(19)

(11)

EP 2 601 406 A1

(12)

(43) Date of publication: 12.06.2013 Bulletin 2013/24 (21) Application number: 11760563.4 (22) Date of filing: 05.08.2011

(51) International Patent Classification (IPC):  F03B 17/06(2006.01) (86) International application number: PCT/IB2011/053506 (87) International publication number: WO 2012/017416 (09.02.2012 Gazette 2012/06)

(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: 06.08.2010 IT PR20100068 (71) Applicant: Ricci, Pierangelo 43123 Parma (IT)	(72) Inventor: Ricci, Pierangelo 43123 Parma (IT) (74) Representative: Benelli, Cristian et al Ing. Dallaglio S.R.L. Via Mazzini N. 2 43121 Parma 43121 Parma (IT)