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(11)

EP 2 059 721 A1

(12)

(43) Date of publication: 20.05.2009 Bulletin 2009/21 (21) Application number: 07802752.1 (22) Date of filing: 21.08.2007

(51) International Patent Classification (IPC):  F23C 6/04(2006.01) F23D 14/22(2006.01) F23C 9/00(2006.01) F23D 14/26(2006.01) (86) International application number: PCT/EP2007/058665 (87) International publication number: WO 2008/023011 (28.02.2008 Gazette 2008/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 22.08.2006 IT MI20061636 (71) Applicants: Danieli & C. Officine Meccaniche SpA 33042 Buttrio (Udine) (IT) Danieli Centro Combustion S.p.a. 20092 Cinisello Balsamo (IT)	(72) Inventors: SCIMONE, Sacha I-16148 Genova (IT) VALENZA, Michele I-17028 Spotorno (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)