(19)

(11)

EP 2 049 842 A2

(12)

(43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 07746795.9 (22) Date of filing: 31.05.2007

(51) International Patent Classification (IPC):  F24F 1/00(2006.01) F24F 13/28(2006.01) (86) International application number: PCT/KR2007/002648 (87) International publication number: WO 2008/069379 (12.06.2008 Gazette 2008/24)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 08.12.2006 KR 20060124641 (71) Applicant: LG Electronics Inc. Seoul 150-010 (KR)	(72) Inventors: YANG, Si-Tae Seoul 137-060 (KR) KIM, Kang-Young Gyungsangnam-do 630-512 (KR) (74) Representative: Palmer, Jonathan R.  Boult Wade Tennant, Verulam Gardens, 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)