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(11)

EP 2 577 044 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 10737110.6 (22) Date of filing: 28.05.2010

(51) International Patent Classification (IPC):  F03B 13/00(2006.01) (86) International application number: PCT/IT2010/000238 (87) International publication number: WO 2011/148399 (01.12.2011 Gazette 2011/48)

(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 SE SI SK SM TR (71) Applicant: CRS S.p.A. 20121 Milano (IT)	(72) Inventor: BAKI, Gyozo, Janos I-20121 Milano (IT) (74) Representative: Mitola, Marco  Jacobacci & Partners S.p.A. Via Berchet 9 35131 Padova 35131 Padova (IT)