(19)

(11)

EP 2 670 975 A1

(12)

(43) Date of publication: 11.12.2013 Bulletin 2013/50 (21) Application number: 12702888.4 (22) Date of filing: 19.01.2012

(51) International Patent Classification (IPC):  F02P 19/02(2006.01) F01N 3/023(2006.01) (86) International application number: PCT/JP2012/000322 (87) International publication number: WO 2012/105173 (09.08.2012 Gazette 2012/32)

(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 (30) Priority: 04.02.2011 JP 2011022795 (71) Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA Toyota-shi, Aichi-ken, 471-8571 (JP)	(72) Inventor: ENOMOTO, Hiroshi Toyota-shi Aichi-ken, 471-8571 (JP) (74) Representative: Smith, Samuel Leonard  J A Kemp 14 South Square Gray's Inn London WC1R 5JJ Gray's Inn London WC1R 5JJ (GB)