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(11)

EP 3 941 782 A1

(12)

(43) Date of publication: 26.01.2022 Bulletin 2022/04 (21) Application number: 20772660.5 (22) Date of filing: 16.03.2020

(51) International Patent Classification (IPC):  B60L 53/80(2019.01) B63H 21/17(2006.01) B60S 5/06(2019.01) (52) Cooperative Patent Classification (CPC): B60L 2200/32; B60L 2240/62; B60L 2260/32; B60S 5/06; B63B 25/008; B63H 21/17; B60L 53/80; Y02T 10/70; Y02T 10/7072; Y02T 10/72; Y02T 90/16 (86) International application number: PCT/NO2020/050073 (87) International publication number: WO 2020/190147 (24.09.2020 Gazette 2020/39)

(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 (30) Priority: 21.03.2019 NO 20190386 (71) Applicant: HAF Power Solutions AS 7069 Trondheim (NO)	(72) Inventors: HØGLUND, Kåre 3124 Tönsberg (NO) DALE, Kjell-Christian KROHN 6007 Aalesund (NO) (74) Representative: Curo AS  Vestre Rosten 81 7075 Tiller 7075 Tiller (NO)