Dual fuel injection method and apparatus with multiple air blast

Details Dual fuel injection method and apparatus with multiple air blast Dual fuel injection method and apparatus with multiple air blast

1996-11-13

1998-10-27

Freay, Charles G.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

60 3906, 60737, 60746, 60747, 60748, 2394245, 2394193, F02C 320, F02G 300

Patent

active

058264230

ABSTRACT:
A dual fuel injector for injecting liquid and/or gaseous fuel into a gas turbine engine includes a plurality of hollow spoke members for injecting gaseous fuel that are located upstream of a plurality of main air swirling vanes that are in turn upstream of a plurality of air-blast atomizers for injecting main liquid fuel. A pilot fueling arrangement is provided that is capable of starting the gas turbine engine using either gaseous or liquid fuel. The injector includes a labyrinth-shaped cooling passage capable of providing cooling air to cylindrical walls of an injector centerbody.

REFERENCES:
patent: 2618928 (1952-11-01), Nathan
patent: 4050238 (1977-09-01), Holzapfel
patent: 4946475 (1990-08-01), Lipp et al.
patent: 4977740 (1990-12-01), Madden et al.
patent: 5102054 (1992-04-01), Halvorsen
patent: 5218824 (1993-06-01), Cederwall et al.
patent: 5404711 (1995-04-01), Rajput
patent: 5408825 (1995-04-01), Foss et al.
patent: 5660044 (1997-08-01), Bonciani et al.

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