Control apparatus and control method for internal combustion engine

A control apparatus for an internal combustion engine includes a controller. The controller determines whether a misfire occurs in any of the plurality of cylinders. If it is determined that a misfire occurs, the controller determines whether an intake valve is unable to open due to the malfunction...

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Bibliographic Details
Main Authors MATSUO YASUNORI, FUWA NAOHIDE
Format Patent
LanguageEnglish
Published 15.03.2007
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MECHANICAL ENGINEERING
PHYSICS
STEAM ENGINES
TESTING
WEAPONS
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Summary:A control apparatus for an internal combustion engine includes a controller. The controller determines whether a misfire occurs in any of the plurality of cylinders. If it is determined that a misfire occurs, the controller determines whether an intake valve is unable to open due to the malfunction of a valve lift mechanism. If it is determined that the intake valve is unable to open, the controller stops operation of the fuel injection valve corresponding to a cylinder of the plurality of cylinders, in which the misfire occurs, to stop a fuel supply to the cylinder from a next intake stroke until the malfunction of the valve lift mechanism is corrected, regardless of whether the internal combustion engine stops.
Bibliography:Application Number: US20060508184