Radial inflow dual fuel injector

Details Radial inflow dual fuel injector Radial inflow dual fuel injector

1995-11-13

1998-08-11

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

60737, F23R 336

Patent

active

057911371

ABSTRACT:
A gas turbine engine combustor can operate on either liquid fuel or gaseous fuel while maintaining low levels of nitrous oxide emissions. An upstream end of each of a plurality of mixing tubes includes an external manifold that is supplied with gaseous fuel. The gaseous fuel is injected into the mixing tubes through a plurality of orifices with sufficient momentum to be uniformly distributed across the flow path of each mixing tube. The optimum fuel/air ratio for low nitrous oxide emissions does not exceed seventy five percent (75%) of the stoichiometric ratio for a given fuel.

REFERENCES:
patent: 4215535 (1980-08-01), Lewis
patent: 4222232 (1980-09-01), Robinson
patent: 4226083 (1980-10-01), Lewis et al.
patent: 4253301 (1981-03-01), Vogt et al.
patent: 4262482 (1981-04-01), Roffe et al.
patent: 5408825 (1995-04-01), Foss et al.
patent: 5511375 (1996-04-01), Joshi et al.

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