Solar tracking device
Solar energy converting apparatus is disclosed which comprises: (a) focusing means having a focal plane; (b) solar energy absorbing means located along the focal line of the focusing means; (c) a support structure including mounting means for rotating the focusing means about an axis which is co-incident with the focal line of the focusing means; and (d) solar tracking means having an optical plane which is parallel to said focal plane, said tracking means including two heat extensible members which are arranged to receive equal amounts of heat from solar energy when the optical plane is directed at the sun and to receive unequal amounts of heat from solar energy when the optical plane is not directed at the sun, said extensible members being coupled to act between the support structure and the focusing means to cause rotation of the focusing means in accordance with the heat received by respective extensible members. Thus the energy required for tracking the sun is derived directly from the received solar energy.
- Assignee:
- Malz Nominees Pty. Ltd.
- Patent Number(s):
- US 4089323
- OSTI ID:
- 6520484
- Country of Publication:
- United States
- Language:
- English
Similar Records
Sun tracking device
Parabolic trough solar energy collector assembly