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

Turning collectors for solar radiation

Patent ·
OSTI ID:862650

A device is provided for turning a solar collector about the polar axis so that the collector is directed toward the sun as the sun tracks the sky each day. It includes two heat-expansive elements and a shadow plate. In the morning a first expansive element is heated, expands to turn the collector to face the sun, while the second expansive element is shaded by the plate. In the afternoon the second element is heated, expands to turn the collector to face the sun, while the first is shaded by the plate.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL
DOE Contract Number:
W-31109-ENG-38
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Number(s):
US 3982526
OSTI ID:
862650
Country of Publication:
United States
Language:
English