Patent ID: 7207306
Filing Date: 2007-04-24
Classification: F01L,F02D,F02N,Y02T

Abstract:
1. A control apparatus for an internal combustion engine, comprising: a variable-valve control means for by varying valve operation characteristics of the intake valve and/or exhaust valve of the engine in accordance with a voltage output by a battery mounted on a vehicle employing the engine and controlling at least an intake airflow into a combustion chamber of the engine; an automatic-start control means, which is used for automatically starting the engine when a predetermined automatic-restart condition is satisfied in an automatic-stop state of the engine; a battery-voltage detection means for detecting a voltage output by the battery; and a variable-valve control prohibition means, which is used for prohibiting variable control executed by the variable-valve control means on the intake valve and/or the exhaust valve in dependence on the voltage of the battery detected by the battery-voltage detection means after the engine is automatically started by the automatic-start control means.