Invention Grant
US09587577B2 Fuel injection control device for internal combustion engine 有权
内燃机燃油喷射控制装置

Fuel injection control device for internal combustion engine
Abstract:
When injecting fuel from a direct injector and a port injector such that a requested fuel injection amount for an internal combustion engine is reached, the direct injector is driven in the following manner. That is, target fuel injection amounts are set on the basis of the engine operating state in order from the fuel injection with the highest priority among fuel injection in a compression stroke, fuel injection in the late stage of an intake stroke, and fuel injection in the early stage of the intake stroke in the direct injector, and the abovementioned setting continues until the total value of the target fuel injection amounts reaches the requested fuel injection amount. Moreover, the direct injector is driven in such a manner that the target fuel injection amounts for each of the abovementioned fuel injections set in this manner are obtained.
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