Knocking control apparatus and knocking control method for...

Details Knocking control apparatus and knocking control method for... Knocking control apparatus and knocking control method for...

2006-05-09

2006-05-09

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C073S035030, C123S090150, C123S406290

Reexamination Certificate

active

07040285

ABSTRACT:
A knocking control apparatus for an internal combustion engine, which is applied to an internal combustion engine including a variable valve mechanism that can vary a valve characteristic of at least one of an intake valve and an exhaust valve, and which changes an engine control amount based on a result of a knocking determination as to whether knocking occurs, includes a controller which performs the knocking determination as to whether knocking occurs based on an output signal from a knock sensor that detects a vibration occurring in the internal combustion engine, and which changes a mode of the knocking determination according to a change in a combustion state of an air-fuel mixture, the change being caused by a change in the valve characteristic.

REFERENCES:
patent: 4960094 (1990-10-01), Koike et al.
patent: 6736109 (2004-05-01), Hoshino
patent: 6877482 (2005-04-01), Kinose
patent: 2004/0158388 (2004-08-01), Fujiwara et al.
patent: A B2 2666081 (1990-11-01), None
patent: A B2 2666082 (1990-11-01), None
patent: A 10-159642 (1998-06-01), None
patent: A 2002-221054 (2002-08-01), None

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