(19)

(11)

EP 2 828 492 A2

(12)

(88) Date of publication A3: 28.08.2014 (43) Date of publication: 28.01.2015 Bulletin 2015/05 (21) Application number: 13711044.1 (22) Date of filing: 21.03.2013

(51) International Patent Classification (IPC):  F01K 23/06(2006.01) B01D 53/14(2006.01) F01K 23/08(2006.01) F02C 6/18(2006.01) (86) International application number: PCT/EP2013/055881 (87) International publication number: WO 2013/139884 (26.09.2013 Gazette 2013/39)

(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: 21.03.2012 EP 12160585 25.09.2012 EP 12185806 (71) Applicant: ALSTOM Technology Ltd 5400 Baden (CH)	(72) Inventors: CARRONI, Richard CH-5443 Niederrohrdorf (CH) LIMOA, Alvin CH-5432 Neuenhof (CH) OLSSON, David 6340 Baar (CH) DIETZMANN, Joerg CH-5400 Baden (CH) PEDRETTI, Camille CH-5430 Wettingen (CH) NUGROHO, Tjiptady CH-5442 Fislisbach (CH) CONTE, Enrico 3098 Schliern b. Köniz (CH) AGOSTINELLI, Gian Luigi CH-8048 Zuerich (CH)