(19)

(11)

EP 2 004 964 A2

(12)

(88) Date of publication A3: 06.12.2007 (43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07734315.0 (22) Date of filing: 29.03.2007

(51) International Patent Classification (IPC):  F01N 3/08(2006.01) F01N 3/30(2006.01) F01N 3/22(2006.01) F01N 11/00(2006.01) (86) International application number: PCT/IB2007/000996 (87) International publication number: WO 2007/113679 (11.10.2007 Gazette 2007/41)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 30.03.2006 JP 2006095125 (71) Applicant: Toyota Jidosha Kabushiki Kaisha Toyota-shi, Aichi 471-8571 (JP)

(72) Inventors: TAKAGI, Nobuyuki Toyota-shi, Aichi-ken 471-8571 (JP) MIURA, Masahide Toyota-shi, Aichi-ken 471-8571 (JP) MATSUMOTO, Shinichi Toyota-shi, Aichi-ken 471-8571 (JP) TANABE, Toshitaka Aichi-gun, Aichi-ken 480-1192 (JP) NAGAI, Yasutaka Aichi-gun, Aichi-ken 480-1192 (JP) HATANAKA, Miho Aichi-gun, Aichi-ken 480-1192 (JP) DOHMAE, Kazuhiko Aichi-gun, Aichi-ken 480-1192 (JP) YAMAMOTO, Toshio Aichi-gun, Aichi-ken 480-1192 (JP) IKEDA, Yasuo Toyota-shi, Aichi-ken 471-8571 (JP) (74) Representative: Smith, Samuel Leonard et al J.A. Kemp & Co. 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)