Conical beam concentrator

Stoves and furnaces – Stoves – Cooking

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Details

126440, G02B 1318

Patent

active

045779368

ABSTRACT:
An upper component lens which refracts a convergent conical incipient beam of diffused sunlight, forming an annular beam and a convergent conical beam; a middle component lens which refracts the annular and convergent conical beams, forming a convergent conical beam; and a lower component lens which refracts the convergent conical beam, forming a concentrated whole beam.

REFERENCES:
patent: 2881654 (1959-04-01), Toffolo
patent: 2882784 (1959-04-01), Toffolo
patent: 4277148 (1981-07-01), Clegg
patent: 4325612 (1982-04-01), Clegg
patent: 4333713 (1982-06-01), Clegg

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