Stoves and furnaces – Heaters – Surface
Patent
1977-10-14
1979-04-17
Sprague, Kenneth W.
Stoves and furnaces
Heaters
Surface
F24J 302
Patent
active
041495250
ABSTRACT:
A solar collector having the shape of a step pyramid which is enclosed within a transparent dome and a bottom insulating layer. A continuous coil of tubing conforming to the same shape as the step pyramid is in contact with each successive step. Because of this shape, the collector receives solar radiation during all daylight hours without the use of mirrors or tracking devices.
REFERENCES:
patent: 3299881 (1967-01-01), Koch
patent: 4055163 (1977-10-01), Costello et al.
patent: 4062351 (1977-12-01), Hastwell
patent: 4069809 (1978-01-01), Strand
patent: 4076015 (1978-02-01), Muttson
patent: 4084573 (1978-04-01), Shubert
patent: 4086911 (1978-05-01), Futch
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