(19)

(11)

EP 2 989 389 A1

(12)

(43) Date of publication: 02.03.2016 Bulletin 2016/09 (21) Application number: 14708266.3 (22) Date of filing: 06.03.2014

(51) International Patent Classification (IPC):  F23R 3/34(2006.01) F23R 3/06(2006.01) (86) International application number: PCT/EP2014/054355 (87) International publication number: WO 2014/173578 (30.10.2014 Gazette 2014/44)

(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 (30) Priority: 25.04.2013 WO PCT/EP2013/058650 (71) Applicant: ALSTOM Technology Ltd 5400 Baden (CH)	(72) Inventors: GAO, Xianfeng CH-5443 Niederrohrdorf (CH) TAY WO CHONG HILARES, Luis CH-5432 Neuenhof (CH) (74) Representative: Pesce, Michele  ALSTOM Power O&M Ltd Brown Boveri Strasse 7 5401 Baden 5401 Baden (CH)