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(11)

EP 4 232 716 A1

(12)

(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 21789827.9 (22) Date of filing: 27.09.2021

(51) International Patent Classification (IPC):  F04D 13/06(2006.01) F04D 29/42(2006.01) F04D 29/58(2006.01) (52) Cooperative Patent Classification (CPC): F04D 29/426; F04D 29/5806; F05D 2300/5024; F05D 2300/44; F04D 13/0606; F04D 29/5813; F04D 29/5893 (86) International application number: PCT/IB2021/058797 (87) International publication number: WO 2022/090829 (05.05.2022 Gazette 2022/18)

(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: 26.10.2020 IT 202000025315 (71) Applicant: Industrie Saleri Italo S.P.A. 25065 Lumezzane, Brescia (IT)	(72) Inventors: SURACE, Alfonso 25065 Lumezzane, Brescia (IT) MUSCIO, Danilo 25065 Lumezzane, Brescia (IT) DALLERA, Luca 25065 Lumezzane, Brescia (IT) (74) Representative: Gamba, Alessandro  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)