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EP 4 384 768 A1

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(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22761284.3 (22) Date of filing: 04.08.2022

(51) International Patent Classification (IPC):  F28D 7/00(2006.01) F28F 9/02(2006.01) F28F 21/08(2006.01) F28D 21/00(2006.01) F28D 7/16(2006.01) F28F 9/18(2006.01) F25B 35/02(2006.01) (52) Cooperative Patent Classification (CPC): F28F 2225/08; F28F 2210/08; F28D 7/16; F28D 2021/0068; F28F 9/0221; F28F 9/0229; F28F 9/18; F28F 2270/00; F28F 21/082; F28D 7/0066; F28F 2009/0287; F25B 35/02; F25B 2315/002 (86) International application number: PCT/IB2022/057253 (87) International publication number: WO 2023/017373 (16.02.2023 Gazette 2023/07)

(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: 09.08.2021 IT 202100021518 (71) Applicant: ARISTON S.P.A. 60044 Fabriano (AN) (IT)	(72) Inventors: TISCHER, Luigi 24020 Gorle (IT) BREVI, Pietro 24060 Bagnatica (IT) CABRI, Gianmarco 43044 Collecchio (IT) CAPPADOZZI, Riccardo 03100 Frosinone (IT) (74) Representative: Savi, Massimiliano et al Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30 20149 Milano 20149 Milano (IT)