Solar heating window cover

Details Solar heating window cover Solar heating window cover

1976-01-02

1977-10-18

Sprague, Kenneth W.

Stoves and furnaces

Ovens

Domestic

237 1A, 350167, F24J 302

Patent

active

040541258

ABSTRACT:
A dark colored absorbing substrate covered with monolayer of solar radiation, transparent spheres, absorbs solar radiation for heating an air column formed between drapery material and the substrate mounted inside of a transparent window. In one form, a drapery material forms with the substrate a series of tubes for naturally or forcibly circulating warm air through the tubes when the substrate is heated by solar radiation. In another form, a eutectic salt in the tubes stores heat by transending to a higher energy state, so as to subsequently radiate heat on returning to a lower energy state. Reflecting cover means, selectively mountable in front of the substrate, reflects solar radiation back through the transparent window when heating is not required.

REFERENCES:
patent: 1093498 (1914-04-01), Thring
patent: 3491237 (1970-01-01), Tillett
patent: 3960135 (1976-06-01), Angilletta
patent: 3990635 (1976-11-01), Restle et al.
Fuschillo, N., "Semi-Transparent Solar Collector Window Systems," Solar Energy, vol. 17, pp. 159-165, Pergamon Press 1975.

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