A method of attaching a tip extension in the form of a sock to a tip end of a wind turbine blade is described. The method involves attaching one or more adhesive-constraining dams to an outer surface of the blade at the tip end and/or to an inner surface of the tip extension. The adhesive-constraining dam(s) are arranged to define and constrain adhesive within one or more bond cavities between the outer surface of the blade and the inner surface of the tip extension when the tip extension is fitted to the blade. The adhesive dams include a friction-reducing layer arranged to facilitate sliding of the tip extension over the tip end of the blade. In preferred embodiments the adhesive dam comprises a foam strip having a PTFE layer on one side.
METHOD OF ATTACHING A TIP EXTENSION TO A WIND TURBINE BLADE AND WIND TURBINE BLADE
VERFAHREN ZUR BEFESTIGUNG EINER SPITZENVERLÄNGERUNG AN EINER WINDTURBINE UND WINDTURBINENBLATT
PROCÉDÉ DE FIXATION D'UNE EXTENSION DE POINTE À UNE PALE D'ÉOLIENNE ET PALE D'ÉOLIENNE
2022-08-17
Patent
Electronic Resource
English
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