(19)

(11)

EP 4 065 822 A1

(12)

(43) Date of publication: 05.10.2022 Bulletin 2022/40 (21) Application number: 20816572.0 (22) Date of filing: 23.11.2020

(51) International Patent Classification (IPC):  F01L 9/20(2021.01) F01L 9/22(2021.01) F02D 13/02(2006.01) F01L 9/21(2021.01) F01L 9/40(2021.01) (52) Cooperative Patent Classification (CPC): F01L 9/21; F01L 9/22; F01L 9/40; F01L 2009/2153; F01L 2009/409; F02D 13/0253; Y02T 10/12; F02D 13/0207; F01L 9/16; F01L 9/10 (86) International application number: PCT/GB2020/052978 (87) International publication number: WO 2021/105654 (03.06.2021 Gazette 2021/22)

(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: 25.11.2019 GB 201917118 01.10.2020 GB 202015590 (71) Applicant: Camcon Auto Limited Cambridgeshire CB24 9NL (GB)	(72) Inventors: NEAVES, Ben Leamington Spa Warwickshire CV31 1NB (GB) BARTLEY, Gavin Leamington Spa Warwickshire CV31 1NB (GB) (74) Representative: Sharrock, Daniel John et al Nash Matthews LLP 24 Hills Road Cambridge CB2 1JP Cambridge CB2 1JP (GB)