CPC F25J 1/023 (2013.01) [F02C 3/22 (2013.01); F02C 7/143 (2013.01); F25J 1/0012 (2013.01); F25J 1/0045 (2013.01); F17C 2265/05 (2013.01); F17C 2265/07 (2013.01); F25J 2240/80 (2013.01); F25J 2260/60 (2013.01); F25J 2290/62 (2013.01); Y02E 20/16 (2013.01)] | 16 Claims |
1. A method of storing and recovering energy, the method comprising:
regasifying liquid air or liquid air components to produce gaseous air or gaseous air components using heat from an exhaust gas stream from a turbine;
expanding the regasified liquid air or liquid air components through at least one stage of expansion in an engine without combusting the regasified liquid air or liquid air components;
mixing the expanded regasified liquid air or liquid air components with inlet air to a compressor to form an air mixture;
compressing the air mixture with the compressor and introducing the compressed air mixture into a combustor;
introducing a fuel into the combustor and combusting it with the compressed air mixture to form a hot gaseous working fluid; and
expanding the hot gaseous working fluid through the turbine to form the exhaust gas stream from the turbine.
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