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EP 4 367 444 A1

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(43) Date of publication: 15.05.2024 Bulletin 2024/20 (21) Application number: 22748070.4 (22) Date of filing: 05.07.2022

(51) International Patent Classification (IPC):  F24F 5/00(2006.01) F24D 3/16(2006.01) E04B 9/02(2006.01) F24F 13/28(2006.01) F24F 3/16(2021.01) F24F 8/24(2021.01) F24F 7/10(2006.01) F24F 13/068(2006.01) E04B 9/04(2006.01) F24F 13/24(2006.01) F24F 13/02(2006.01) (52) Cooperative Patent Classification (CPC): F24F 5/0092; F24F 7/10; F24F 13/068; F24D 3/165; E04B 9/02; E04B 9/0421; F24F 2221/14; F24F 2221/54; F24F 13/28; F24F 3/16; F24F 13/24; F24F 2013/242; F24F 13/0263; F24F 8/24 (86) International application number: PCT/IB2022/056199 (87) International publication number: WO 2023/281390 (12.01.2023 Gazette 2023/02)

(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: 09.07.2021 IT 202100018194 (71) Applicant: Giacomini S.p.A. 28017 San Maurizio d'Opaglio (NO) (IT)	(72) Inventors: AMATO, Roberto 28017 San Maurizio d'Opaglio (Novara) (IT) ARRUS, Paolo 28017 San Maurizio d'Opaglio (Novara) (IT) FRANZI, Alberto 28017 San Maurizio d'Opaglio (Novara) (IT) ROSA BRUSIN, Marco 28017 San Maurizio d'Opaglio (Novara) (IT) (74) Representative: Praxi Intellectual Property Milano  Via Mario Pagano, 69/A 20145 Milano 20145 Milano (IT)