F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 41/04 (2006.01) F02B 23/10 (2006.01) F02D 41/34 (2006.01) F02D 41/40 (2006.01) F02M 45/04 (2006.01) F02B 3/06 (2006.01) F02D 41/38 (2006.01)
Patent
CA 2291635
A method for controlling a compression-ignition internal combustion engine (12) which provides delivery of multiple fuel injection pulses per cylinder firing with precision of pulse quantities, separation, and timing adequate for transition between split and single injection at any speed and load, without disturbing the primary engine controller (22). The method compensates for variable operating conditions such as supply voltage, injection pressure, injection pulse separation, and injector (14) actuation latency or rise-time.
L'invention concerne un procédé pour la régulation d'un moteur à combustion interne à allumage par compression (12), qui consiste à fournir de multiples impulsions d'injection du carburant par allumage de cylindre, en garantissant la précision pour les quantités d'impulsions, la séparation entre les impulsions et la synchronisation adéquate requise dans la transition entre l'injection fractionnée et l'injection unique à toutes vitesses et charges, sans perturber le système de commande de moteur primaire (22). Le procédé permet de compenser les variations des conditions de fonctionnement telles que la tension d'alimentation, la pression d'injection, la séparation des impulsions d'injection et la latence ou le temps de montée de l'injecteur (14).
Detroit Diesel Corporation
Smart & Biggar
LandOfFree
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