(19)

(11)

EP 2 132 498 A2

(12)

(88) Date of publication A3: 28.05.2009 (43) Date of publication: 16.12.2009 Bulletin 2009/51 (21) Application number: 07793535.1 (22) Date of filing: 17.08.2007

(51) International Patent Classification (IPC):  F25B 31/00(2006.01) (86) International application number: PCT/KR2007/003931 (87) International publication number: WO 2008/108518 (12.09.2008 Gazette 2008/37)

(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: 02.03.2007 KR 20070021118 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: YOON, Pil Hyun Seoul 152-848 (KR) CHOI, Sung Oh Seoul 152-848 (KR) CHOI, Jae Heuk Seoul 152-848 (KR) CHUNG, Baik Young Seoul 152-848 (KR) OH, Sai Kee Seoul 152-848 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)