The procedure involves controlling fresh airflow supplied to a combustion engine during regeneration phase of a particle filter for a stable engine operating point. The flow is controlled on a predetermined variable set-point of time and the operating poin...

A control apparatus to be applied to an internal combustion engine (1) which is provided with a turbocharger (9) for supercharging an intake air by utilizing an exhaust gas energy, and a recovered energy amount adjusting device (21) for adjusting an energy...

In order to increase a smoke limit fuel injection amount (QAFM), an EGR smoke limit correction value (QAFMegr) is calculated considering an oxygen amount in EGR gas (S200 to S214), and a final smoke limit fuel injection amount (QAFMfin) is set by increasin...

A crankshaft (11) in an internal combustion engine (ICE) (9) comes to a stop in a preset defined angular position. Compression ratios in cylinders (14) are influenced as the ICE is coasting. A change in a gas exchange operation that depends on a change in ...

A method of reducing high cycle fatigue of a turbocharger fitted to an internal combustion engine in which fuel supply to the engine is controlled by an electronic engine management unit (ECU) in accordance with a fuel map of fuel values required to meet d...

The method of control of a motor vehicle internal combustion engine (10) involves determining the maximum charge intake for a given engine operating regime using mapping (32) stored in an engine management computer (30). The computer also uses a functionin...

A calculation intake air amount GP is calculated on the basis of an intake air pressure Pim detected by a pressure sensor and an intake air temperature Tim detected by a temperature sensor, and an actual intake air amount GF is detected by an air flow mete...

A control system for a variable-geometry turbocharger connected to an internal combustion engine, whereby the geometry of the turbocharger is controlled alternatively according to a first operating mode (41), a second operating mode (43) or a third operati...

To control the exhaust gas feedback at an internal combustion motor (10), with a charger composed of a turbine and a compressor, setting signals are used to operate the charger (20,22) and the exhaust gas feedback valve (18), according to a common setting ...