Pre-ignition detection and mitigation

Details Pre-ignition detection and mitigation Pre-ignition detection and mitigation

2007-12-04

2007-12-04

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S406470, C123S481000, C073S035090, C701S111000

Reexamination Certificate

active

11378672

ABSTRACT:
A system and method for detecting and mitigating preignition for a multi-cylinder engine is provided. According to one aspect of the disclosure, a method is provided including identifying a preignition event at an affected cylinder; deactivating the affected cylinder during a deactivation period; initiating an accommodation system for one or more unaffected cylinders; and activating an indicator system.

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