(19)

(11)

EP 3 891 450 A1

(12)

(43) Date of publication: 13.10.2021 Bulletin 2021/41 (21) Application number: 19798583.1 (22) Date of filing: 01.11.2019

(51) International Patent Classification (IPC):  F25D 17/06(2006.01) F25D 23/06(2006.01) (52) Cooperative Patent Classification (CPC): F25D 23/067; F25D 17/06 (86) International application number: PCT/EP2019/079983 (87) International publication number: WO 2020/114688 (11.06.2020 Gazette 2020/24)

(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 Designated Validation States: KH MA MD TN (30) Priority: 05.12.2018 TR 201818623 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: KAYMAK, Mehmet Ercan 34950 ISTANBUL (TR) OZYUKSEL, Faik Emre 34950 ISTANBUL (TR) YORGANCIOGLU, Hakan 34950 ISTANBUL (TR) YAZICI, Merve 34950 ISTANBUL (TR)