Power plants – Combustion products used as motive fluid
Patent
1996-08-02
1997-12-16
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60728, 310 54, F02C 7143
Patent
active
056972075
ABSTRACT:
The air inlet to the compressor of a gas turbine is supplied with liquid nitrogen for cooling the ambient inlet air. The heated nitrogen converts to gaseous nitrogen and is supplied to either the combustor to lower the flame temperature and hence reduce NO.sub.x formations within the combustor or the turbine section to increase mass flow and hence increase power output, or both. Liquid nitrogen is also supplied in heat exchange relation with the cooling system of a generator driven by the turbine section. The operating temperature of the generator is thus lowered, thereby increasing its capacity and power. The nitrogen from the heat exchanger of the generator cooling system converts to gaseous nitrogen and is supplied to the combustor for lowered NO.sub.x emissions or to the turbine for improved mass flow, or both.
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Cromer Robert Harold
Dunne Patrick Robert
Gill Jennifer Elise
Seminatore Mark David
Casaregola Louis J.
General Electric Co.
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