(19)

(11)

EP 3 850 219 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19765816.4 (22) Date of filing: 18.07.2019

(51) International Patent Classification (IPC):  F04D 9/06(2006.01) F04D 15/00(2006.01) (86) International application number: PCT/IT2019/050168 (87) International publication number: WO 2020/053906 (19.03.2020 Gazette 2020/12)

(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: 12.09.2018 IT 201800008547 (71) Applicant: Pedrollo S.p.a. 37047 San Bonifacio (Verona) (IT)	(72) Inventor: NICOLIN, Luca 37047 San Bonifacio (VR) (IT) (74) Representative: Manzella & Associati  Via dell'Indipendenza, 13 40121 Bologna 40121 Bologna (IT)