F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 41/22 (2006.01) F02B 77/08 (2006.01) F02D 41/38 (2006.01)
Patent
CA 2387890
Method and system for determining degradation of fuel pump performance in a vehicle (10) having an internal combustion engine (58) is provided. The method allows for monitoring a signal indicative of a fuel value delivered by the fuel pump (56) based on first set of operational and environmental conditions. The method further allows for adjusting the value of the monitored signal for deviations from an estimated nominal fuel value based on a second set of operational and environmental conditions to generate an adjusted fuel value. The method further allows for comparing the value of the adjusted fuel value against the nominal fuel value to determine the performance of the pump.
La présente invention concerne un procédé et un système permettant de déterminer la dégradation de l'efficacité de la pompe à carburant d'un véhicule (10) pourvu d'un moteur à combustion interne (58). Ce procédé consiste à surveiller un signal qui est représentatif d'une valeur de carburant délivrée par la pompe à carburant (56), sur la base d'un premier ensemble de conditions opérationnelles et environnementales, à ajuster la valeur du signal surveillé, par rapport à des déviations à partir d'une valeur de carburant nominale estimée, sur la base d'un second ensemble de conditions opérationnelles et environnementales, afin de générer une valeur de carburant ajustée, puis à comparer la valeur de la valeur de carburant ajustée à la valeur de carburant nominale, afin de déterminer l'efficacité de ladite pompe.
Cryer Robert Douglas
Gallagher Shawn Michael
Patel Sagar Arvindbhai
Company General Electric
Craig Wilson And Company
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