(19)

(11)

EP 2 084 455 A1

(12)

(43) Date of publication: 05.08.2009 Bulletin 2009/32 (21) Application number: 07746197.8 (22) Date of filing: 26.04.2007

(51) International Patent Classification (IPC):  F23D 14/60(2006.01) (86) International application number: PCT/KR2007/002038 (87) International publication number: WO 2008/066223 (05.06.2008 Gazette 2008/23)

(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 (30) Priority: 01.12.2006 KR 20060120649 (71) Applicant: Kyungdong Navien Co., Ltd. Pyungtaek-si Gyunggi-do 450-818 (KR)	(72) Inventor: KIM, Yong Bum Incheon 406-110 (KR) (74) Representative: Fuchs  Patentanwälte Söhnleinstrasse 8 65201 Wiesbaden 65201 Wiesbaden (DE)