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EP 3 256 695 A1

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(43) Date of publication: 20.12.2017 Bulletin 2017/51 (21) Application number: 16716277.5 (22) Date of filing: 11.02.2016

(51) International Patent Classification (IPC):  F01C 21/08(2006.01) F04C 2/22(2006.01) F01C 1/22(2006.01) F01C 19/08(2006.01) F01C 21/10(2006.01) F04C 15/00(2006.01) F01C 19/02(2006.01) (86) International application number: PCT/IB2016/050730 (87) International publication number: WO 2016/128926 (18.08.2016 Gazette 2016/33)

(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 MD (30) Priority: 12.02.2015 IT MO20150026 (71) Applicant: CBF S.r.l. 36075 Montecchio Maggiore (VI) (IT)	(72) Inventor: MESSORI, Ledis 42124 Reggio Emilia (IT) (74) Representative: Colò, Chiara  Bugnion S.p.A. Via Vellani Marchi, 20 41124 Modena 41124 Modena (IT)