(19)

(11)

EP 4 031 811 A1

(12)

(43) Date of publication: 27.07.2022 Bulletin 2022/30 (21) Application number: 20771847.9 (22) Date of filing: 14.09.2020

(51) International Patent Classification (IPC):  F24C 3/12(2006.01) H05B 3/74(2006.01) (52) Cooperative Patent Classification (CPC): H05B 3/746; F24C 3/126 (86) International application number: PCT/EP2020/075630 (87) International publication number: WO 2021/052903 (25.03.2021 Gazette 2021/12)

(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: 18.09.2019 CN 201910885360 (71) Applicant: BSH Hausgeräte GmbH 81739 München (DE)	(72) Inventors: ZHANG, Lei Nanjing, 210000 (CN) LU, Ye Xinyu city Nanjing, Jiangxi 210046 (CN) XIE, Tong Nanjing, Jiangsu 210046 (CN) FU, Junjie Nanjing, Jiangsu 210046 (CN)