Misfire-determining controller for internal combustion engine

Details Misfire-determining controller for internal combustion engine Misfire-determining controller for internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/22 (2006.01) F02D 45/00 (2006.01)

Patent

CA 2142396

A misfire-determining controller comprises a control which is provided with the added function of controlling so as to cease misfire monitoring when at least one misfire detection-ceasing conditions is true, which misfire detection-ceasing conditions including: ignition timing being under adjustment; throttle- bypassing air being under adjustment; an ISC valve flow rate being under adjustment; a fuel feedback correction amount being under adjustment; an abnormality being present in a fuel system; and a fuel failure.

Un régulateur conçu pour repérer les cas de ratés comporte un système de contrôle muni d'une fonction supplémentaire lui permettant de cesser de surveiller les ratés lorsque au moins une condition d'arrêt de la détection d'un raté est vérifiée, ces conditions d'arrêt de la détection d'un raté pouvant être : le réglage de l'avance de l'allumage; le réglage du système d'obturation/dérivation de l'air; le réglage du taux d'écoulement de la soupape du régulateur du ralenti; le réglage du taux de correction de la surveillance de l'alimentation; la présence d'une anomalie dans l'alimentation en carburant; une impureté du carburant.

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