Low nitric oxide emission combustion system for gas turbines

Details Low nitric oxide emission combustion system for gas turbines Low nitric oxide emission combustion system for gas turbines

1976-01-19

1978-04-04

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

With exhaust treatment

60 3967, 60 3971, 60 3969A, 431 7, 431170, 431328, F02C 722

Patent

active

040819582

ABSTRACT:
Primary air to the fuel-air mixing chamber of a gas turbine engine is cooled to reduce generation of nitrous oxides. A porous disc separates the fuel-air mixture chamber from the combustion chamber and serves to uniformly mix the fuel and air to reduce the reaction temperature. A catalyst is sprayed on the disc surface in the combustion chamber to speed combustion. A heater embedded in the disc heats the disc and prevents excessive generation of nitrous oxides during the engine start-up. A metering valve can be used to regulate the temperature of the primary air by supplying heated secondary air to the primary air.

REFERENCES:
patent: 2622395 (1952-12-01), Bowden
patent: 2922279 (1960-01-01), Roberson
patent: 3705492 (1972-12-01), Vickers
patent: 3742702 (1973-07-01), Quinn
patent: 3797231 (1974-03-01), McLean
patent: 3826078 (1974-07-01), Quigg
patent: 3842597 (1974-10-01), Ehrich
patent: 3851466 (1974-12-01), Verdouw
patent: 3937007 (1976-02-01), Kappler

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