Solar heat collector

Details Solar heat collector Solar heat collector

1982-11-05

1985-07-09

Zugel, Francis K.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

165170, 128157, 291573V, F24J 302, F28F 314, B21D 5300

Patent

active

045275475

ABSTRACT:
A solar heat collector is composed of a pair of solar collector panels welded by a laser beam along a plurality of spaced seams. A fluid under pressure is introduced between the solar collector panels to bulge them until a plurality of heat-transfer medium passages are defined between the welded seams. The welded seams have at their ends a plurality of circular or oblong welded seams which serve to prevent the ends of the spaced seams from being cracked or torn when the panels are bulged or the solar heat collector is in use, and also serve to uniformize the flow of the heat-transfer medium through the passages. A plurality of other circular or oblong welded spots may be provided in spaced relation to the circular or oblong welded seams in the longitudinal direction thereof to uniformize the shape of headers of the solar heat collector and increase the mechanical strength of the headers. When the high-pressure is introduced between the welded panels, the panels are placed between a pair of spaced rigid surfaces to prevent excessive bulging of the panels.

REFERENCES:
patent: 2514469 (1950-07-01), Burkhardt
patent: 4066121 (1978-01-01), Kleine

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