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U.S. Department of Energy
Office of Scientific and Technical Information

Nontracking parabolic solar energy collector apparatus

Patent ·
OSTI ID:5862923
A mirror collector having a generally parabolic surface terminating near the vertex in a circular or cylindrical curve, an evacuated cylindrical heat entrapment tube composed of a clear glass for energy admission and an elongated, U-shaped heat collector tube centrally located in the heat entrapment tube for passing an inner fluid to be heated. The U-shaped tube is constructed of copper with a selective absorption coating for receiving heat and positioned so that the mirror collector concentrates substantially all incoming energy upon the central heat collector tube for providing a concentration factor of about four (4).
Assignee:
Advanced and Solar Systems
Patent Number(s):
US 4543946
OSTI ID:
5862923
Country of Publication:
United States
Language:
English