(19)

(11)

EP 4 193 110 A1

(12)

(43) Date of publication: 14.06.2023 Bulletin 2023/24 (21) Application number: 21763152.2 (22) Date of filing: 06.08.2021

(51) International Patent Classification (IPC):  F28F 9/02(2006.01) F28D 1/04(2006.01) (52) Cooperative Patent Classification (CPC): F28D 1/05391; F28F 9/0204; F28F 2265/30; F28F 2265/28; F28F 2009/0285; F28F 2265/14; F28F 9/028; F28F 9/0202; F28F 9/026; F28F 2265/12 (86) International application number: PCT/IT2021/050252 (87) International publication number: WO 2022/029820 (10.02.2022 Gazette 2022/06)

(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: 06.08.2020 IT 202000019486 (71) Applicant: Thermokey S.p.A. 33061 Rivignano Teor (IT)	(72) Inventor: ORTOLANO, Sandro 33033 CODROIPO (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)