Absorber tube and method for the reversible loading and unloading of a getter material
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Oct 26, 2010
filing date -
Oct 27, 2009
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Abstract
An absorber tube, especially for solar collectors in solar thermal power plants with at least one collector mirror, is provided. The absorber tube includes a metal tube for supplying and heating a heat transfer medium, a sheath tube surrounding the metal tube to form an annular space that can be evacuated, a wall extending through the sheath tube and the metal tube to seal the annular space, and a getter material binding free hydrogen in the annular space. The absorber tube has a temperature variation device that changes the temperature of the getter material and the wall.
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