(19)

(11)

EP 4 127 451 A1

(12)

(43) Date of publication: 08.02.2023 Bulletin 2023/06 (21) Application number: 21774878.9 (22) Date of filing: 24.03.2021

(51) International Patent Classification (IPC):  F03B 13/18(1985.01) (52) Cooperative Patent Classification (CPC): F03B 13/189; F05B 2260/404; F05B 2260/421; F03B 13/1845; Y02E 10/30 (86) International application number: PCT/NO2021/050077 (87) International publication number: WO 2021/194351 (30.09.2021 Gazette 2021/39)

(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: 26.03.2020 NO 20200363 (71) Applicant: Ocean Energies AS 4021 Stavanger (NO)	(72) Inventor: MOEN, Lyder 4056 Tananger (NO) (74) Representative: Håmsø Patentbyrå AS  P.O. Box 9 4068 Stavanger 4068 Stavanger (NO)