Solar collector with blackened layer facing insulation

Details Solar collector with blackened layer facing insulation Solar collector with blackened layer facing insulation

1979-04-11

1981-05-12

McCamish, Marion

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

1262711, 126417, 126432, 428469, 428560, 204 33, F24J 302

Patent

active

042672180

ABSTRACT:
A solar collector has a surface turned toward the sun and forms a heat exchange cell which has at least one wall composed of sheet aluminum. A tramsmitting layer of such a wall or the absorption layer thereof is a black layer of aluminum oxide containing Ag or Sn and formed unitarily on the aluminum sheet, e.g. by a chemical or electrochemical process.

REFERENCES:
patent: 4029853 (1977-06-01), McMahon
patent: 4061830 (1977-12-01), Greenberg
patent: 4066816 (1978-01-01), Sheasby
Glas Solar Collector Development, U.S. Department of Commerce, International Technical Invention Service, PB-253450, p. 54, 1976.

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