Stoves and furnaces – Heaters – Surface
Patent
1977-06-02
1979-03-13
Sprague, Kenneth W.
Stoves and furnaces
Heaters
Surface
126270, F24J 302
Patent
active
041436440
ABSTRACT:
Apparatus for producing useful heat from solar radiation and which in the operating position is oriented in an inclined plane. The apparatus includes a coilable conduit structure which is provided with an inlet and an outlet for a flowable heat carrier medium and is formed of two elongated flexible foils, with one being colored so as to absorb solar radiation, which are sealingly connected together along their edge regions and are sealingly connected together along lines in their center regions to form a plurality of parallel flow channels which extend along the longitudinal axis of the foils, and first and second transverse flow channels which connect the respective adjacent ends of said parallel flow channels together. The first transverse flow channel, which in the operating position of the apparatus is the upper transverse flow channel, is connected with an upper region of a reservoir for the flowable heat carrier medium while the second transverse flow channel, which in the operating position is the lower transverse flow channel, is connected with a lower region of the reservoir.
REFERENCES:
patent: 3513828 (1970-05-01), Masters
patent: 3991742 (1976-11-01), Gerber
patent: 4024853 (1977-05-01), Gordon
patent: 4079726 (1978-03-01), Voelker
Grundmann Edgard
Heitland Herbert
Kroll Rudolf
Sprague Kenneth W.
Volkswagenwerk Aktiengesellschaft
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