Apparatus for use in testing an internal combustion engine ignit

Details Apparatus for use in testing an internal combustion engine ignit Apparatus for use in testing an internal combustion engine ignit

1980-05-21

1982-06-01

Krawczewicz, Stanley T.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Electronic ignition system

324385, F02P 1700

Patent

active

043330541

ABSTRACT:
An apparatus for testing an i.c.e. ignition system of the kind including an ignition coil and a semi-conductor switch means controlling current interruption in the coil primary, includes a voltage comparator connected to compare the voltage across the switch means with a predetermined voltage. The comparator output starts a monostable timer circuit, the output of which is gated with the output of the comparator to produce an output signal only if the voltage across the switch means falls below the predetermined voltage within a predetermined time duration.

REFERENCES:
patent: 3521155 (1970-07-01), Zdral

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