(19)

(11)

EP 3 631 175 A1

(12)

(43) Date of publication: 08.04.2020 Bulletin 2020/15 (21) Application number: 18730058.7 (22) Date of filing: 31.05.2018

(51) International Patent Classification (IPC):  F01L 9/02(2006.01) F01L 1/08(2006.01) F01L 9/04(2006.01) (86) International application number: PCT/GB2018/051476 (87) International publication number: WO 2018/220372 (06.12.2018 Gazette 2018/49)

(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: 02.06.2017 GB 201708817 (71) Applicant: Camcon Auto Limited Cambridge, Cambridgeshire CB4 0WS (GB)	(72) Inventor: STONE, Roger Cambridge Cambridgeshire CB4 0WS (GB) (74) Representative: Sharrock, Daniel John et al Nash Matthews LLP 24 Hills Road Cambridge CB2 1JP Cambridge CB2 1JP (GB)