Stoves and furnaces – Ovens – Domestic
Patent
1976-02-05
1977-05-24
Sprague, Kenneth W.
Stoves and furnaces
Ovens
Domestic
126271, 136206, 350293, F24J 302
Patent
active
040248526
ABSTRACT:
A system including a non-tracking reflector-collector for the concentration and collection of solar energy. An energy-collecting plate is disposed upright along a substantially horizontal axis substantially coincident with the east-west direction of the earth. The collector plate is positioned within a semi-tubular reflector having parabolic sidewalls. The reflector surfaces on opposite sides of the collector plate are parabolic surfaces, each having a focal point approximately coincident with the upper terminal edge of the collector plate. The axes of the parabolas which define the respective surfaces are rotated about or diverge from their common focal point at a substantial angle. The reflector sides are of laminated construction having a base portion of a lightweight rigid plastic sheet, an underlayer of plastic corrugated board and a reflective film on the interior surface. The collector plate receives energy entering the aperture between the reflective surfaces. In one of the preferred embodiments, the plate elevates the temperature of a heat exchange medium flowing therethrough. The heat exchange medium provides for storage and use of the collected energy. In a second embodiment, the collector plate receives solar energy which is converted into electrical energy for storage and use.
REFERENCES:
patent: 3262493 (1966-07-01), Hervey
patent: 3841738 (1974-10-01), Caplan
patent: 3899672 (1975-08-01), Levi-Setti
patent: 3923039 (1975-12-01), Falbel
patent: 3923381 (1975-12-01), Winston
L'Esperance Paul M.
Pavlak Alex
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