Dual injection type internal combustion engine

Details Dual injection type internal combustion engine Dual injection type internal combustion engine

2008-04-25

2010-11-30

Kwon, John T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S429000

Reexamination Certificate

active

07844389

ABSTRACT:
A dual injection type internal combustion engine including an injector for in-cylinder injection and an injector for intake manifold injection includes a learning device for learning a background noise level based on an output signal of a knock sensor, and a knocking suppression control device for performing, while learning the background noise level, knocking suppression control by controlling fuel injection of the injector for in-cylinder injection or the injector for intake manifold injection. Alternatively, the engine includes a fixing device for fixing, while learning the background noise level, a start timing or end timing of fuel injection by the injector for in-cylinder injection at a basic timing determined by an operating state of the engine.

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Japanese Office Action issued in Japanese Patent Application No. 2009-222960 on Aug. 3, 2010.

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