(19)

(11)

EP 2 764 251 A1

(12)

(43) Date of publication: 13.08.2014 Bulletin 2014/33 (21) Application number: 12839123.2 (22) Date of filing: 04.09.2012

(51) International Patent Classification (IPC):  F04C 29/02(2006.01) F04C 18/02(2006.01) (86) International application number: PCT/KR2012/007070 (87) International publication number: WO 2013/051788 (11.04.2013 Gazette 2013/15)

(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: 05.10.2011 KR 20110101494 (71) Applicant: LG Electronics Inc. Yeongdeungpo-gu Seoul 150-721 (KR)	(72) Inventors: AHN, Sungyong Seoul 153-023 (KR) PARK, Inwon Seoul 153-023 (KR) YOO, Byungkil Seoul 153-023 (KR) LEE, Byeongchul Seoul 153-023 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)