Solar energy pool heating apparatus

Stoves and furnaces – Heaters – Surface

Patent

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Details

237 1A, 9 11A, F24J 302

Patent

active

039490955

ABSTRACT:
A solar heating device for swimming pools comprising an inflatable raft having a thermally reflective bottom surface and a thermally transparent top surface, and means for elevating at least a fraction of said reflective surface above the swimming pool surface during periods of diminished solar radiation to reduce heat loss from the water. One raft is generally small enough to be easily handled and a plurality of rafts may be required to cover a substantial part of the water surface. The number of rafts required is variable and provides a measure of flexibility to the rate of heating, i.e., by providing more rafts in spring and fall and perhaps none in mid-summer.

REFERENCES:
patent: 2370069 (1945-02-01), Patten
patent: 2390199 (1945-12-01), Walsh
patent: 2390199 (1945-12-01), Walsh
patent: 3072920 (1963-01-01), Yellott
patent: 3453666 (1969-07-01), Hedges

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