Pitch assembly for a wind turbine rotor blade
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
Jul 1, 2015
filing date -
Jul 1, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure is directed to a pitch assembly for coupling a rotor blade to a hub of a wind turbine. In one embodiment, the pitch assembly includes a first pitch bearing having a first outer race and a first inner race rotatable relative to the first outer race via a first set of rolling elements, a second pitch bearing having a second outer race and a second inner race rotatable relative to the second outer race via a second set of rolling elements, and at least one spacer configured axially between and contacting the first and second pitch bearings. Further, at least a portion of the first pitch bearing and at least a portion of the second pitch bearing are axially aligned between the rotatable hub and the rotor blade in a generally span-wise direction.
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