Solar energy collector

Details Solar energy collector Solar energy collector

1975-10-10

1977-06-07

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

126270, 335306, F24J 302

Patent

active

040276538

ABSTRACT:
An infrared solar energy collector is disclosed. The collector comprises a heat absorber which in a first embodiment is a tube through which a heat transfer fluid is circulated. The heat absorber is disposed within a larger glass tube. In a modified embodiment, the heat absorber is in the form of a heat pipe which conducts heat to a heat transfer fluid circulated through a manifold. A wick carrying a volatile fluid may also surround the heat pipe. Absorbed heat evaporates the fluid which is in turn condensed on the cooler manifold. Either the entire interior of the glass tube surrounding the heat absorber is under reduced pressure, or an annular region between the surrounding glass tube and a second, larger diameter surrounding glass tube is under reduced pressure. An energy director such as a reflector within the enclosing glass tube directs solar energy on the heat absorber. The relative positions between the energy director and the heat absorber are changed progressively during the course of each day to enable the maximum utilization of solar energy.

REFERENCES:
patent: 1855815 (1932-04-01), Abbot
patent: 3048375 (1962-08-01), Walker
patent: 3121265 (1964-02-01), Hoh
patent: 3847136 (1973-07-01), Salvail

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