Bearing for wind turbine
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United States of America Patent
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Jun 23, 2015
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app pub date -
Sep 24, 2009
filing date -
Sep 25, 2008
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Abstract
A bearing has a circular element (12) normally fixed with respect to ground (111). The circular element (12) associated with the ground element is permitted to idle in rotation, so as to distribute wear around the circumference thereof. Various means of controlling and causing idle rotation are disclosed. Rolling elements (113) are preferably provided between inner and outer races (112, 115) of a bearing assembly.
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