Engine idle speed control

Details Engine idle speed control Engine idle speed control

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/08 (2006.01) F02D 31/00 (2006.01) F02D 41/16 (2006.01) F02D 41/22 (2006.01)

Patent

CA 2388099

A method of controlling the idle speed of an internal combustion engine including, in response to the engine speed being below a predetermined level: determining the rate of change of the speed of the engine; selecting an idle entry set-point as a function of said rate; and initiating idle speed control of the engine on the basis of said idle entry set-point to thereby control the engine speed to a base idle speed.

La présente invention concerne un procédé permettant de commander la vitesse de ralenti d'un moteur à combustion interne. Ce procédé, en réponse à une vitesse de moteur qui est inférieure à un niveau prédéfini, consiste à déterminer le taux de variation de vitesse du moteur; à choisir un point de réglage d'entrée de ralenti, en tant que fonction dudit taux; et à initier la commande de vitesse de ralenti du moteur, sur la base dudit point de réglage d'entrée de ralenti, afin de commander la vitesse du moteur à une vitesse de ralenti de base.

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