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Unglazed transpired solar collector having a low thermal-conductance absorber

United States Patent

*** EXPIRED ***
December 2, 1997
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
An unglazed transpired solar collector using solar radiation to heat incoming air for distribution, comprising an unglazed absorber formed of low thermal-conductance material having a front surface for receiving the solar radiation and openings in the unglazed absorber for passage of the incoming air such that the incoming air is heated as it passes towards the front surface of the absorber and the heated air passes through the openings in the absorber for distribution.
Christensen; Craig B. (Boulder, CO), Kutscher; Charles F. (Golden, CO), Gawlik; Keith M. (Boulder, CO)
Midwest Research Institute (Kansas City, MO)
08/ 639,852
April 19, 1996
The United States Government has rights in this invention under Contract No. DE-AC3683CH1009383CH10093 between the U.S. Department of Energy and the National Renewable Energy Laboratory, a Division of Midwest Research Institute.