(19)

(11)

EP 4 824 393 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828189.1 (22) Date of filing: 04.12.2024

(51) International Patent Classification (IPC):  F01C 1/077(2006.01) F04C 18/077(2006.01) F04C 29/02(2006.01) F01C 21/08(2006.01) F01C 21/00(2006.01) F04C 29/00(2006.01) F04C 21/00(2006.01) F01C 9/00(2006.01) (52) Cooperative Patent Classification (CPC): F01C 1/077; F04C 18/077; F04C 29/023; F04C 29/0007; F01C 21/001; F04C 21/002; F01C 9/002; F01C 21/08; F04C 2240/20 (86) International application number: PCT/NO2024/050272 (87) International publication number: WO 2025/127936 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 13.12.2023 NO 20231344 (71) Applicant: Otechos AS 4900 Tvedestrand (NO)	(72) Inventor: THRANE, Fredrik Christopher 4916 Borøy (NO) (74) Representative: Zacco Norway AS  P.O. Box 488 Skøyen 0213 Oslo 0213 Oslo (NO)