(19)
(11) EP 3 139 038 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:
15.05.2019 Bulletin 2019/20

(45) Mention of the grant of the patent:
06.03.2019 Bulletin 2019/10

(21) Application number: 15183407.4

(22) Date of filing: 01.09.2015
(51) International Patent Classification (IPC): 
F03D 17/00(2016.01)

(54)

A METHOD FOR ESTIMATING THE SURFACE CONDITION OF A ROTATING BLADE

VERFAHREN ZUR SCHÄTZUNG DES OBERFLÄCHENZUSTANDES EINES SICH DREHENDEN SCHAUFELBLATTS

PROCÉDÉ POUR ESTIMER L'ÉTAT DE SURFACE D'UNE PALE ROTATIVE

(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

(43) Date of publication of application:
08.03.2017 Bulletin 2017/10

(73) Proprietor: Nidec SSB Wind Systems GmbH
48499 Salzbergen (DE)

(72) Inventors:
  • BERTOLOTTI, Dr. Fabio
    48455 Bad Bentheim (DE)
  • VAN SCHELVE, Jens
    28195 Bremen (DE)

(74) Representative: Bossmeyer, Jörg Peter 
Wassermannstrasse 25
49074 Osnabrück
49074 Osnabrück (DE)


(56) References cited: : 
EP-A1- 2 840 258
 EP-A2- 2 772 643
   
       
    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).