(19)

(11)

EP 2 859 236 A1

(12)

(43) Date of publication: 15.04.2015 Bulletin 2015/16 (21) Application number: 13723173.4 (22) Date of filing: 18.05.2013

(51) International Patent Classification (IPC):  F04B 39/12(2006.01) (86) International application number: PCT/EP2013/060320 (87) International publication number: WO 2013/182409 (12.12.2013 Gazette 2013/50)

(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 Designated Extension States: BA ME (30) Priority: 06.06.2012 TR 201206620 (71) Applicant: Arçelik Anonim Sirketi 34950 Istanbul (TR)	(72) Inventors: TUNCA, Hakan 34950 Istanbul (TR) OZDEMIR, Ahmet Refik 34950 Istanbul (TR) DONMEZ, Ersin 34950 Istanbul (TR)