Gas turbine engine fuel injector

Details Gas turbine engine fuel injector Gas turbine engine fuel injector

1995-04-20

1998-04-14

Koczo, Michael

Power plants

Combustion products used as motive fluid

Combustion products generator

60748, 239405, F23R 310, F23R 314

Patent

active

057379211

ABSTRACT:
A multi-stream fuel injector for a gas turbine engine comprises a plurality of concentric member which define a plurality of flow passages carrying HP compressor air or fuel/air mixture. One of the members is formed with a wide-angle, frusto-conical flared lip to propagate a wide-angle fuel/air mixture cone in the combustion region. The lip is of such a cross-sectional configuration that air flowing over the lip surface remains attached to the surface and flows in a non-turbulent manner, initially in a radially inward direction, and subsequently in a radially outward direction. The lip ensures that undesirable regions of recirculation are avoided around the fuel injector.

REFERENCES:
patent: 3638865 (1972-02-01), McEneny et al.
patent: 3905192 (1975-09-01), Pierce et al.
patent: 3961475 (1976-06-01), Wood
patent: 4584834 (1986-04-01), Koshoffer et al.
patent: 4766722 (1988-08-01), Laboure et al.
patent: 4845940 (1989-07-01), Beer
patent: 5117637 (1992-06-01), Howell et al.
patent: 5222358 (1993-06-01), Chaput et al.
patent: 5315815 (1994-05-01), McVey et al.

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