Apparatus and method for extracting focused solar radiant energy
A solar heat collecting apparatus is described comprising a solar collector panel; rotatable support means for rotatably supporting the solar panel about a horizontal and a vertical axis; and drive means for rotating the panel about the two axes. The collector panel consists a battery of individual collector units, each collector unit comprising an elongated trough member, a concave reflective surface forming at least a portion of the interior surface of the trough. A fluid-carrying pipe extends longitudinally within the trough member, the longitudinal axis of the pipe being substantially coincident with the focal line of the concave reflector surface, the fluid-carrying pipe being formed of material that is substantially transparent to solar radiation; and a linear focusing lens substantially covering and extending over the concave reflective surface, the focal line for the linear lens being substantially coincident with the longitudinal axis of the fluid-carrying pipe.
- Assignee:
- NOV; EDB-89-122640; NOV-89-068056
- Patent Number(s):
- US 4823772
- OSTI ID:
- 5999946
- Country of Publication:
- United States
- Language:
- English
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