Solar heat collector

Stoves and furnaces – Tool having fluid fuel burner – Curling iron

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Details

126429, 126432, F24J 302

Patent

active

043099831

ABSTRACT:
A solar heat collector adapted to be mounted in an exterior doorway of a structure. The solar heat collector generally stated comprises a heat absorbant inner door, a transparent outer door mounted in spaced relation to the heat absorbant inner door, and means for circulating air between the inner and outer doors or through the inner door for extracting the absorbed heat for distribution and use.

REFERENCES:
patent: 3932971 (1976-01-01), Day
patent: 3990635 (1976-11-01), Restle et al.
patent: 4147300 (1979-04-01), Milburn, Jr.
patent: 4159707 (1979-07-01), Miquel
patent: 4203424 (1980-05-01), Coxon et al.
patent: 4212292 (1980-07-01), Reinert

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