Compressed-air energy-storage system
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United States of America Patent
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Jun 16, 2020
Grant Date -
Mar 19, 2015
app pub date -
Apr 8, 2013
filing date -
Apr 12, 2012
priority date (Note) -
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Abstract
A compressed-air energy-storage system, comprising: a variable-nozzle expander configured to receive an airflow at a first pressure and partially expand said airflow at a second pressure, said second pressure being lower than said first pressure, expansion of said airflow in said variable-nozzle expander producing useful mechanical power; a heat generator component configured to receive a fuel and a partially expanded airflow from the variable-nozzle expander; and a turbine configured to receive combustion gas from the heat generator component and expand the combustion gas producing useful mechanical power.
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