Premixed pilot nozzle for dry low Nox combustor

Details Premixed pilot nozzle for dry low Nox combustor Premixed pilot nozzle for dry low Nox combustor

1990-03-22

1991-01-08

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60737, F23R 334

Patent

active

049825704

ABSTRACT:
A dual mode, dual stage low NOx combustor, includes a primary combustion chamber and a secondary combustion chamber separated by a throat region of reduced diameter. Fuel is input into the primary combustors by an annular array of diffusion type nozzles whereas in accordance with the invention fuel is input into the secondary combustor by a central combination premix and diffusion nozzle.

REFERENCES:
patent: 3648457 (1972-03-01), Bobo
patent: 3703259 (1972-11-01), Sturgess et al.
patent: 3713588 (1973-01-01), Sharpe
patent: 3886728 (1975-06-01), Quinn
patent: 3958416 (1976-05-01), Hammond, Jr.
patent: 4023351 (1977-05-01), Beyler et al.
patent: 4125998 (1978-11-01), Barou et al.
patent: 4292801 (1981-10-01), Wilkes et al.
patent: 4389848 (1983-06-01), Markowski et al.
patent: 4589260 (1986-05-01), Krockow

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