(19)

(11)

EP 3 775 724 A1

(12)

(43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 19715038.6 (22) Date of filing: 28.03.2019

(51) International Patent Classification (IPC):  F25C 1/08(2006.01) F25B 21/04(2006.01) F25C 5/20(2018.01) (86) International application number: PCT/EP2019/057821 (87) International publication number: WO 2019/192917 (10.10.2019 Gazette 2019/41)

(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: 02.04.2018 TR 201804590 (71) Applicant: Arçelik Anonim Sirketi 34445 Istanbul (TR)	(72) Inventors: OZDEMIR, Ahmet Refik 34950 ISTANBUL (TR) PATKAVAK, Mert 34950 ISTANBUL (TR) AYNUR, Tolga Nurettin 34950 ISTANBUL (TR) AKKURT, Muhsin Can 34950 ISTANBUL (TR) TASKIN, Mert Can 34950 ISTANBUL (TR)