Solar energy collector

Details Solar energy collector Solar energy collector

1977-05-02

1979-01-16

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

237 1A, 165107R, 165170, F24J 302

Patent

active

041343891

ABSTRACT:
Structural plastic materials are normally not resistant to elevated temperatures, and accordingly presently have only limited applications in solar energy collection devices despite their decided cost advantages. The present invention enables the widespread use of such plastic materials, in fact enables the essentially complete construction of solar collection devices thereof. An optically dense radiant heat absorbable fluid is passed through the device and utilized to collect solar energy from such devices. Should such fluid not be present within the device for any reason, e.g. upon pump failure, sunlight entering is positively directed outwardly thereof. Preferably the outward direction of sunlight from the fluid receiving chamber is accomplished by providing one of the surfaces forming such chamber with a highly reflective surface so that the sun's rays are outwardly deflected. In certain embodiments, as when the device is used as an architectural window, when such fluid is not present within the device, the solar energy is directed entirely through the device. In this manner, the chamber temperature may be held within tolerable levels for the particular plastics utilized.

REFERENCES:
patent: 3076450 (1963-02-01), Gough et al.
patent: 4015582 (1977-04-01), Liu et al.
patent: 4044754 (1977-08-01), Cronin et al.
patent: 4055163 (1977-10-01), Costello
patent: 4063545 (1977-12-01), Hapgood

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