Hybrid engine with a gas turbine engine
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United States of America Patent
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Apr 30, 2013
Grant Date -
N/A
app pub date -
Mar 8, 2011
filing date -
Mar 8, 2011
priority date (Note) -
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Abstract
A hybrid power plant with a gas turbine engine that produces a hot gas flow that is passed through a power turbine to drive an output shaft. A second compressor and second combustor is driven by an electric motor to produce a second hot gas flow that is passed through the power turbine to drive the output shaft. at a cruise speed, only the gas turbine engine is operated to supply hot gas to the power turbine. At low speed or idle, only the second compressor and second combustor is used to produce a hot gas flow for the power turbine. At maximum power, both the gas turbine engine and the second compressor and combustor produces hot gas for the power turbine.
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