Engine

F - Mech Eng,Light,Heat,Weapons – 02 – D

Patent

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Details

F02D 41/02 (2006.01) F02B 37/00 (2006.01) F02B 37/24 (2006.01) F02D 41/22 (2006.01) F02D 41/38 (2006.01)

Patent

CA 2715173

Provided is an engine capable of performing post-injection control with a proper fuel injection amount. The engine (1) comprises an engine body (10) equipped with a turbocharger (7), an engine rotational speed sensor (21), an acceleration opening degree sensor (24), a boost sensor (23), a turbo sensor (22), and an ECU (100) for performing post-injection control. The ECU (100) recognizes the rotational speed of the engine, the supercharging pressure, the load on the engine, and the rotational speed of the supercharger, and so performs the post-injection control that the rotational speed of the supercharger becomes equal to the target rotational speed of the supercharger calculated in the ECU (100).

L'invention porte sur un moteur capable d'effectuer une commande de post-injection avec une quantité d'injection de carburant correcte. Le moteur (1) comporte un corps de moteur (10) équipé d'un turbocompresseur (7), d'un capteur de vitesse de rotation de moteur (21), d'un capteur de degré d'ouverture d'accélération (24), d'un capteur d'amplification (23), d'un capteur de turbo (22) et d'une unité de commande électronique (100) pour effectuer une commande de post-injection. L'unité de commande électronique (100) reconnaît la vitesse de rotation du moteur, la pression de suralimentation, la charge sur le moteur et la vitesse de rotation du compresseur de suralimentation, et effectue la commande de post-injection de telle sorte que la vitesse de rotation du compresseur de suralimentation devient égale à la vitesse de rotation cible du compresseur de suralimentation calculée dans l'unité de commande électronique (100).

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