F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
F02P 17/00 (2006.01) F02P 3/02 (2006.01) F02P 5/152 (2006.01) F02P 13/00 (2006.01) F02P 15/08 (2006.01) F02P 15/12 (2006.01) F02P 17/12 (2006.01) H01F 38/12 (2006.01)
Patent
CA 2134814
An engine ignition and control system for an internal combustion engine. The system includes an ignition transformer mounted directly to a spark plug and adapted to rapidly re-fire the spark plug during a combustion cycle enabling the performance of various ignition diagnostic procedures. A controller provides signals to a circuit which causes charging of the transformer for ignition and subsequent charging of the transformer for diagnostic purposes. The system also includes a diagnostic circuit, connected to the transformer, which can detect the occurrence of electrical discharges across the spark plug electrodes as a result of the diagnostic charges. The detection circuit either outputs a signal ar omits a signal to the controller which allows the controller to diagnose conditions within the combustion cylinder. Additionally, the diagnostic circuit is capable of outputting a signal which can be correlated to the load on the engine.
Ciuffetelli Mark
Kafka Leonard
Noble Gardiner A.
Chrysler Corporation
Chrysler Group Llc
Marks & Clerk
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