(19)

(11)

EP 1 957 886 A1

(12)

(43) Date of publication: 20.08.2008 Bulletin 2008/34 (21) Application number: 06716349.3 (22) Date of filing: 14.03.2006

(51) International Patent Classification (IPC):  F24H 9/16(2006.01) (86) International application number: PCT/KR2006/000899 (87) International publication number: WO 2007/061159 (31.05.2007 Gazette 2007/22)

(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: 22.11.2005 KR 20050032929 (71) Applicant: Kyungdong Navien Co., Ltd. Pyungtaek-si Gyunggi-do 450-818 (KR)	(72) Inventor: KIM, Yong-Bum Inchon 406-712 (KR) (74) Representative: Fuchs  Patentanwälte Söhnleinstraße 8 D-65201 Wiesbaden D-65201 Wiesbaden (DE)