Lightweight structure vacuum solar thermal panel
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United States of America Patent
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Nov 12, 2013
Issued Date -
N/A
app pub date -
Aug 6, 2009
filing date -
Aug 26, 2008
priority date (Note) -
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Abstract
A vacuum solar thermal panel includes a vacuum envelope defining a sealed volume able to withstand atmospheric pressure when evacuated. The envelope includes a first plate made of glass, a second plate facing the first plate, a perimeter frame disposed between the first and second plate close to their edge, a metallic perimeter belt joining the perimeter frame to the first plate, a plurality of spaced apart bearing elements disposed against the edges of the first and second plate, and a plurality of traction rods joining the bearing elements with the perimeter frame to pull the perimeter frame toward the bearing elements, in order to limit the deformation of the perimeter frame under the external atmospheric pressure, when the envelope is evacuated.
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