The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2017
Filed:
Aug. 19, 2016
Acciona Windpower, S.a., Navarra, ES;
Teresa Arlaban Gabeiras, Navarra, ES;
José Miguel García Sayés, Navarra, ES;
Ander Gastón Lujambio, Navarra, ES;
Miguel Núñez Polo, Navarra, ES;
Alvaro Gorostidi Martinez de Lecea, Navarra, ES;
ACCIONA WINDPOWER, S.A., Navarra, ES;
Abstract
The wind turbine has a tower; a nacelle; and a hub comprising a hub connection flange for being detachably connected to a blade connection flange of a rotor blade. The method comprises the next steps: fixing a first positioning element in the nacelle or in the top of the tower; fixing a second positioning element to the blade in a root blade area; lifting the blade to the vicinity of the hub connection flange by means of lifting means; putting into contact the first and the second positioning elements; providing an accurate position of the blade connection flange, prior to the connection to the hub connection flange, by cooperation of the first and second positioning elements; and providing, when the first and the second positioning elements cooperate, a trajectory of the blade which is parallel to the axis of a hub connection hole, disposed in the hub connection flange, the provision of the trajectory being carried out by means of a guided element joined to either the first positioning element, the second positioning element, or both.