(19)

(11)

EP 2 888 458 A1

(12)

(43) Date of publication: 01.07.2015 Bulletin 2015/27 (21) Application number: 13742726.6 (22) Date of filing: 26.07.2013

(51) International Patent Classification (IPC):  F01N 3/20(2006.01) F01N 13/02(2010.01) (86) International application number: PCT/GB2013/052013 (87) International publication number: WO 2014/016616 (30.01.2014 Gazette 2014/05)

(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 (30) Priority: 27.07.2012 GB 201213443 (71) Applicant: Perkins Engines Company Limited Peterborough, Cambridgeshire PE1 5NA (GB)	(72) Inventor: MOORE, Paul Peterborough Cambridgeshire PE2 7ZH (GB) (74) Representative: Boult Wade Tennant  Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)