(19)

(11)

EP 3 227 616 A1

(12)

(43) Date of publication: 11.10.2017 Bulletin 2017/41 (21) Application number: 15804411.5 (22) Date of filing: 01.12.2015

(51) International Patent Classification (IPC):  F24F 6/12(2006.01) F24F 3/14(2006.01) A23B 7/14(2006.01) (86) International application number: PCT/EP2015/078251 (87) International publication number: WO 2016/087466 (09.06.2016 Gazette 2016/23)

(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 (30) Priority: 03.12.2014 WO PCT/CN2014/092942 06.01.2015 EP 15150187 (71) Applicant: Koninklijke Philips N.V. 5656 AE Eindhoven (NL)	(72) Inventors: HUA, Qiao 5656 AE Eindhoven (NL) CHEN, Shuang 5656 AE Eindhoven (NL) YU, Donghai 5656 AE Eindhoven (NL) (74) Representative: Freeke, Arnold  Philips Intellectual Property & Standards High Tech Campus 5 5656 AE Eindhoven 5656 AE Eindhoven (NL)