System for collecting solar energy

Details System for collecting solar energy System for collecting solar energy

1979-09-17

1981-12-29

Lee, John D.

Stoves and furnaces

Stoves

Cooking

126417, 126438, 350 9610, G02B 516

Patent

active

043079369

ABSTRACT:
A system for collecting solar energy which comprises a thin faceplate made of a large number of optical fibers having respectively a diameter ranging from 0.5 micron to 2.0 micron tied up coherently in a bundle vertically to the plane of the faceplate, and a means for focusing the rays departing from the optical fibers of the faceplate.
The faceplate enables to let solar rays entering into the optical fibers from all directions within the numerical aperture of the fibers pass through the fibers to let rays parallel to the principal axis of the faceplate depart from the fibers. Accordingly, the system enables to collect solar energy with a high collecting efficiency with no special means for strictly following the sun.
FIG. 4 is a vertical sectional view of a system of this invention, wherein 1 is faceplate, 2 optical fibers composing the faceplate, 3 concave parabolic mirror, 4 convex parabolic mirror, 9 a bundle of optical fibers for transmission.

REFERENCES:
patent: 2920710 (1960-01-01), Howard
patent: 3780722 (1973-12-01), Swet
patent: 4026267 (1977-05-01), Coleman
patent: 4201197 (1980-05-01), Dismer

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