Method and system for concentration of solar thermal energy
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United States of America Patent
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May 12, 2015
Issued Date -
N/A
app pub date -
Oct 7, 2010
filing date -
Oct 7, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A solar thermal concentration system has a receiver, a rail system having a plurality of concentric rails circularly disposed about the receiver, a plurality of movable carts connected adjacent one another and spanning two concentric rails of the rail system, motor means on a movable cart dispersed in the plurality of movable carts, a heliostat mirror on a plurality of movable carts, and a controller for tracking the Sun and controlling a position of the array with respect to the receiver and the Sun. The plurality of movable carts over all of the concentric rails define an array of heliostat mirrors having a predetermined arc dimension configured to maximize mirror area based on cosine efficiency principle. Each heliostat mirror and each movable cart having motor means is in communication with the controller for moving the carts and heliostat mirrors with respect to the receiver and the Sun.
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