(19)

(11)

EP 2 844 920 A1

(12)

(43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13716263.2 (22) Date of filing: 08.04.2013

(51) International Patent Classification (IPC):  F23N 5/12(2006.01) F23D 14/16(2006.01) F23N 5/16(2006.01) F23D 14/14(2006.01) F23N 5/14(2006.01) F23N 5/02(2006.01) (86) International application number: PCT/EP2013/057299 (87) International publication number: WO 2013/164159 (07.11.2013 Gazette 2013/45)

(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: 03.05.2012 EP 12166512 (71) Applicant: Bekaert Combustion Technology B.V. 9403 AR Assen (NL)	(72) Inventors: TEN HOEVE, Dirk NL-7961 LD Ruinerwold (NL) VAN DEN BERG, Wilhelm Salvatore NL-9474 PE Zuidlaarderveen (NL) (74) Representative: Messely, Marc  NV Bekaert SA D.I.E. Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)