(19)

(11)

EP 4 196 677 A1

(12)

(43) Date of publication: 21.06.2023 Bulletin 2023/25 (21) Application number: 21770063.2 (22) Date of filing: 17.08.2021

(51) International Patent Classification (IPC):  F03D 13/25(2016.01) F03B 13/16(2006.01) (52) Cooperative Patent Classification (CPC): F03D 13/25; F05B 2240/93; F03D 9/008; F03B 13/1815; F05B 2260/406; F05B 2250/72; F05B 2240/40; F03B 17/061; F05B 2240/912; F05B 2240/9121; F05B 2240/915; F05B 2240/916; Y02E 10/30; Y02E 10/72; Y02E 10/727 (86) International application number: PCT/IB2021/057549 (87) International publication number: WO 2022/038503 (24.02.2022 Gazette 2022/08)

(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: 17.08.2020 NL 2026280 (71) Applicant: Aquamarine Foundation Black River (MU)	(72) Inventor: LEUNISSEN, Thomas Robbert Paul Black River (MU) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)