(19)

(11)

EP 4 295 094 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22709393.7 (22) Date of filing: 16.02.2022

(51) International Patent Classification (IPC):  F25D 21/00(2006.01) G01N 27/14(2006.01) (52) Cooperative Patent Classification (CPC): F25D 21/002 (86) International application number: PCT/IB2022/051375 (87) International publication number: WO 2022/175834 (25.08.2022 Gazette 2022/34)

(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: 16.02.2021 IT 202100003485 (71) Applicant: Carel Industries S.p.A. 35020 Brugine (PD) (IT)	(72) Inventors: DEMO, Luca 35020 Brugine PD (IT) GALATO, Nicolò 35020 Brugine PD (IT) (74) Representative: De Giorgi, Michele et al Società Italiana Brevetti S.p.A. Stradone San Fermo, 21/B 37121 Verona 37121 Verona (IT)