(19)

(11)

EP 2 758 671 A1

(12)

(43) Date of publication: 30.07.2014 Bulletin 2014/31 (21) Application number: 12780800.4 (22) Date of filing: 21.09.2012

(51) International Patent Classification (IPC):  F04D 29/58(2006.01) F04D 25/08(2006.01) (86) International application number: PCT/IB2012/001865 (87) International publication number: WO 2013/041954 (28.03.2013 Gazette 2013/13)

(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 (30) Priority: 23.09.2011 IT BO20110543 (71) Applicant: SPAL Automotive S.r.l. 42015 Correggio (IT)	(72) Inventor: DE FILIPPS, Pietro 17019 Varezze (IT) (74) Representative: Puggioli, Tommaso  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)