Method of controlling an internal combustion engine

F - Mech Eng,Light,Heat,Weapons – 02 – D

Patent

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Details

F02D 41/14 (2006.01) F01L 1/34 (2006.01) F02D 35/02 (2006.01) F02P 5/153 (2006.01) F02D 41/38 (2006.01)

Patent

CA 2428049

A method for controlling an internal combustion engine (10) includes determining the pressure within the cylinder with a pressure sensor (56, 58) which samples at the specific positions of the piston (14) indicating the properties of the thermodynamic cycle. The engine (100) is controlled and operating condition diagnosed in real time based on that series of cylinder pressures at corresponding piston positions.

Cette invention concerne un procédé de commande d'un moteur à combustion interne (10), consistant à déterminer la pression dans le cylindre au moyen d'une sonde manométrique (56, 58) dont l'échantillonnage en des positions spécifiques du piston (14) dans le cylindre renseigne sur les caractéristiques du cycle thermodynamique. Le moteur (100) est commandé et les conditions de fonctionnement sont diagnostiquées en temps réel en fonction de la série de pressions relevées dans le cylindres aux positions correspondantes du piston.

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