(19)

(11)

EP 2 087 288 A1

(12)

(43) Date of publication: 12.08.2009 Bulletin 2009/33 (21) Application number: 07833950.4 (22) Date of filing: 09.11.2007

(51) International Patent Classification (IPC):  F24C 7/08(2006.01) (86) International application number: PCT/KR2007/005643 (87) International publication number: WO 2008/056955 (15.05.2008 Gazette 2008/20)

(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: 09.11.2006 KR 20060110316 20.12.2006 KR 20060130691 20.12.2006 KR 20060130694 20.12.2006 KR 20060130695 (71) Applicant: LG Electronics, Inc. Seoul 105-875 (KR)	(72) Inventors: JUNG, Eui-Su Changwon-si Gyeongsangnam-do 641-711 (KR) JEONG, Eui-Seog Changwon-si Gyeongsangnam-do 641-711 (KR) (74) Representative: Urner, Peter  Patentanwälte TER MEER-MÜLLER-STEINMEISTER & PARTNER Mauerkircherstrasse 45 D-81679 München D-81679 München (DE)