ALEXANDRIA, Va., Jan. 26 -- United States Patent no. 11,230,854, issued on Jan. 25, was assigned to Wobben Properties GmbH (Aurich, Germany).
"Method for erecting a wind turbine tower" was invented by Ewald Freese (Ochtersum, Germany) and Olaf Stracke (Emden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The object is attained by a method of erecting a wind turbine tower having a plurality of tower segments which are tensioned by means of tensioning members. A plurality of tensioning members is provided and a fixing unit is fixed at an end of the tensioning members. Fixing of the fixing unit is effected by placing a multi-part wedge unit at a free end of the tensioning members which comprise a plurality of tensioning wires. A sleeve is fitted over the wedge unit and a pulling tab is fixed on or at the sleeve. The pulling tab has an opening. A cable is fixed at or in the hole in the pulling tab. The cable with the fixing unit and thus the tensioning members is pulled upwardly. The fixing unit is fixed at a segment of the tower, that is to be fixed. The sleeve is removed before the tensioning member is braced."
The patent was filed on April 8, 2019, under Application No. 17/043,507.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=11230854&OS=11230854&RS=11230854
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