(19)

(11)

EP 4 216 782 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21769756.4 (22) Date of filing: 17.09.2021

(51) International Patent Classification (IPC):  A47L 5/28(2006.01) A47L 7/00(2006.01) (52) Cooperative Patent Classification (CPC): A47L 7/0004; A47L 7/0028; A47L 5/28 (86) International application number: PCT/EP2021/075613 (87) International publication number: WO 2022/058494 (24.03.2022 Gazette 2022/12)

(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: 17.09.2020 EP 20196628 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: AL-SHORACHI, Albert 5656 AE Eindhoven (NL) ZIJLSTRA, Aaldert, Geert 5656 AE Eindhoven (NL) VAN DER KOOI, Johannes, Tseard 5656 AE Eindhoven (NL) (74) Representative: Vollering, Stefanus Franciscus Maria  Philips Domestic Appliances IP Department High Tech Campus 42 5656 AE Eindhoven 5656 AE Eindhoven (NL)