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(11)

EP 3 209 941 A1

(12)

(43) Date of publication: 30.08.2017 Bulletin 2017/35 (21) Application number: 15804947.8 (22) Date of filing: 20.10.2015

(51) International Patent Classification (IPC):  F23L 7/00(2006.01) F23R 3/34(2006.01) F23R 3/28(2006.01) (86) International application number: PCT/IB2015/058085 (87) International publication number: WO 2016/063222 (28.04.2016 Gazette 2016/17)

(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 Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 20.10.2014 IT MI20141808 (71) Applicant: Ansaldo Energia S.p.A. 16152 Genova (IT)	(72) Inventor: GOTTARDO, Enrico I-16018 Mignanego (IT) (74) Representative: Bernotti, Andrea et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)