(19)

(11)

EP 2 074 291 A2

(12)

(88) Date of publication A3: 14.08.2008 (43) Date of publication: 01.07.2009 Bulletin 2009/27 (21) Application number: 07825226.9 (22) Date of filing: 01.10.2007

(51) International Patent Classification (IPC):  F01L 3/20(2006.01) F02F 1/42(2006.01) F02B 31/04(2006.01) F02F 1/24(2006.01) (86) International application number: PCT/IB2007/002866 (87) International publication number: WO 2008/041084 (10.04.2008 Gazette 2008/15)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 02.10.2006 JP 2006270841 27.04.2007 JP 2007118574 27.04.2007 JP 2007119621 (71) Applicant: Toyota Jidosha Kabushiki Kaisha Toyota-shi, Aichi-ken 471-8571 (JP)	(72) Inventor: AMANO, Takashi Aichi-ken 471-8571 (JP) (74) Representative: Kuhnen & Wacker  Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A 85354 Freising 85354 Freising (DE)