DOUBLE-REGULATED TURBINE, INSTALLATION FOR CONVERTING HYDRAULIC ENERGY AND PROCESS FOR THE REHABILITATION OF A DOUBLE-REGULATED TURBINE
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Apr 17, 2015
filing date -
May 8, 2014
priority date (Note) -
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Abstract
The double-regulated turbine comprises a spherical hub, adapted to rotate around a first rotation axis, and blades, which are each able to be swivelled relative to the hub around a second rotation axis, transversal to the first rotation axis, by respective coupling flanges that are mounted fixedly on the spherical hub and that include each an attachment surface for a corresponding blade. The attachment surface of the coupling flanges includes a flat portion.
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