Lens type solar collector requiring no orientation system

Stoves and furnaces – Stoves – Cooking

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126424, 350 9624, G02B 600

Patent

active

047238267

ABSTRACT:
A conventional fiber optic solar collector employs a matrix of lenses mounted in an enclosure similar to that of a conventional flat plate collector. Each lens focuses a solar image upon the open end of a respective optical fiber. The fibers are bundled together and led to a using device. In this conventional system the entire enclosure is rotated to face the sun. The present invention permits this enclosure to be mounted in fixed position facing the southern sky. As the sun traverses the sky, a pattern of solar images sweeps across the focal plane of the lenses. A plate is placed in this focal plane and the optical fibers mounted in it so that their open ends form a similar pattern. The plate is then moved to cause the solar images to fall on their respective optical fibers.
In a significant improvement, a second plate is mounted behind the first. Fibers pass through holes in this second plate. The second plate is moved in conjunction with the first so that the open ends of the fibers are maintained perpendicular to the paraxial rays of the incident radiation.

REFERENCES:
patent: 4187834 (1980-02-01), Hoinski
patent: 4215410 (1980-07-01), Weslow et al.
patent: 4461278 (1984-07-01), Mori
patent: 4483311 (1984-11-01), Whitaker

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