(19)

(11)

EP 3 565 448 A1

(12)

(43) Date of publication: 13.11.2019 Bulletin 2019/46 (21) Application number: 17818228.3 (22) Date of filing: 14.12.2017

(51) International Patent Classification (IPC):  A47L 9/00(2006.01) A47L 9/04(2006.01) (86) International application number: PCT/GB2017/053747 (87) International publication number: WO 2018/127680 (12.07.2018 Gazette 2018/28)

(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: MA MD TN (30) Priority: 09.01.2017 GB 201700330 (71) Applicant: Dyson Technology Limited Malmesbury, Wiltshire SN16 0RP (GB)	(72) Inventor: DODGSON, Oliver Malmesbury Wiltshire SN16 0RP (GB) (74) Representative: Macpherson, Carolyn May et al Dyson Technology Limited Intellectual Property Department Tetbury Hill Malmesbury, Wiltshire SN16 0RP Malmesbury, Wiltshire SN16 0RP (GB)