(19)

(11)

EP 2 097 633 A1

(12)

(43) Date of publication: 09.09.2009 Bulletin 2009/37 (21) Application number: 07859150.0 (22) Date of filing: 21.12.2007

(51) International Patent Classification (IPC):  F02D 41/22(2006.01) F01N 11/00(2006.01) F02D 41/26(2006.01) (86) International application number: PCT/IB2007/004044 (87) International publication number: WO 2008/081281 (10.07.2008 Gazette 2008/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 27.12.2006 JP 2006352432 (71) Applicant: Toyota Jidosha Kabushiki Kaisha Toyota-shi Aichi-ken 471-8571 (JP)	(72) Inventors: OI, Yasuhiro Aichi-ken 471-8571 (JP) KONDOU, Shinya Aichi-ken 471-8571 (JP) (74) Representative: Intes, Didier Gérard André et al Cabinet Beau de Loménie 158, rue de l'Université 75340 Paris Cedex 07 75340 Paris Cedex 07 (FR)