(19)
(11)EP 2 336 553 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
11.12.2013 Bulletin 2013/50

(43)Date of publication A2:
22.06.2011 Bulletin 2011/25

(21)Application number: 10194811.5

(22)Date of filing:  13.12.2010
(51)Int. Cl.: 
F03D 1/06  (2006.01)
F03D 11/00  (2006.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30)Priority: 16.12.2009 ES 200931178

(71)Applicant: Acciona Windpower, S.A.
31621 Sarriguren (Navarra) (ES)

(72)Inventors:
  • Nunez Polo, Miguel
    31621, Sarriguren (ES)
  • Garcia Sayes, Jose Miguel
    31621, Sarriguren (ES)

(74)Representative: Pons Ariño, Angel 
Pons Patentes y Marcas Internacional, S.L. Glorieta Rubén Dario 4
28010 Madrid
28010 Madrid (ES)

  


(54)Wind turbine comprising a blade and a bearing


(57) It is disclosed a wind turbine blade bearing that makes it possible to avoid the collision of the blade with the wind turbine tower by providing a separation thereof via the disposal of the blades at an angle with respect to the wind turbine hub; where said angle is given by the bearing of the blade pitch change system.