(19)

(11)

EP 2 547 958 A2

(12)

(43) Date of publication: 23.01.2013 Bulletin 2013/04 (21) Application number: 11715036.7 (22) Date of filing: 16.03.2011

(51) International Patent Classification (IPC):  F23C 10/10(2006.01) (86) International application number: PCT/IB2011/051099 (87) International publication number: WO 2011/114297 (22.09.2011 Gazette 2011/38)

(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 (30) Priority: 18.03.2010 US 726406 (71) Applicant: Foster Wheeler North America Corp. Hampton, NJ 08827-9000 (US)	(72) Inventor: HANSEN, Arthur East Hanover New Jersey 07936 (US) (74) Representative: Salonen, Kauko Tuomas  Genip Oy P.O. Box 201 78201 Varkaus 78201 Varkaus (FI)