Temperature control in solar-to-thermal energy converters
Patent
·
OSTI ID:6532448
A solar-to-thermal energy converter is disclosed comprising an insulated frame, a solar energy absorber mounted in the frame, a fluid flow heat exchange means thermally coupled to the absorber to carry away as thermal energy the absorbed solar energy, and a window transmissive to solar energy mounted in the frame above the absorber. A temperature actuated heat loss enhancer is featured comprising a fluid flow heat pickup means thermally coupled to the absorber, an exterior heat rejector element, a fluid flow heat rejector means thermally coupled to the heat rejector element, and a thermally actuated valve connected between said fluid flow pickup and rejector means to form a fluid flow circuit separate from the fluid flow heat exchange means and powered by the heat-produced differential buoyancy forces of the fluid therein when the valve is open.
- Assignee:
- Daystar Corp.
- Patent Number(s):
- US 4102325
- OSTI ID:
- 6532448
- Country of Publication:
- United States
- Language:
- English
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