(19)

(11)

EP 4 304 927 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 21712468.4 (22) Date of filing: 12.03.2021

(51) International Patent Classification (IPC):  B63H 5/14(2006.01) B63H 1/16(2006.01) B63H 25/46(2006.01) B63H 5/16(2006.01) B63H 1/18(2006.01) (52) Cooperative Patent Classification (CPC): B63H 5/16; B63H 1/18; B63H 1/16; B63H 25/46 (86) International application number: PCT/EP2021/056331 (87) International publication number: WO 2022/188988 (15.09.2022 Gazette 2022/37)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Wärtsilä Netherlands B.V. 5151 DM Drunen (NL)	(72) Inventor: TIAINEN, Lauri 5151 DM Drunen (NL) (74) Representative: Genip Oy  Heikinkatu 7 48100 Kotka 48100 Kotka (FI)