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(11)

EP 2 625 399 A1

(12)

(43) Date of publication: 14.08.2013 Bulletin 2013/33 (21) Application number: 11782212.2 (22) Date of filing: 06.10.2011

(51) International Patent Classification (IPC):  F01N 9/00(2006.01) F01N 3/025(2006.01) F01N 3/20(2006.01) (86) International application number: PCT/IB2011/002342 (87) International publication number: WO 2012/046126 (12.04.2012 Gazette 2012/15)

(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: 07.10.2010 JP 2010227456 (71) Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA Aichi-ken, 471-8571 (JP) Denso Corporation Kariya-city Aichi 448-8661 (JP)	(72) Inventors: KAMOSHITA, Shinji Toyota-shi Aichi-ken 471-8571 (JP) NAKAYAMA, Shigeki Toyota-shi Aichi-ken 471-8571 (JP) HIRAMATSU, Hiromi KARIYA-CITY AICHI-PREF 448-8661 (JP) MURAI, Hiroyuki KARIYA-CITY AICHI-PREF 448-8661 (JP) (74) Representative: Kuhnen & Wacker  Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Straße 40A DE-85354 Freising DE-85354 Freising (DE)