(19)

(11)

EP 2 771 555 A1

(12)

(43) Date of publication: 03.09.2014 Bulletin 2014/36 (21) Application number: 12813455.8 (22) Date of filing: 26.10.2012

(51) International Patent Classification (IPC):  F02C 9/28(2006.01) (86) International application number: PCT/IB2012/055924 (87) International publication number: WO 2013/061301 (02.05.2013 Gazette 2013/18)

(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: 26.10.2011 IT MI20111941 (71) Applicant: Ansaldo Energia S.p.A. Genova (IT)	(72) Inventors: PIANA, Gianfranco I-15076 Ovada (IT) FARAUANU, Gabriela I-16137 Genova (IT) (74) Representative: Andreotti, Erika et al Studio Torta S.p.A. Via Viotti, 9 IT-10121 Torino IT-10121 Torino (IT)