(19)

(11)

EP 3 903 040 A1

(12)

(43) Date of publication: 03.11.2021 Bulletin 2021/44 (21) Application number: 19813521.2 (22) Date of filing: 03.12.2019

(51) International Patent Classification (IPC):  F24C 15/32(2006.01) (52) Cooperative Patent Classification (CPC): F22B 1/284; F22B 37/78; F24C 15/327 (86) International application number: PCT/EP2019/083500 (87) International publication number: WO 2020/135980 (02.07.2020 Gazette 2020/27)

(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: 26.12.2018 TR 201820519 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventor: GOKMEN, Erkan 34950 ISTANBUL (TR)