Aerodynamic fuel injection system for a gas turbine engine

Details Aerodynamic fuel injection system for a gas turbine engine Aerodynamic fuel injection system for a gas turbine engine

1997-09-26

2000-03-14

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60748, F02C 722

Patent

active

060356456

ABSTRACT:
A fuel injection system is disclosed for a gas turbine engine having a fuel injector issuing a primary fuel flow during all operating modes of the gas turbine engine and a secondary fuel flow when operating parameters of the gas turbine engine exceed predetermined values. The fuel injection system includes a first air swirler, a second air swirler located rearwardly of the first air swirler and a venturi having a wall with a converging-diverging inner wall surface forming a venturi throat, the venturi being located such that the wall separates first and second air flows issuing from the first and second air swirlers and such that the primary fuel flow emanating from the fuel injector in a conical configuration does not impact against the inner wall surface of the venturi.

REFERENCES:
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patent: 4105163 (1978-08-01), Davis, Jr. et al.
patent: 4653278 (1987-03-01), Vinson et al.
patent: 4854127 (1989-08-01), Vinson et al.
patent: 5319935 (1994-06-01), Toon et al.
patent: 5623827 (1997-04-01), Monty

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