Power plants – Utilizing natural heat – Solar
Patent
1995-04-19
1997-11-11
Lazarus, Ira S.
Power plants
Utilizing natural heat
Solar
6064115, B60R 1600
Patent
active
056851529
ABSTRACT:
A thermal energy storage and conversion system that captures thermal energy from solar collectors, stores thermal energy in a first heated medium, converts a portion of stored thermal energy to mechanical energy by utilization of a heat engine, converts a second portion of stored thermal energy to a thermal energy sink by utilization of a refrigeration device, and stores a portion of thermal energy sink for use later. While the sun is shining, energy is collected and stored in first heated medium. Both during day and night, a portion of stored energy in first heated storage medium is transferred to first refrigerant that vaporizes and provides mechanical energy to heat engine. A second portion of stored thermal energy in first heated medium is transferred, as needed, to second refrigerant which vaporizes and removes from second fluid medium a quantity of heat including second fluid medium's heat of fusion, thereby freezing the second medium. Solidified second medium then provides, during both day and night, a low temperature heat sink to help drive heat engine, a low temperature source of refrigeration for cooling an enclosed space, and an efficient, compact, and user friendly energy storage device.
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Basichas Alfred
Lazarus Ira S.
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