Internal combustion engine control device and internal...

Details Internal combustion engine control device and internal... Internal combustion engine control device and internal...

2009-04-23

2011-12-13

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

Reexamination Certificate

active

08074630

ABSTRACT:
An internal combustion engine control device and an internal combustion engine control system are disclosed as applied to an internal combustion engine having external EGR regulating device for regulating an external EGR amount in which a part of exhaust gases is recirculated from an exhaust gas passage to an air-intake passage, an internal EGR regulating device for regulating an internal EGR amount in which a part of combusted gases remains in a cylinder. External and internal EGR ratio control means controls operations of the external EGR regulating device and the internal EGR regulating device to variably control a ratio between the external EGR amount and the internal EGR amount depending on a surrounding atmospheric pressure.

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