Dual fuel injector

Details Dual fuel injector Dual fuel injector

1989-06-07

1990-12-18

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

60 3955, 60742, 2394245, F02C 322, F02C 330, F02C 722

Patent

active

049777408

ABSTRACT:
A fuel injector 28 for gaseous and liquid fuel is disclosed. Various construction details are developed to enhance mixing and reduce nitrogen oxide emissions in a compact design. In one embodiment of the invention, the fuel nozzle 28 includes two radially spaced passages 68, 104 for air having swirlers 86, 112 and a liquid fuel passage 57 disposed between the air passages and a gaseous fuel passage 116 outwardly of the outermost air passage. In one detailed embodiment, a center body 76 is disposed in the inner air chamber to promote re-ciruclation of the hot gases.

REFERENCES:
patent: 3763650 (1973-10-01), Hussey et al.
patent: 3937011 (1976-02-01), Carvel et al.
patent: 4327547 (1982-05-01), Hughes et al.
patent: 4337618 (1982-07-01), Hughes et al.
patent: 4342198 (1982-08-01), Willis
patent: 4425755 (1984-01-01), Hughes
patent: 4600151 (1986-07-01), Bradley
patent: 4857075 (1989-08-01), Lipp

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