Knocking determination apparatus for internal combustion engine

Details Knocking determination apparatus for internal combustion engine Knocking determination apparatus for internal combustion engine

2006-01-03

2006-01-03

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S299000

Reexamination Certificate

active

06981487

ABSTRACT:
An electronic control for determining knocking in an internal combustion engine having an intake injector for injecting fuel into an air intake port and an in-cylinder injector for directly injecting fuel into a combustion chamber. Knocking is determined based on an output signal from a knock sensor during a knock determination period. The electronic control unit alters the knock determination period in accordance with the ratio of the amount of fuel injected by the two injectors.

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