Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1980-02-25
1981-12-29
O'Connor, Daniel J.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126440, F24J 302
Patent
active
043077110
ABSTRACT:
A sun tracking solar energy collector system comprising a plurality of light focusing elements disposed side by side in the form of a surface array, providing a linear array of foci; and a metallic heat exchanger tube having externally a high absorbtivity, low reflectivity coating containing a working fluid such as water, air, hydrogen or helium, to which a substantial portion of the energy in the focused light is imparted. The system includes an insulator tube external to the heat exchanger and providing small apertures covered by glass to allow the light focused by each focusing element to enter the interior of the insulator tube, where the light may impinge directly on the heat exchanger tube or on solar cells attached to the heat exchanger and facing the apertures, for conversion of a portion of the focused light energy directly into electricity, while the greater portion of the energy focused through the apertures ends up as heat through the heat exchanger tube into the working fluid, capable of raising its temperature to a desirable temperature. A highly reflective internal surface of the insulator tube serves to reflect toward the heat exchanger radiation reaching it from the solar cells and the heat exchanger, so that with the reflective internal surface being much larger than the surface covered by the apertures a very small percentage of the radiated energy is allowed to escape to space through the apertures. A vacuum maintained between the heat exchanger and the external insulator tube serves to minimize conductive losses.
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patent: 4187123 (1980-02-01), Diggs
patent: 4188941 (1980-02-01), Hopkins
patent: 4205661 (1980-06-01), Chapman
patent: 4238246 (1980-12-01), Genequand
Michalos Constantine A.
Michalos Peter C.
O'Connor Daniel J.
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