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EP 2 721 263 A1

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(43) Date of publication: 23.04.2014 Bulletin 2014/17 (21) Application number: 12733217.9 (22) Date of filing: 15.06.2012

(51) International Patent Classification (IPC):  F01N 3/025(2006.01) F01N 3/20(2006.01) F02M 25/07(2006.01) F01N 3/035(2006.01) F01N 3/10(2006.01) (86) International application number: PCT/IB2012/001285 (87) International publication number: WO 2012/172423 (20.12.2012 Gazette 2012/51)

(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: 17.06.2011 JP 2011135388 (71) Applicants: Toyota Jidosha Kabushiki Kaisha Toyota-shi, Aichi 471-8571 (JP) Kabushiki Kaisha Toyota Jidoshokki Kariya-shi Aichi-ken Aichi 448-8671 (JP)	(72) Inventors: ITO, Yoshiyasu Aichi-ken 471-8571 (JP) YOSHITAKI, Shinichiro Aichi-ken 448-8671 (JP) KUSAKABE, Shinichi Aichi-ken 448-8671 (JP) TOYOTA, Tadashi Aichi-ken 448-8671 (JP) OKAMURA, Masaaki Aichi-ken 448-8671 (JP) (74) Representative: Albutt, Anthony John  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)