(19)
(11) EP 3 125 418 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:
12.06.2019 Bulletin 2019/24

(45) Mention of the grant of the patent:
08.05.2019 Bulletin 2019/19

(21) Application number: 15178453.5

(22) Date of filing: 27.07.2015
(51) International Patent Classification (IPC): 
H02M 5/458(2006.01)
 H02P 9/48(2006.01)

(54)

A METHOD TO DETECT OR MONITOR THE DEMAGNETIZATION OF A MAGNET

VERFAHREN ZUR DETEKTION ODER ÜBERWACHUNG DER ENTMAGNETISIERUNG EINES MAGNETEN

PROCÉDÉ PERMETTANT DE DÉTECTER OU DE SURVEILLER LA DÉMAGNÉTISATION D'UN AIMANT

(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:
01.02.2017 Bulletin 2017/05

(73) Proprietor: Siemens Gamesa Renewable Energy A/S
7330 Brande (DK)

(72) Inventor:
  • Deng, Heng
    7430 Ikast (DK)

(74) Representative: Aspacher, Karl-Georg et al
Siemens Aktiengesellschaft Postfach 22 16 34
80506 München
80506 München (DE)


(56) References cited: : 
EP-A1- 2 605 390
US-A1- 2014 232 306
 JP-A- 2006 254 521
   
       
    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).