(19)

(11)

EP 2 115 355 A1

(12)

(43) Date of publication: 11.11.2009 Bulletin 2009/46 (21) Application number: 08704871.6 (22) Date of filing: 18.01.2008

(51) International Patent Classification (IPC):  F23D 14/20(2006.01) (86) International application number: PCT/KR2008/000339 (87) International publication number: WO 2008/088198 (24.07.2008 Gazette 2008/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 19.01.2007 KR 20070006231 (71) Applicant: Kyungdong Navien Co., Ltd. Pyungtaek-si Gyunggi-do 450-818 (KR)	(72) Inventor: LEE, Choong Hee Incheon 403-844 (KR) (74) Representative: Fuchs  Patentanwälte Söhnleinstrasse 8 65201 Wiesbaden 65201 Wiesbaden (DE)