Flat plate solar collector
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United States of America Patent
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Aug 5, 1997
Issued Date -
N/A
app pub date -
Jan 25, 1996
filing date -
Jan 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flat plate solar collector comprising a planar glazing and a rear housing formed into a number of semi-circular cells to receive fin-tube absorbers with minimal direct contact, the glazing being a low iron glass with an anti-reflective exterior coating and a low emissivity interior coating, the glazing being directly supported by the rear housing cells, the interior wall of the rear housing and the lower side of the fin-tube absorber having low emissivity surfaces. At least one radiation shield member having low emissivity upper and lower surfaces is positioned between the fin-tube absorber and the rear housing. The collector is evacuated by atmosphere control means also capable of reintroducing atmosphere into the collector to control internal temperature.
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