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(11)

EP 4 798 908 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24791413.8 (22) Date of filing: 22.10.2024

(51) International Patent Classification (IPC):  F24D 3/08(2006.01) F24D 19/10(2006.01) F25B 1/02(2006.01) F24D 3/18(2006.01) F24H 4/02(2022.01) (52) Cooperative Patent Classification (CPC): F24D 2200/12; F24D 19/1066; F24D 3/18; F24D 3/08; F24D 2220/0207; F24H 4/02 (86) International application number: PCT/EP2024/079771 (87) International publication number: WO 2025/087880 (01.05.2025 Gazette 2025/18)

(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: 23.10.2023 IT 202300022170 (71) Applicant: SNF Group 42160 Andrézieux-Bouthéon (FR)	(72) Inventor: BOMBARDI, Danilo 20814 VAREDO (MB) (IT) (74) Representative: Ipsilon  Le Contemporain 50 Chemin de la Bruyère 69574 Dardilly Cedex 69574 Dardilly Cedex (FR)