Bypass mirrors

Details Bypass mirrors Bypass mirrors

1989-04-12

1991-03-26

Arnold, Bruce Y.

Stoves and furnaces

Stoves

Cooking

350612, 350616, 350452, 126425, 126438, G02B 508, G02B 718, G02B 308, F24J 238

Patent

active

050023799

ABSTRACT:
Advanced reflector elements are provided to greatly improve the focusing capabilities of multisurface, light concentrating mirrors. The reflector elements utilize a subconcentrator feature to focus light which is then transmitted, or bypassed, through an adjacent element's lens feature, greatly shortening the distance that light rays must travel to a receiver. The result is a more uniform density of concentrated power at the receiver, generated by a module of much shorter focal length. The bypass elements of this invention permit new extreme module geometries, such as: (1) ninety degree rim angle hyperbolic dishes and troughs where f/D=0.125, (2) very shallow conical reflectors, (3) flat concentrator mirrors that can be pointed directly at the light source with little loss of light, and (4) positive focal length convex reflectors.

REFERENCES:
patent: 3861379 (1975-01-01), Anderson
patent: 4139286 (1979-02-01), Hein et al

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