发明授权
US09506408B2 Method of fuel injection for a variable displacement engine 有权
变排量发动机燃油喷射方法

Method of fuel injection for a variable displacement engine
摘要:
Various systems and methods are described for controlling fuel injection in a variable displacement engine. One method for a deactivatable cylinder comprises, before deactivating the cylinder responsive to operating conditions, disabling a port injector and fueling the cylinder only via the direct injector. The method further comprises, when reactivating the cylinder from deactivation, enabling both the port injector and the direct injector, and injecting a higher amount of fuel via the direct injector while simultaneously injecting a lower amount of fuel via the port injector.
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