Sun screen structure

Details Sun screen structure Sun screen structure

1977-06-13

1978-05-16

Wintercorn, Richard A.

Stoves and furnaces

Stoves

Cooking

126271, G02B 1700, G02B 2700, F24J 302

Patent

active

040895947

ABSTRACT:
A sun screen structure is disclosed which consists of a covering for external building surfaces that reflect sunlight during summer months and admit it during winter months to help stabilize internal building temperatures. The covering consists of a planar array of short focal length optical lenses. A pattern of light-reflective and light-transmissive surfaces is located at the focal plane of each lens in the array. The lenses project the rays of the sun onto the reflective or transmissive surfaces, depending on the angle of elevation of the rays with respect to the horizon. The reflective surfaces are located so that the rays are reflected away from the building during the summer months. The transmissive surfaces are located so that the rays are transmitted towards the building interior during the winter months.

REFERENCES:
patent: 2812691 (1957-11-01), Boyd
patent: 3085473 (1963-04-01), Bourgeaux et al.
patent: 3453039 (1969-07-01), Osborne

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