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(11)

EP 2 630 338 A1

(12)

(43) Date of publication: 28.08.2013 Bulletin 2013/35 (21) Application number: 11804794.3 (22) Date of filing: 20.10.2011

(51) International Patent Classification (IPC):  F01D 17/08(2006.01) F01D 17/02(2006.01) F01D 21/00(2006.01) G01K 1/14(2006.01) (86) International application number: PCT/IB2011/054702 (87) International publication number: WO 2012/052965 (26.04.2012 Gazette 2012/17)

(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: 20.10.2010 IT MI20101918 (71) Applicant: Ansaldo Energia S.p.A. Genova (IT)	(72) Inventors: AVANZINO, Matteo 16138 Genova (IT) TRAVERSONE, Laura 16042 Carasco (IT) MALAVASI, Francesco 16039 Sestri Levante (IT) (74) Representative: Bernotti, Andrea et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)