Wind turbine comprising a blade and a bearing

(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.