Fuel injection controlling apparatus for engine

Details Fuel injection controlling apparatus for engine Fuel injection controlling apparatus for engine

2005-12-27

2005-12-27

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S278000, C060S301000

Reexamination Certificate

active

06978599

ABSTRACT:
The invention provides a fuel injection controlling apparatus for an engine that reduces NOx amounts in an exhaust gas of a Diesel engine conducting lean combustion. An inter-cylinder injector (20a) is arranged in each cylinder of an engine (1). An intake port/manifold injector (21a) is arranged at an inlet of each cylinder of an intake manifold (5). A speed sensor (32) for detecting the engine speed is provided to the engine. A controller (31) is connected to the speed sensor (32), the inter-cylinder injector (20a) and the intake port/manifold injector (21a), and calculates an engine load. The intake port/manifold injector (21a) injects the fuel when the engine load is low, and the inter-cylinder injector (20a) injects the fuel when the engine load is high.

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