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(11)

EP 2 137 466 A1

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(43) Date of publication: 30.12.2009 Bulletin 2009/53 (21) Application number: 07833593.2 (22) Date of filing: 25.10.2007

(51) International Patent Classification (IPC):  F24F 11/02(2006.01) (86) International application number: PCT/KR2007/005284 (87) International publication number: WO 2008/114919 (25.09.2008 Gazette 2008/39)

(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: 16.03.2007 KR 20070026152 (71) Applicant: LG Electronics Inc. Seoul 150-875 (KR)	(72) Inventors: KWON, Ki-Baik Gwangmyeong-si Gyeonggi-do 423-750 (KR) HWANG, Il-Nahm Yongin-si Gyeonggi-do 448-130 (KR) CHOI, Jin-Ha Gwangmyeong-si Gyeonggi-do 423-756 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)