Control of fuelling of an internal combustion engine

Details Control of fuelling of an internal combustion engine Control of fuelling of an internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/16 (2006.01) F02D 41/08 (2006.01) F02M 69/42 (2006.01)

Patent

CA 2236016

Disclosed is a method of control of fuelling to an engine having idle and off- idle operating modes including determining the total fuel per cycle at idle (FPC TOTAL-IDLE); determining the total fuel per cycle off-idle (FPC~TOTAL-OFF IDLE?); comparing FPC TOTAL-IDLE with FPC~TOTAL-OFF IDLE?; wherein if FPC~TOTAL-OFF IDLE? is less than FPC TOTAL-IDLE, a control means determines a fuelling level to the engine at least greater than FPC~TOTAL-OFF IDLE?. In a preferred method, the control means determines the fuelling level to the engine by incrementing FPC~TOTAL-OFF IDLE?.

L'invention concerne un procédé de gestion de l'alimentation en carburant d'un moteur présentant des modes de fonctionnement de ralenti et hors-ralenti consistant à déterminer le carburant total par cycle au ralenti (FPCTOTAL-RALENTI), à déterminer le carburant total par cycle hors-ralenti (FPCTOTAL-HORS RALENTI), à comparer FPCTOTAL-RALENTI avec FPCTOTAL-HORS RALENTI, et dans lequel si FPCTOTAL-HORS RALENTI est inférieur à FPCTOTAL-RALENTI, un moyen de gestion détermine un niveau d'alimentation en carburant du moteur au moins supérieur à FPCTOTAL-HORS RALENTI. Dans un mode de réalisation préféré, le moyen de gestion détermine le niveau d'alimentation en carburant du moteur par augmentation de FPCTOTAL-HORS RALENTI.

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