F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
240/139
F24J 2/06 (2006.01) F24J 2/08 (2006.01) G02B 3/08 (2006.01)
Patent
CA 1286270
ABSTRACT OF THE DISCLOSURE A solar energy concentrator including a thin flexible fresnel lens for focusing incident solar radiation not normal to the lens onto a target area by refraction. The fresnel lens is supported or suspended above the target area by a frame and folded along at least one line or region parallel to the refractive prisms of the lens which are generally parallel to the axis of the target area whereby the fresnel lens opens toward the target area. Thus the fresnel lens is so positioned so as to allow it to bow and flex under wind loads, gravity and other environmental factors without causing significant deterioration in the efficiency of the system.
515066
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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