Solar heat collector

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

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Details

126437, 126440, F24J 302

Patent

active

045137315

ABSTRACT:
A solar heat collector for use at a predetermined latitude includes a surface of revolution comprising an inner, upwardly convex right conical frustum and an outer, upwardly concave right conical frustum, the walls of which each have a rise angle equal to the latitude plus from zero to about fifteen degrees, fluid conduit means defining a spiral path along the surfaces of the frustums, and means for circulating fluid through the conduit means. In preferred embodiments, the collector includes a translucent, circular, upwardly convex dome-shaped cover.

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patent: 4212290 (1980-06-01), Warnken
patent: 4220140 (1980-09-01), Francia
patent: 4249515 (1981-02-01), Page
patent: 4289119 (1981-09-01), Meyer
patent: 4301786 (1981-11-01), Kirchmayer
patent: 4341204 (1982-07-01), Bloxsom

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