Power plants – Combustion products used as motive fluid
Patent
1995-02-15
1997-05-27
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 3941, 60 395, F02C 700
Patent
active
056321422
ABSTRACT:
This disclosure provides a stationary gas turbine power system that develops a reduced back pressure for the gas turbine engine and thus greater efficiency. An enclosed ejector is positioned downstream of the engine's exhaust plane, and means such as a downstream diffuser cause the exhaust stream to entrain air from the ejector enclosure, by natural pumping action, so as to develop a sub-atmospheric pressure within that enclosure and thus at the engine's exhaust plane. This provides substantially improved engine efficiency. The diffuser recovers the static pressure to a level sufficient to drive any downstream devices.
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