(19)

(11)

EP 4 469 723 A1

(12)

(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 23705064.6 (22) Date of filing: 23.01.2023

(51) International Patent Classification (IPC):  F23C 9/00(2006.01) F23D 14/66(2006.01) F23D 14/22(2006.01) (52) Cooperative Patent Classification (CPC): F23D 14/22; F23D 14/66; F23C 2202/30; F23C 9/00 (86) International application number: PCT/IB2023/050538 (87) International publication number: WO 2023/139547 (27.07.2023 Gazette 2023/30)

(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: KH MA MD TN (30) Priority: 24.01.2022 IT 202200001109 (71) Applicant: C.I.B. Unigas S.p.A. 35011 Campodarsego (Padova) (IT)	(72) Inventor: PANCOLINI, Riccardo 35011 Campodarsego (Padova) (IT) (74) Representative: Anselmi, Davide  Bugnion S.p.A. Via Pancaldo, 68 37138 Verona 37138 Verona (IT)