(19)

(11)

EP 3 198 138 A1

(12)

(43) Date of publication: 02.08.2017 Bulletin 2017/31 (21) Application number: 15778034.7 (22) Date of filing: 14.09.2015

(51) International Patent Classification (IPC):  F03B 17/00(2006.01) (86) International application number: PCT/IB2015/057032 (87) International publication number: WO 2016/046689 (31.03.2016 Gazette 2016/13)

(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 Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 25.09.2014 IT RM20140546 (71) Applicant: Cossu, Bruno 00068 Rignano Flaminio (RM) (IT)	(72) Inventor: Cossu, Bruno 00068 Rignano Flaminio (RM) (IT) (74) Representative: Fiammenghi, Eva et al Fiammenghi - Fiammenghi Via delle Quattro Fontane, 31 00184 Roma 00184 Roma (IT)