Solar thermal collector, solar thermal heater and method of manufacturing the same
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United States of America Patent
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Nov 1, 2016
Issued Date -
N/A
app pub date -
Sep 4, 2013
filing date -
Sep 4, 2013
priority date (Note) -
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Abstract
A solar thermal collector including a carrier, channels and a solar selective coating is provided. The channels are embedded in the carrier for a heat transfer fluid flowing therein. The solar selective coating is deposited on an outer surface of the carrier. The solar selective coating includes a damping layer, an absorbing layer and an anti-reflecting layer. The damping layer is deposited on the outer surface of the carrier. The absorbing layer is deposited on the damping layer, wherein the absorbing layer has a transition region including plural sub-layers and located adjacent to the damping layer. The anti-reflecting layer is deposited on the absorbing layer, wherein a light beam is adapted to enter the absorbing layer through the anti-reflecting layer, and irradiation energy of the light beam is transformed by the collector into thermal energy, which is then transmitted to the heat transfer fluid in the channels.
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