Patent ID: 7281510
Filing Date: 2007-10-16
Classification: F01L,F02D,F02N,Y02T

Abstract:
1. A control apparatus for an internal combustion engine, comprising: a variable-valve control means for controlling at least an intake airflow by adjusting valve operation characteristics of the intake valve, exhaust valve or both the intake and exhaust valves of the engine; an automatic-start control means, which is used for automatically starting the engine when a predetermined automatic-start condition is satisfied in an automatic-stop state of the engine; a variable-valve control prohibition means for fixing the valve operation characteristics at predetermined conditions during a variable-valve control prohibition period, which is a predetermined period after the automatic start of the engine carried out by the automatic-start control means; and a throttle-valve control means for controlling the intake airflow during the variable-valve control prohibition period by adjusting the opening of a throttle valve provided on an intake path of the engine.