Thermal energy storage system

Stoves and furnaces – Tool having fluid fuel burner – Curling iron

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Details

126400, 16510411, F24J 302, F28D 1300

Patent

active

044211015

ABSTRACT:
The invention is a sealed thermal energy storage container device including front and rear walls which together are partially absorptive and partially transmissive of visible light with a transmittance in the range between 4% and 85% and an absorptance of at least 9%. Retained within the container between the front and rear walls is an at least partially light transmissive energy storage substance that experiences a liquid-solid phase change between 45.degree. F. and 190.degree. F. After being strategically positioned for exposure to solar radiation, the energy storage substance accumulates a substantial quantity of energy when changed to a liquid state by incident sunlight and subsequently releases that energy when again freezing. In addition to sequentially and alternatively storing and releasing thermal energy, the container device transmits a predetermined level of incident sunlight. Furthermore, the partially absorptive walls are heated by sunlight and function as efficient sources of heating for the retained energy storage substance.

REFERENCES:
patent: 2903550 (1959-09-01), Fritsche
patent: 3863758 (1975-02-01), Connelly
patent: 4077390 (1978-03-01), Stanley
patent: 4205656 (1980-06-01), Scarlata
patent: 4290416 (1981-09-01), Maloney
patent: 4338917 (1982-07-01), Keller
"Solar Energy-Fundamentals in Building Design", B. Anderson, 1977, pp. 102-105.

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