Focus improver and solar energy collector

Details Focus improver and solar energy collector Focus improver and solar energy collector

1980-07-28

1982-01-26

O'Connor, Daniel J.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126425, 350292, 350299, F24J 302, G02B 508

Patent

active

043123295

ABSTRACT:
A focus improver for a concave reflector having a circular cross section. It has an array of plane mirrors diametrically across the mouth of the reflector. The angle of tilt of the mirrors is relative to parallel rays incident upon the reflector, and each mirror has an angle of tilt such that a central parallel ray reflected therefrom will focus at a common location.
An application of the focus improver provides a solar energy collector that employs a cylindrical reflector which may be oriented in an east-west direction. The mirrors are thin strips that are coextensive in length with the cylindrical reflector. And, a solar energy utilization device may be located along the focal line that is created.

REFERENCES:
patent: 1421506 (1922-07-01), Limpert
patent: 2803591 (1957-08-01), Coanda et al.
patent: 3964464 (1976-06-01), Hockman
patent: 4022186 (1977-05-01), Northrup
patent: 4027651 (1977-06-01), Robbins
patent: 4047517 (1977-09-01), Arnberg
patent: 4171695 (1979-10-01), Sletten

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