Protection against the freezing of solar collectors

Details Protection against the freezing of solar collectors Protection against the freezing of solar collectors

1979-05-23

1982-01-05

Scott, Samuel

Stoves and furnaces

Tool having fluid fuel burner

Soldering iron

126446, 138 28, F24J 302, E03B 710

Patent

active

043088562

ABSTRACT:
A solar heat collector has a transparent cover and metal fins beneath the cover. Secured to each fin is a tube through which flows water to be heated, the tube having the general cross-sectional configuration of a figure eight and the tube being welded to the fin at one end of the major axis of the figure eight. Round steel bars are disposed on opposite sides of and extend lengthwise to the tube, in the depressions on the sides of tube caused by the figure eight configuration; and a spring clip presses those bars against the tube. As a result, when water in the tube freezes and the tube expands, the bars and spring clip are pressed apart; but when the ice melts, then the spring clip forces the tube back to its original configuration. The structure also provides protection against surges of water pressure.

REFERENCES:
patent: 227208 (1880-05-01), Bittenbring
patent: 830175 (1906-09-01), Robinson
patent: 2202756 (1940-05-01), Cline
patent: 2594232 (1952-04-01), Stockstill
patent: 2646818 (1953-07-01), Bimpson
patent: 2963753 (1960-12-01), Seaburg

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