Control system for internal combustion engine

Details Control system for internal combustion engine Control system for internal combustion engine

2006-02-07

2006-02-07

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568160

Reexamination Certificate

active

06994077

ABSTRACT:
Cylinders of a diesel engine1are provided with cylinder pressure sensors29ato29dfor detecting combustion chamber pressures. An electronic control unit (ECU)20of the engine selects optimum combustion parameters in accordance with a fuel injection mode of fuel injectors10ato10dof the engine and a combustion mode determined by the amount of EGR gas supplied from the EGR valve35from among a plurality of types of combustion parameters expressing the combustion state of the engine calculated based on the cylinder pressure sensor output and feedback controls the fuel injection amount and fuel injection timing so that the values of the combustion parameters match target values determined in accordance with the engine operating conditions. Due to this, the engine combustion state is controlled to the optimum state at all times regardless of the fuel injection mode or combustion mode.

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