Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1986-03-12
1987-08-11
Bennet, Henry A.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126437, F24J 302
Patent
active
046854452
ABSTRACT:
A thermosyphonic solar heater including a solar collector for heating a liquid by solar radiation, the collector having an inlet socket and an outlet socket, a tank into which the heated liquid is transferred by thermosyphonic action, a hot-liquid, outlet pipe leading from said outlet socket to the top region of the tank and a cold-liquid, return pipe leading from the bottom region of the tank to the inlet socket. The hot-liquid pipe having a downwardly extending portion ending at, and opening into, the top region, and the cold return pipe having an upwardly extending portion beginning at, and open towards, the bottom region, and a downwardly extending portion. The upper end of the upwardly extending portion of the return pipe communicates with the upper end of the downwardly extending portion. A part of the upwardly extending portion of the return pipe is in at least indirect thermal contact with at least some of the liquid inside the downwardly extending portion of the hot-liquid pipe and inside the storage tank, whereby forward thermosyphonic circulation is produced when the collector is heated by solar radiation, but reverse circulation is substantially inhibited when the collector cools down in absence of solar radiation.
REFERENCES:
patent: 4567878 (1986-02-01), Larkin
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