Method and apparatus for monitoring operation of a spark ignitio

Details Method and apparatus for monitoring operation of a spark ignitio Method and apparatus for monitoring operation of a spark ignitio

1986-10-29

1988-07-26

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

With analysis of displayed waveform

73116, F02P 1700

Patent

active

047603410

ABSTRACT:
The characteristics of an energizing voltage pulse and of the spark discharge in an ignition device for a gas turbine engine are monitored by providing a voltage whose magnitude and duration correspond to those of an electrical field in the ignition device. An output signal is provided only when the duration and magnitude of the energizing pulse are respectively not greater than and not less than predetermined values, and when the time integral over a preset period of spark discharges in the device is greater than a predetermined value.

REFERENCES:
patent: 3409824 (1968-11-01), Makuh
patent: 3551800 (1970-12-01), Widmer
patent: 3942102 (1976-03-01), Kuhn
patent: 4449100 (1984-05-01), Johnson

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