(19)

(11)

EP 1 954 927 A2

(12)

(88) Date of publication A3: 27.09.2007 (43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06831574.6 (22) Date of filing: 16.11.2006

(51) International Patent Classification (IPC):  F01N 9/00(2006.01) (86) International application number: PCT/IB2006/003233 (87) International publication number: WO 2007/063378 (07.06.2007 Gazette 2007/23)

(84) Designated Contracting States: DE FR GB (30) Priority: 02.12.2005 JP 2005349862 (71) Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA Toyota-shi, Aichi-ken, 471-8571 (JP) KABUSHIKI KAISHA TOYOTA JIDOSHOKKI Kariya-shi, Aichi 448-8671 (JP)	(72) Inventors: ITO, Takekazu Aichi-ken, 471-8571 (JP) SAKAINO, Makoto Aichi-ken, 448-8671 (JP) (74) Representative: TBK-Patent  Bavariaring 4-6 80336 München 80336 München (DE)