Power plants – Combustion products used as motive fluid – With variable oxidizer control
Patent
1997-11-26
1999-12-21
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
With variable oxidizer control
60 3929, F02C 916, F23R 326
Patent
active
060032995
ABSTRACT:
Gas turbine engines have in the past attempted to control emissions by a variety of processes or in a variety of manners. For example, past systems have used water or steam injection, and gas turbine combustion systems have utilized a variety of approaches including premix systems and various fuel injector designs. The present system controls emissions by modulating air flowing through a fuel injector. The system utilizes a fuel injector having a passage defined therein in which a valve is positioned. The valve is movable between a maximum flow position and a minimum flow position. The valve is moved lineal by a lineal movement portion being activated by a cam portion, a ring gear and an actuating mechanism. Parameters of the gas turbine engine are monitored by a plurality of sensors, and interpreted by a computer which actuates the actuating mechanism and results in the fluid flow to a combustor section being controlled to meet preestablished emission parameters.
REFERENCES:
patent: 4138842 (1979-02-01), Zwick
patent: 4150539 (1979-04-01), Rubins et al.
patent: 4545196 (1985-10-01), Mongia et al.
patent: 5327718 (1994-07-01), Iwata et al.
Cain Larry G.
Casaregola Louis J.
Solar Turbines
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