Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 3, 2011
Patent Application Number
11845277
Date Filed
August 27, 2007
Patent Primary Examiner
Patent abstract
A drive train for a wind turbine is provided. The wind turbine comprises a low speed shaft connected to blades of the wind turbine and a higher speed shaft connected to a generator. The drive train also includes a bearing that substantially supports the weight of at least the low speed shaft. A compound planetary gear stage is connected to the low speed shaft and the higher speed shaft, and includes a rotating carrier, a non-rotating ring gear, a plurality of planetary gears, and a rotating sun gear. The sun gear is connected to the higher speed shaft.
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