(19)

(11)

EP 3 387 322 A1

(12)

(43) Date of publication: 17.10.2018 Bulletin 2018/42 (21) Application number: 16825892.9 (22) Date of filing: 15.12.2016

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F21V 7/04(2006.01) F21V 23/00(2015.01) F21V 5/04(2006.01) F21V 21/04(2006.01) F21V 29/502(2015.01) (86) International application number: PCT/IB2016/057674 (87) International publication number: WO 2017/098487 (15.06.2017 Gazette 2017/24)

(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: 10.12.2015 GB 201521756 (71) Applicant: Aurora Limited Welwyn Garden City AL7 4SW (GB)	(72) Inventor: JOHNSON, Andrew St Albans Hertfordshire AL4 0JJ (GB)