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(11)

EP 3 894 707 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19813135.1 (22) Date of filing: 13.11.2019

(51) International Patent Classification (IPC):  F04D 13/06(2006.01) F04D 13/14(2006.01) (52) Cooperative Patent Classification (CPC): F04D 13/0666; F04D 13/14; F04D 15/0072 (86) International application number: PCT/IB2019/059747 (87) International publication number: WO 2020/121083 (18.06.2020 Gazette 2020/25)

(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: 11.12.2018 IT 201800010971 (71) Applicant: Industrie Saleri Italo S.P.A. 25065 Lumezzane, Brescia (IT)	(72) Inventors: SURACE, Alfonso 25065 Lumezzane, Brescia (IT) PEDERSOLI, Marco 25065 Lumezzane, Brescia (IT) CORNACCHIA, Simone 25065 Lumezzane, Brescia (IT) (74) Representative: Gamba, Alessandro  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)