Testing electrical ignition systems of internal combustion engin

Details Testing electrical ignition systems of internal combustion engin Testing electrical ignition systems of internal combustion engin

1974-08-06

1976-06-01

Chatmon, Jr., Saxfield

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 16T, 324 78F, 328148, 328149, G01R 1342, G01R 2300, G01R 2700

Patent

active

039612406

ABSTRACT:
A signal representative of an ignition pulse is derived, for example by slipping a transducer over an ignition cable, and the signal is passed through a low path filter to form an average value signal, the maximum intensity, or the timing of the maximum intensity of which is analyzed with respect to a threshold level (which may be dynamic, by comparison with other pulses, or fixed) and/or with respect to time of occurrence of the maximum value after the ignition pulse has commenced.

REFERENCES:
patent: 2982887 (1961-05-01), Seeley, Jr.
patent: 3551800 (1970-12-01), Widmer
patent: 3569831 (1971-03-01), Davis
patent: 3743922 (1973-07-01), Festos
patent: 3793584 (1974-02-01), Lai et al.
patent: 3820013 (1974-06-01), Trimble et al.
patent: 3832628 (1974-08-01), Pottebaum

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