Method and device for controlling an internal combustion engine

Details Method and device for controlling an internal combustion engine Method and device for controlling an internal combustion engine

2008-05-27

2008-05-27

Argenbright, T. M (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S406230, C123S406450, C123S436000, C701S110000

Reexamination Certificate

active

07377260

ABSTRACT:
An internal combustion engine has a plurality of cylinders having combustion chambers and each being associated with a spark plug designed for igniting a mixture of air and fuel in the combustion chamber, and at least two adjusting devices for adjusting the air supply to the combustion chambers of the different cylinders. To control the internal combustion engine, an individual ignition angle is detected for each group of cylinders to which the same air mass per working cycle is respectively supplied and during the respective working cycles of which the same loss torque is decisive. The decisive loss torque is the one associated with the cylinder that is in its intake cycle during the respective working cycle of the respective cylinder of the respective group. The individual ignition angle for each group is detected as a function of the decisive loss torque for the respective group.

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