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(11)

EP 4 824 482 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24834612.4 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  F25B 6/02(2006.01) F25B 27/02(2006.01) F25B 30/02(2006.01) B01D 51/00(2006.01) B01D 53/75(2006.01) F25B 7/00(2006.01) F25B 29/00(2006.01) B01D 53/34(2006.01) B01D 53/62(2006.01) F23J 15/06(2006.01) (52) Cooperative Patent Classification (CPC): F25B 6/02; F25B 7/00; F25B 30/02; B01D 53/1475; B01D 53/62; B01D 2257/504; B01D 2252/102; B01D 53/343; F25B 1/10; F25B 2400/23; F25B 25/005; F25B 2339/047; F25B 2400/27 (86) International application number: PCT/EP2024/025341 (87) International publication number: WO 2025/124743 (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: 15.12.2023 IT 202300026847 (71) Applicant: Nuovo Pignone Tecnologie - S.r.l. 50127 Florence (IT)	(72) Inventors: BECKER, Thomas Walter 65396 Walluf (DE) SCHNOOR, Birger 60598 Frankfurt, Hesse (DE) (74) Representative: Illingworth-Law, William Illingworth  Baker Hughes 245 Hammersmith Chalk Hill Road London W6 8DW London W6 8DW (GB)