(19)

(11)

EP 2 047 180 A1

(12)

(43) Date of publication: 15.04.2009 Bulletin 2009/16 (21) Application number: 07768768.9 (22) Date of filing: 16.07.2007

(51) International Patent Classification (IPC):  F24F 11/00(2006.01) (86) International application number: PCT/KR2007/003439 (87) International publication number: WO 2008/016227 (07.02.2008 Gazette 2008/06)

(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: 04.08.2006 KR 20060073555 (71) Applicant: Daewoo Electronics Corporation Seoul (KR)	(72) Inventor: SONG, Kil Hong Legal Team ofDaewoo Electronics Corporation Seoul (KR) (74) Representative: Turi, Michael  Samson & Partner Patentanwälte Widenmayerstrasse 5 80538 München 80538 München (DE)