(19)

(11)

EP 4 204 738 A1

(12)

(43) Date of publication: 05.07.2023 Bulletin 2023/27 (21) Application number: 21770300.8 (22) Date of filing: 23.08.2021

(51) International Patent Classification (IPC):  F24C 14/00(2006.01) F24C 15/32(2006.01) (52) Cooperative Patent Classification (CPC): F24C 14/005; F24C 15/327 (86) International application number: PCT/IB2021/057727 (87) International publication number: WO 2022/043860 (03.03.2022 Gazette 2022/09)

(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: 26.08.2020 IT 202000020491 (71) Applicant: S.P.M. Engineering S.r.l. 33080 Fiume Veneto (Pn) (IT)	(72) Inventor: SARTOR, Ennio 33080 Fiume Veneto (PN) (IT) (74) Representative: PGA S.p.A.  Piazza della Vittoria, 7 25121 Brescia 25121 Brescia (IT)