(19)

(11)

EP 2 304 235 A1

(12)

(43) Date of publication: 06.04.2011 Bulletin 2011/14 (21) Application number: 09737999.4 (22) Date of filing: 13.04.2009

(51) International Patent Classification (IPC):  F04B 39/00(2006.01) F04B 39/06(2006.01) (86) International application number: PCT/EP2009/054363 (87) International publication number: WO 2009/132955 (05.11.2009 Gazette 2009/45)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 02.05.2008 TR 200803070 (71) Applicant: Arçelik Anonim Sirketi 34950 Istanbul (TR)	(72) Inventors: OGUZ, Emre 34950 Istanbul (TR) SOYSAL, F. Alper 34950 Istanbul (TR)