Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1981-02-26
1982-12-28
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
126437, 126438, F24J 302
Patent
active
043656153
ABSTRACT:
A solar hot water heater includes an insulated box having one or more hot water storage tanks contained inside and further having a lid which may be opened to permit solar radiation to heat a supply of water contained within the one or more hot water storage tanks. A heat-actuated control unit is mounted on an external portion of the box, such control unit having a single pole double throw thermostat which selectively activates an electric winch gear motor to either open or close the box lid. The control unit operates to open the lid to a predetermined position when exposed to the sun's rays, and further operates to immediately close the lid in response to any sudden drop in temperature, such as might occur during a rainstorm, clouds moving in front of the sun, or the like.
REFERENCES:
patent: 629122 (1899-07-01), Davis
patent: 2595905 (1952-05-01), Telkes
patent: 4059226 (1977-11-01), Atkinson
patent: 4102329 (1978-07-01), Smith, Jr.
patent: 4127104 (1978-11-01), Greene
patent: 4172442 (1979-10-01), Boblitz
patent: 4222367 (1980-09-01), Jubb
Jacobson Harvey B.
Yeung James C.
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