Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1977-04-29
1980-06-24
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126419, 126437, F24J 302
Patent
active
042090075
ABSTRACT:
This invention is directed towards a low-cost solar heating system, or apparatus, which has substantially increased energy efficiency over fixed flow systems. The apparatus of this invention includes a closed flow system including flow lines for fluid such as liquid or air, to and from a solar collector panel, flow lines from the solar collector panel to storage means, and a circulating pump in the system for circulating fluid from the storage tank to the solar collector via a pump supply line. The preferably fixed-flow circulating pump is actuated by a thermally responsive switch set at a predetermined temperature setting, for example, 100.degree. F. The system of this invention also incorporates, in combination with the thermal switch for the pump, a thermally responsive valve means placed in a fluid circulating line, and opening in proportion to the temperature sensed by the valve means to increase or decrease the flow of fluid to and from the collector in response to the valve temperature increase or decrease. The thermally responsive valve is inexpensive and can be readily set to commence opening at any predetermined temperature, e.g. 110.degree. F. Variable fluid flow in the system of this invention may be reliably maintained proportional to a combination of thermal gradients imposed by ambient and solar temperatures.
REFERENCES:
patent: 2553302 (1951-05-01), Cornwall
patent: 2762569 (1956-09-01), Caillol
patent: 3239000 (1966-03-01), Meacher
patent: 3659783 (1972-05-01), Schwartz
patent: 3792813 (1974-02-01), Saur et al.
patent: 3986489 (1976-10-01), Schlesinger
Drucker I. Morley
Jones Larry
Solargenics, Inc.
Yeung James C.
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