Internal combustion engine of premixed charge compression...

Details Internal combustion engine of premixed charge compression... Internal combustion engine of premixed charge compression...

2005-08-09

2005-08-09

Kwon, John T. (Department: 3747)

Internal-combustion engines

Four-cycle

Having subcharger associated with the cylinder

C123S295000

Reexamination Certificate

active

06925984

ABSTRACT:
In an internal combustion engine of a premixed charge compression self-ignition type in which fuel and intake gas are premixed with each other, and the mixture is compressed and self-ignites, target ignition timing determination means (42) to determine a target ignition timing θ based on at least an engine operation state, target compression ratio determination means (41) to determine a target compression ratio (εt) required for the mixture to ignite, and control means (26) to control opening and closing of an intake valve (7) so that an effective compression ratio at the target ignition timing (θ) becomes equal to the target compression ratio (εt) are provided. According to this, the ignition timing of the fuel can be appropriately controlled.

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