Solar panel elements and method of manufacture thereof

Details Solar panel elements and method of manufacture thereof Solar panel elements and method of manufacture thereof

1980-04-23

1981-09-08

Richter, Sheldon J.

Heat exchange

Tubular structure

With discrete heat transfer means

291573C, 126446, F28F 120

Patent

active

042879477

ABSTRACT:
Heat exchanger elements, particularly for solar panels, comprising metal tubing secured to a metal strip which is wider than the tubing and relatively thin by a weld which is metal of at least one of the tubing and the strip which has melted and cooled, the welding conditions being selected so that molten metal is expelled from between the tubing and the strip at the ends of short intervals and the strength of the weld varies longitudinally of the tubing. High frequency electric welding is used under conditions which cause the expulsion of the molten metal.

REFERENCES:
patent: 2261137 (1941-11-01), Brown, Jr.
patent: 2809276 (1957-10-01), Smith
patent: 4136272 (1979-01-01), Rudd
Haga et al., Welding Phenomena and Welding Mechanisms in High-Frequency Electric Resistance Haga et al., Welding Study on ERW, Nippon Steel Corporation, American Welding Society, 1979.
Haga et al., The Mechanism of Formation of Weld Defects in High-Frequency Welding Study on ERW, Nippon Steel Corporation, American Welding Society, 1979.

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