METHOD FOR LUBRICATING AT LEAST ONE BEARING OF A WIND TURBINE
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Jul 26, 2012
filing date -
Jul 27, 2011
priority date (Note) -
Abandoned
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Abstract
A method for lubricating a bearing of a variable-pitch wind turbine is disclosed. The electrical capacitance and/or resistance of the bearing is measured and the state of lubrication of the bearing by is determined from the measurement. The bearing is lubricated when state of lubrication indicates that the bearing is insufficiently lubricated. A variable-pitch wind turbine is using the method is also disclosed
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