(19)
(11) EP 2 593 671 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
21.09.2016 Bulletin 2016/38

(45) Mention of the grant of the patent:
29.06.2016 Bulletin 2016/26

(21) Application number: 11733561.2

(22) Date of filing: 12.07.2011
(51) International Patent Classification (IPC): 
F03D 17/00(2016.01)
G01M 5/00(2006.01)
F03D 80/40(2016.01)
G01L 1/24(2006.01)
(86) International application number:
PCT/DK2011/050275
(87) International publication number:
WO 2012/007005 (19.01.2012 Gazette 2012/03)

(54)

METHOD AND SYSTEM FOR MONITORING BENDING STRAIN ON WIND TURBINE BLADES

VERFAHREN UND SYSTEM ZUR BEOBACHTUNG DER BIEGEBEANSPRUCHUNG VON WINDTURBINENSCHAUFELN

PROCÉDÉ ET SYSTÈME DE SURVEILLANCE DE CAPTEURS DE DÉFORMATION POUR PALES D'ÉOLIENNES


(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

(30) Priority: 14.12.2010 GB 201021226
14.07.2010 US 364079 P

(43) Date of publication of application:
22.05.2013 Bulletin 2013/21

(73) Proprietor: Vestas Wind Systems A/S
8200 Aarhus N (DK)

(72) Inventor:
  • OLESEN, Ib Svend
    DK-8930 Randers (DK)

(74) Representative: Vestas Patents Department 
Hedeager 42
8200 Aarhus N
8200 Aarhus N (DK)


(56) References cited: : 
WO-A1-2009/067051
US-A1- 2003 216 879
US-A1- 2009 169 357
WO-A1-2009/109655
US-A1- 2008 078 228
US-A1- 2009 263 246
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).