Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 24, 2018
Patent Application Number
14978564
Date Filed
December 22, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A wind turbine blade assembly includes a rotary shaft, and a plurality of blade units connected to the rotary shaft and angularly spaced apart from each other. Each blade unit includes a grid frame connected to the rotary shaft and formed with a plurality of grid spaces, a plurality of blade panels swingably connected to the grid frame and corresponding in position to the grid spaces, and a plurality of counterweight members respectively disposed on the swing ends of the blade panels. Each counterweight member includes a soft hollow main body and a counterweight fluid accommodated in the main body.
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