Solar operated shutter

Details Solar operated shutter Solar operated shutter

1981-05-22

1982-09-14

Scott, Samuel

Stoves and furnaces

Tool having fluid fuel burner

Soldering iron

49 2, 49 31, 60530, F24J 302, E05F 1520, F02L 500

Patent

active

043490115

ABSTRACT:
A solar shutter system including a pair of insulating panels pivotally mounted adjacent a glazed opening. Insulated and uninsulated counterbalance pressure tanks are mounted at opposite ends of one of the panels. The counterbalance tanks are interconnected by tubing and contain a partially vaporized fluid, such as Freon. The uninsulated tank, exposed to the sunlight, heats up during the day forcing liquid Freon from the uninsulated tank into the insulated tank to pivot the panels away from the opening. A solar collection tank beneath the glazed opening absorbs the radiant energy passing through the opening. During normal daylight hours the temperature within the uninsulated tank is greater than the temperatures in the insulated tank so that the panels remain open. When the sun sets, the temperature within the uninsulated tank drops more quickly than the temperature within the insulated tank so that liquid Freon within the insulated tnak flows back into the uninsulated tank shifting the balance of the panel to pivot the panel back down over the opening. Loss of heat from the solar collection tank is reduced.

REFERENCES:
patent: 3884414 (1975-05-01), Baer
patent: 4185615 (1980-01-01), Bottum

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