Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1980-09-15
1983-03-08
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126422, 126435, 126400, 622351, F24J 302
Patent
active
043758061
ABSTRACT:
A heating system utilizing solar panels and buried ground conduits to collect and store heat which is delivered to a heat-pump heat exchanger. A heat-distribution fluid continuously circulates through a ground circuit to transfer heat from the ground to the heat exchanger. The ground circuit includes a length of buried ground conduit, a pump, a check valve and the heat exchanger. A solar circuit, including a solar panel and a second pump, is connected in parallel with the check valve so that the distribution fluid transfers solar heat to the heat exchanger for utilization and to the ground conduit for storage when the second pump is energized. A thermostatically instrumented control system energizes the second pump only when the temperature differential between the solar panel inlet and outlet temperatures exceeds a predetermined value and the ground temperature is less than a predetermined value. Consequently, the distribution fluid flows through the solar panel only when the panel is capable of supplying significant heat to the remainder of the system without causing excessive drying of the ground.
REFERENCES:
patent: 3262493 (1966-07-01), Hervey
patent: 4010731 (1977-03-01), Harrison
patent: 4049407 (1977-09-01), Bottum
patent: 4063546 (1977-12-01), Schmid
patent: 4205718 (1980-06-01), Balch
patent: 4277946 (1981-07-01), Bottum
patent: 4291833 (1981-09-01), Franchina
Spencer Products Company
Yeung James C.
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