(19)

(11)

EP 2 539 648 A2

(12)

(88) Date of publication A3: 19.01.2012 (43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 11747681.2 (22) Date of filing: 23.02.2011

(51) International Patent Classification (IPC):  F25C 1/24(2006.01) F25C 5/18(2006.01) F25C 5/02(2006.01) F25C 5/08(2006.01) (86) International application number: PCT/KR2011/001239 (87) International publication number: WO 2011/105791 (01.09.2011 Gazette 2011/35)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.03.2010 KR 20100020979 23.02.2010 KR 20100016378 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: KIM, Seongjae Seoul 153-023 (KR) KIM, Bongjin Seoul 153-023 (KR) (74) Representative: Urner, Peter  ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 81679 München 81679 München (DE)