(19)

(11)

EP 1 937 969 A1

(12)

(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06799135.6 (22) Date of filing: 09.10.2006

(51) International Patent Classification (IPC):  F04B 17/04(2006.01) (86) International application number: PCT/KR2006/004055 (87) International publication number: WO 2007/046592 (26.04.2007 Gazette 2007/17)

(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 NL PL PT RO SE SI SK TR (30) Priority: 17.10.2005 KR 20050097632 (71) Applicant: LG ELECTRONICS INC. Seoul 150-010 (KR)	(72) Inventors: LEE, Jong Koo Suwon-si, Kyunggi-do 442-152 (KR) KANG, Yang Jun Changwon-si, Kyungsangnam-do 641-776 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)