Solar heating system

Details Solar heating system Solar heating system

1975-07-15

1976-09-21

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

237 1A, F24J 302

Patent

active

039812952

ABSTRACT:
A solar heating unit comprises an insulated housing having a plurality of sides, a bottom and a transparent top. A pair of copper sheets are provided at the bottom of the housing. A plurality of spacers are provided between the copper sheets and maintain the sheets in spaced parallel relation. Cold water is supplied to the space between the copper sheets and heated water is withdrawn from such space. A plurality of lenses in the housing at the top thereof magnify and concentrate the rays of the sun on the copper sheets to heat the water between such sheets.

REFERENCES:
patent: 1672750 (1928-06-01), Christiansen
patent: 2358476 (1944-09-01), Routh et al.
patent: 2969918 (1961-01-01), Phelps
patent: 3822692 (1974-07-01), Demarest

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