Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Reexamination Certificate
2011-05-31
2011-05-31
Neckel, Alexa D (Department: 1723)
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
C136S243000, C136S244000, C359S742000, C126S572000, C126S573000
Reexamination Certificate
active
07952017
ABSTRACT:
A light concentrator is described, for a device for the conversion of solar radiation into electrical, thermal or chemical energy, capable of conveying the radiation towards a surface of the conversion device. The concentrator comprises at least one portion of Fresnel lens of rotational symmetry, one face of which has a plurality of crests disposed concentrically about a center so as to form a segmented transverse profile of the portion of Fresnel lens. The profile is formed in such a manner that the focal distance of the Fresnel lens is variable in dependence on the radial distance from the center of the lens. The variation of the focal distance is determined such that, when the Fresnel lens is illuminated by polychromatic radiation, the superposition of the distributions of irradiance, produced by the lens at the individual wavelengths constituting the spectrum of the incident radiation, generates a substantially uniform distribution of polychromatic irradiance on the conversion device.
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Bernard Stefano
Bollea Denis
Capello Davide
Perlo Pietro
Repetto Piermario
CRF Societa Consortile per Azioni
Gardner Shannon
Neckel Alexa D
Sughrue & Mion, PLLC
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