SOLAR THERMAL ABSORBER ELEMENT
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United States of America Patent
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Issued Date -
Dec 8, 2016
app pub date -
Jun 6, 2016
filing date -
Jun 8, 2015
priority date (Note) -
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Abstract
A solar thermal collector includes a solar thermal absorber element which includes a cover glass, a direct-flow absorber, a fore thermoplastic sealing for attaching the cover glass and absorber to each other leaving a distance (h1) therebetween, and a fore sealed space, formed by the cover glass, absorber, and fore sealing. The fore space is filled up with a first low thermal conductive gas. The element further includes a back insulation part, a back thermoplastic sealing for attaching the insulation part and the absorber to each other leaving a distance (h2) therebetween, and a back sealed space, formed by the insulation part, absorber, and back sealing. The back space is filled up with a second low thermal conductive gas. The element may include a TPS-direct-flow absorber-glass element, wherein the back glass insulation part is hermetically sealed with the TPS sealing and the back space is filled with the second gas.
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