(19)
(11) EP 1 006 269 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.10.2001 Bulletin 2001/44

(43) Date of publication A2:
07.06.2000 Bulletin 2000/23

(21) Application number: 99123306.5

(22) Date of filing: 22.11.1999
(51) International Patent Classification (IPC)7: F02D 9/06, F02D 33/02, F02D 41/12, F02D 41/40
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 30.11.1998 JP 33910998

(71) Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Aichi-ken 471-8571 (JP)

(72) Inventor:
  • Iida, Yutaka
    Toyota-shi, Aichi-ken 471-8571 (JP)

(74) Representative: Leson, Thomas Johannes Alois, Dipl.-Ing. 
Patentanwälte Tiedtke-Bühling-Kinne & Partner, Bavariaring 4
80336 München
80336 München (DE)

   


(54) Control apparatus for internal combustion engine


(57) Fuel injection amount correcting means (21) for correcting a fuel injection amount in accordance with a change in engine load caused by activation or deactivation of an exhaust throttle valve (100) is provided. Fluctuations of engine rotational speed at the time of deactivation of the exhaust throttle valve (100) are detected, and the timing for fuel correction performed by the fuel injection amount correcting means (21) is changed based on the detected fluctuations of engine rotational speed.






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