(19)

(11)

EP 4 259 979 A1

(12)

(43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 21839667.9 (22) Date of filing: 09.12.2021

(51) International Patent Classification (IPC):  F24F 1/0011(2019.01) F24F 1/0063(2019.01) F24F 1/0022(2019.01) F24F 1/0057(2019.01) (52) Cooperative Patent Classification (CPC): F24F 1/0063; F24F 1/0011; F24F 1/0022; F24F 1/0057; F24F 1/0067 (86) International application number: PCT/IB2021/061511 (87) International publication number: WO 2022/123484 (16.06.2022 Gazette 2022/24)

(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: 10.12.2020 IT 202000030377 (71) Applicant: Innova S.r.l. 38089 Storo (TN) (IT)	(72) Inventor: BOTTARO, Oreste 38087 Sella Giudicarie (TN) (IT) (74) Representative: Cantaluppi, Stefano et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)