System of secondary reflectors with high level of efficiency for storage and use of energy from a solar source
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United States of America Patent
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Dec 18, 2018
Grant Date -
Mar 17, 2016
app pub date -
May 2, 2014
filing date -
May 3, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A secondary optical system to increase efficiency in collecting solar radiation concentrated by primary mirrors in “beam-down” plant configurations is described. Such secondary optical system is formed at least by two reflectors—preferably in form of plane mirrors arranged at different heights—oriented to associate to each of them a sub-section of a primary field of heliostats. The secondary reflectors—each one associated to a different primary focus F1,i (i=1, . . . , n) corresponding to a sub-set of primary concentrators—allow concentration of solar rays towards a single secondary focus F2.
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