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Rotational Trough Reflector Array With Solid Optical Element For Solar-Electricity Generation

  • US 20100206379A1
  • Filed: 11/03/2009
  • Published: 08/19/2010
  • Est. Priority Date: 02/18/2009
  • Status: Abandoned Application
First Claim
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1. An apparatus for solar-energy collection comprising:

  • a first trough reflector including;

    a single-piece, solid optical element having a predominately flat upper aperture surface and a convex lower surface disposed opposite to the upper aperture surface;

    a mirror that is conformally disposed on the convex lower surface, wherein the convex lower surface and mirror are arranged such that sunlight passing through the flat upper aperture surface is reflected and focused by the mirror onto a linear region of the upper aperture surface;

    a linear solar-energy collection element fixedly disposed to receive the focused light reflected by the mirror; and

    means for rotating the first trough reflector around an axis, wherein the axis is non-parallel to the upper aperture surface.

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