Flat hollow tube solar collector
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United States of America Patent
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Oct 28, 2014
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N/A
app pub date -
Jun 6, 2012
filing date -
Jun 6, 2012
priority date (Note) -
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Abstract
A flat evacuated-tube solar collector includes two parallel collecting tubes, a plurality of parallel evacuated tubes perpendicularly installed between two collecting tubes. Each evacuated tube includes two distal tube sections and a middle section situated between the two distal tube sections, and the middle section is in a flat shape, and has a cross-sectional area greater than that of the distal tube sections. The flat evacuated tubes substitute the conventional fins soldered onto a flat panel solar collector to receive sunlight, while the characteristic of two distal ends of the evacuated tube having a smaller cross-section than the middle section maintains an appropriate spacing between the collecting tube and a connecting point of the evacuated tube to assure the structural strength of the collecting tube.
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