERENCES:
patent: 4970865 (1990-11-01), Shekelton et al.
patent: 5267442 (1993-12-01), Clark

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