(19)
(11) EP 4 551 457 A1

(12)

(43) Date of publication:
14.05.2025 Bulletin 2025/20

(21) Application number: 23736348.6

(22) Date of filing: 30.06.2023
(51) International Patent Classification (IPC): 
B63H 9/061(2020.01)
(52) Cooperative Patent Classification (CPC):
B63H 9/0635; B63H 9/0621
(86) International application number:
PCT/EP2023/067972
(87) International publication number:
WO 2024/008573 (11.01.2024 Gazette 2024/02)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 08.07.2022 EP 22183866

(71) Applicant: AlfaWall Oceanbird AB
147 80 Tumba (SE)

(72) Inventors:
  • ALVÁN, Jonas
    167 64 BROMMA (SE)
  • BENGTSSON EDSTRÖM, Annika
    TYRESÖ SE-135 63 (SE)
  • RAZOLA, Mikael
    132 37 SALTSJÖ-BOO (SE)
  • FRIDSELL, Magnus
    192 54 SOLLENTUNA (SE)

(74) Representative: Alfa Laval Attorneys 
Alfa Laval Corporate AB Group Patent P.O. Box 73
221 00 Lund
221 00 Lund (SE)

   


(54) WINGSAIL STRUCTURE FOR A WIND-ASSISTED PROPULSION ARRANGEMENT FOR A MARINE VESSEL