Power plants – Combustion products used as motive fluid – With variable oxidizer control
Patent
1992-06-25
1994-05-10
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
With variable oxidizer control
60737, 60742, F23R 332
Patent
active
053097092
ABSTRACT:
The known control systems for reducing NOx in the combustion systems of past gas turbine engines has incorporated a variety of expensive and complicated techniques to reduce the NOx level. The present apparatus reduces the formation of NOx within the combustion zone by controlling the air portion of the air/fuel ratio. The present apparatus includes a device for controllably varying the quantity of compressed air directed into a manifold resulting in controlling the air to a plurality of injection nozzles and into a combustor. A throttling mechanism moves between an open position and a closed position varying the flow rate of compressor air to the combustor apparatus provides an economical, reliable and effective method for reducing and controlling the amount of nitrogen oxide (NOx) carbon monoxide (CO) and unburned hydrocarbon (UHC) emitted from the gas turbine engine.
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Cederwall Philip J.
Ogborne Graham E.
Smith Kenneth O.
Bertsch Richard A.
Cain Larry G.
Solar Turbines Incorporated
Thorpe Timothy S.
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