Patent ID: 8281523

Claim:
A covering tile for roof and wall structures of buildings, comprising: an upper element comprising a convex portion having an inner surface treated so as to be reflecting, the upper element being coated with one or more first photovoltaic elements, a base, provided with a reflecting plate covering a thermally insulating element, having a concave portion in correspondence with the convex portion of the upper element, said convex portion of the upper element and said concave portion of the reflecting plate forming a cavity wherein a greenhouse effect is produced when the tile is exposed to solar radiation, a radiation absorbing main pipe being positioned within the cavity in correspondence with a center of the convex portion of the upper element, the base being provided with lower positioning stands, so as to be capable to be supported by the stands over a structure and to form an air and ventilation chamber, wherein the reflecting plate comprises a flat portion outside the cavity, wherein one or more second photovoltaic elements are positioned in corresponding housing, and wherein a corresponding portion of the upper element is made of transparent glass or plastic polycarbonate or plastic.