An exhaust gas recirculation device capable of restraining generation of condensate water in an EGR path after engine stoppage is provided. When ignition is switched from ON to OFF, fuel injection is prohibited. As a result, a gas (fresh air) that flows in...

By employing a heat source control section P4 that controls the operating state of an internal combustion engine 10 mounted in a vehicle, a necessary heat calculating section P1 that calculates the engine coolant temperature needed by a heater core, which ...

An ECU (50) calculates an intake air amount based on output of a boost pressure sensor (48) that is very responsive and has good intake air amount calculating accuracy, when an advance amount (±) of a valve closing timing of an exhaust valve (36) is withi...

An engine starting system for restarting an engine after engine stop by injecting fuel into a cylinder which is initially on an expansion stroke and causing ignition and combustion in the cylinder includes throttle valves (17) constituting an intake air qu...

The residual gas is recycled through a catalyst (12) located in the exhaust duct (5) near the engine. An Independent claim is included for the corresponding engine