Testing method for ignition systems of internal combustion engin

Details Testing method for ignition systems of internal combustion engin Testing method for ignition systems of internal combustion engin

1984-11-16

1987-08-04

Krawczewicz, Stanley T.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

In situ testing of spark plug

324380, F02P 1700

Patent

active

046848967

ABSTRACT:
A method and apparatus for testing ignition systems of internal combustion engines in motor vehicles, in which an ignition voltage signal on the primary side for one ignition operation or averaged for several ignition operations is compared with a should-be signal and the electrode distance of a spark plug is determined in that the should-be signal is taken at the beginning of a service interval and under an operating condition which at least approximately equals the actual operating condition at the point of time of the test.

REFERENCES:
patent: 2430069 (1947-11-01), Mesh
patent: 4053823 (1977-10-01), Adamian
patent: 4449100 (1984-05-01), Johnson et al.

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