(19)
(11) EP 3 423 712 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:
11.11.2020 Bulletin 2020/46

(45) Mention of the grant of the patent:
30.09.2020 Bulletin 2020/40

(21) Application number: 17759037.9

(22) Date of filing: 01.03.2017
(51) International Patent Classification (IPC): 
F03D 80/40(2016.01)
 F24F 13/02(2006.01)
(86) International application number:
PCT/CA2017/050266
(87) International publication number:
WO 2017/147698 (08.09.2017 Gazette 2017/36)

(54)

WIND TURBINE BLADE DE-ICING SYSTEMS AND METHODS

WINDTURBINENSCHAUFELENTEISUNGSSYSTEME UND -VERFAHREN

SYSTÈMES ET PROCÉDÉS DE DÉGIVRAGE DE PALE D'ÉOLIENNE

(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: 01.03.2016 US 201662301832 P

(43) Date of publication of application:
09.01.2019 Bulletin 2019/02

(73) Proprietor: Borealis Wind Inc.
Kitchener, ON N2G 1H6 (CA)

(72) Inventors:
  • ROEPER, Daniela
    Oakville, Ontario L6J 3Y6 (CA)
  • BAXTER, Dylan James
    Kamloops, British Columbia V2H 1S5 (CA)
  • SOTRES, Aiden Gabriel
    North Vancouver, British Columbia V7L 3W3 (CA)
  • PARKIN, Jonathan
    Abbotsford, British Columbia V3G 1S1 (CA)

(74) Representative: Humphrey-Evans, Edward John 
HEIPS
1 Hawkes Close Wokingham, Berkshire RG41 2SZ
1 Hawkes Close Wokingham, Berkshire RG41 2SZ (GB)


(56) References cited: : 
WO-A1-2015/048974
CA-A1- 2 669 337
CA-A1- 2 914 727
CA-A1- 2 933 215
CA-A1- 2 959 567
DE-A1- 19 621 485
 CA-A1- 2 017 420
CA-A1- 2 900 118
CA-A1- 2 914 727
CA-A1- 2 933 215
CN-A- 102 748 243
US-A- 2 576 487
   
       
    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).