Thin film absorber for a solar collector

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

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126444, 126450, F24J 302

Patent

active

045599246

ABSTRACT:
This invention pertains to energy absorbers for solar collectors, and more particularly to high performance thin film absorbers. The solar collectors comprising the absorber of this invention overcome several problems seen in current systems, such as excessive hardware, high cost and unreliability. In the preferred form, the apparatus features a substantially rigid planar frame with a thin film window bonded to one planar side of the frame. An absorber in accordance with the present invention is comprised of two thin film layers that are sealed perimetrically. In a preferred embodiment, thin film layers are formed from a metal/plastic laminate. The layers define a fluid-tight planar envelope of large surface area to volume through which a heat transfer fluid flows. The absorber is bonded to the other planar side of the frame. The thin film construction of the absorber assures substantially full envelope wetting and thus good efficiency. The window and absorber films stress the frame adding to the overall strength of the collector.

REFERENCES:
patent: 3174915 (1965-03-01), Edlin
patent: 3991742 (1976-11-01), Gerber
patent: 4036209 (1977-07-01), Press
patent: 4038967 (1977-08-01), Stout
patent: 4191169 (1980-03-01), Hyman
patent: 4221210 (1980-09-01), Cvijanovich
E. V. Nelson et al, Dev. of a Low-Cost Solar Panel Using Laminated Polymer Films, Jan. 1979.

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