Stoves and furnaces – Ovens – Domestic
Patent
1975-11-14
1977-06-14
Sprague, Kenneth W.
Stoves and furnaces
Ovens
Domestic
126271, 237 1A, 126400, F24J 302
Patent
active
040290816
ABSTRACT:
A solar energy collector comprises a heat conducting sheet having a front surface exposed to the sun and a system of liquid-receiving open-top troughs projecting from the back surface into an air space, with liquid supply means delivering liquid to the troughs and drain means receiving any liquid overflowing the troughs. Inlet and outlet air conduits communicate with the air space, and a blower causes a flow of air from the inlet conduit, through the air space, and to the outlet conduit; whereby the heat of vaporization of any liquid vaporized is transferred from the sheet to the outlet air conduit in addition to the heat transferred by the sensible temperature rise of the air and the vapor. Also disclosed are a heat storage unit, for use with such an energy collector, in which the heat storage medium may be stones, water, or it may be formed from Glauber's Salt, and a complete solar energy utilization system comprising such a collector, such a heat storage unit, and a heat exchanger (e.g., a radiator or convector in a living space) with controls and valves for (1) delivering heat from the sheet to the storage unit, (2) delivering heat from the sheet to the heat exchanger, or (3) delivering heat from the storage unit to the heat exchanger.
REFERENCES:
patent: 2677367 (1954-05-01), Telkes
patent: 2680565 (1954-06-01), Lof
patent: 3894528 (1975-07-01), Stubblefield
patent: 3910253 (1975-10-01), Thomason et al.
patent: 3949732 (1976-04-01), Reines
Sprague Kenneth W.
Yeung James C.
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