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EP 3 990 786 A1

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(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20734397.1 (22) Date of filing: 26.06.2020

(51) International Patent Classification (IPC):  F04D 17/16(2006.01) F04D 29/66(2006.01) F04D 29/42(2006.01) (52) Cooperative Patent Classification (CPC): F04D 29/665; F04D 29/424; F04D 17/162; F04D 29/4213 (86) International application number: PCT/EP2020/068026 (87) International publication number: WO 2020/260582 (30.12.2020 Gazette 2020/53)

(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: 28.06.2019 IT 201900010446 (71) Applicant: Phononic Vibes S.r.l. 20158 Milano (IT)

(72) Inventors: D'ALESSANDRO, Luca 20158 Milano (IT) CAVERNI, Stefano 20158 Milano (IT) CAPELLARI, Giovanni 20158 Milano (IT) CONTI, Sebastiano 20143 Milano (IT) PANICCIA', Valentina 63821 Porto Sant'Elpidio (Fermo (IT) MORI, Francesco 23900 Lecco (IT) MEDURI, Simone 20158 Milano (IT) RAMÍREZ MARTÍNEZ, Javier Ángel 11402 Jerez de la Frontera, Cadice (ES) (74) Representative: Zelioli, Giovanni  Botti & Ferrari S.p.A. Via Cappellini, 11 20124 Milano 20124 Milano (IT)