Enhanced engine control based on exhaust temperature

Details Enhanced engine control based on exhaust temperature Enhanced engine control based on exhaust temperature

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/24 (2006.01) F01N 3/02 (2006.01) F02B 39/16 (2006.01) F02D 41/14 (2006.01)

Patent

CA 2430856

A method is provided for controlling an engine (12) of a system (10) having an exhaust system (18) connected to the engine, and the exhaust system includes an exhaust gas cooler (19). The method includes sensing exhaust system temperature downstream of the exhaust gas cooler; comparing the exhaust system temperature to a temperature threshold that is less than 200 degrees Celsius; and adjusting an engine control parameter when the exhaust system temperature exceeds the temperature threshold. A system for controlling engine operation is also provided.

Procédé pour commander un moteur (12) d'un système (10) possédant un système d'échappement (18) relié au moteur, le système d'échappement comprenant un refroidisseur du gaz d'échappement (19). Le procédé consiste à mesurer la température du gaz d'échappement en aval du refroidisseur du gaz d'échappement; comparer la température du gaz d'échappement à un seuil de température qui est inférieur à 200· C; et régler un paramètre de commande du moteur lorsque la température du système d'échappement dépasse le seuil de température. L'invention concerne aussi un système pour commander le fonctionnement du moteur.

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