Electricity: measuring and testing – Internal-combustion engine ignition system or device – Electronic ignition system
Patent
1994-07-07
1997-10-07
Wieder, Kenneth A.
Electricity: measuring and testing
Internal-combustion engine ignition system or device
Electronic ignition system
324399, 324384, G08B 2100
Patent
active
056752571
ABSTRACT:
A device for diagnosing the state of health of an ignition system is provided, where the system includes at least one spark producing channel comprising an exciter, output circuit and igniter plug. The device provides a diagnosis of the state of health for both the exciter and igniter plug by monitoring the high energy pulses at the output of the exciter. By monitoring the ignition system at an intermediate point in the system such as the output of the exciter, the sensor and electronics of the device may be completely contained within the electronic environment of the exciter, thereby avoiding any need for attaching sensors at the output of the system adjacent to the igniter plug in order to diagnose the plug's state of health. As an alternative to the device being built into the ignition system, it can be incorporated into automatic test equipment that produces high energy pulses for delivery to an igniter plug to be tested. The device is capable of diagnosing failure of either the exciter or the igniter plug and may also be configured to detect the impending failure of the plug.
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Solis Jose M.
Unison Industries Limited Partnership
Wieder Kenneth A.
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