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(11)

EP 3 887 729 A1

(12)

(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19831896.6 (22) Date of filing: 29.11.2019

(51) International Patent Classification (IPC):  F24F 1/0014(2019.01) F24F 5/00(2006.01) F24F 1/0033(2019.01) (52) Cooperative Patent Classification (CPC): F24F 5/0096; F24F 1/005; F24F 1/0033; F24F 1/0014; F24F 11/79 (86) International application number: PCT/IB2019/060332 (87) International publication number: WO 2020/110085 (04.06.2020 Gazette 2020/23)

(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: 29.11.2018 IT 201800010686 (71) Applicant: AERMEC S.p.A. 37040 Bevilacqua (VR) (IT)	(72) Inventors: RIELLO, Giordano 37040 Bevilacqua (VR) (IT) CAVALLO, Pierpaolo 37040 Bevilacqua (VR) (IT) FACCIO, Franco 37040 Bevilacqua (VR) (IT) (74) Representative: Bellemo, Matteo et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)