Solar tracking device
Patent
·
OSTI ID:5648350
Solar tracking apparatus is disclosed which utilizes received solar energy to effect tracking movements. The apparatus comprises focussing means, mounting means mounting the focussing means for tracking movements of the sun, and drive means including heat expansible members movable with the focussing means. The heat expansible members are disposed relative to the focussing means so as to receive different amounts of solar radiation from the focussing means when the focussing means is misaligned with the sun so as to produce a differential expansion therein. The drive means is operable on differential expansion of said heat expansible members to cause movement of the focussing means in a direction towards realignment with the sun.
- Assignee:
- Vulcan Australia Ltd (Australia)
- Patent Number(s):
- US 4304221
- OSTI ID:
- 5648350
- Country of Publication:
- United States
- Language:
- English
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