(19)

(11)

EP 1 946 005 A1

(12)

(43) Date of publication: 23.07.2008 Bulletin 2008/30 (21) Application number: 06809709.6 (22) Date of filing: 26.10.2006

(51) International Patent Classification (IPC):  F23K 3/02(2006.01) (86) International application number: PCT/IB2006/053940 (87) International publication number: WO 2007/052188 (10.05.2007 Gazette 2007/19)

(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 NL PL PT RO SE SI SK TR (30) Priority: 31.10.2005 US 261668 (71) Applicant: Foster Wheeler Energy Corporation Clinton, New Jersey 08809-4000 (US)	(72) Inventor: GRUSHA, John Bethlehem, Pennsylvania 18020 (US) (74) Representative: Ansala, Jyrki Matti et al Coor Service Management Karhula Oy Intellectual Property Department P.O. Box 18 48601 Kotka 48601 Kotka (FI)