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EP 3 123 031 A1

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(43) Date of publication: 01.02.2017 Bulletin 2017/05 (21) Application number: 14721501.6 (22) Date of filing: 24.03.2014

(51) International Patent Classification (IPC):  F04D 1/06(2006.01) F04D 29/22(2006.01) F04D 7/04(2006.01) F04D 29/041(2006.01) F04D 29/16(2006.01) F04D 13/08(2006.01) (86) International application number: PCT/IB2014/060106 (87) International publication number: WO 2015/145196 (01.10.2015 Gazette 2015/39)

(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 (71) Applicant: Pedrollo S.p.a. 37047 San Bonifacio (Verona) (IT)	(72) Inventor: PEDROLLO, Silvano I-37047 San Bonifacio (VR) (IT) (74) Representative: Manzella & Associati  Via dell'Indipendenza, 13 40121 Bologna 40121 Bologna (IT)