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Prismatic solar reflector apparatus and method of solar tracking

  • US 4,154,219 A
  • Filed: 03/11/1977
  • Issued: 05/15/1979
  • Est. Priority Date: 03/11/1977
  • Status: Expired due to Term
First Claim
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1. Apparatus for reflecting and concentrating solar rays in a solar energy collection system, comprising a receiver for collecting said reflected solar rays, and a prism member having an index of refraction equal to or greater than the square root of two to provide total internal reflection of incident solar rays toward said receiver, said prism member including a first face for receiving the incident solar rays and transmitting the rays through the prism member, and a plurality of pairs of prism faces each pair being oriented at substantially 90 degrees relative to each other to totally reflect each transmitted ray back through said first face to the receiver in a plane of reflection parallel to the plane of incidence of the corresponding incident ray.

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