Ignition device for internal combustion engines

Details Ignition device for internal combustion engines Ignition device for internal combustion engines

1991-08-05

1992-09-01

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Safety device

324399, F02P 1700

Patent

active

051430428

ABSTRACT:
An ignition device for internal combustion engines includes at least one ignition coil having primary terminals and first and second secondary terminals separated from the primary terminals. The first secondary terminal leads directly or through a distributor to at least one spark plug. A common point is connected to the second secondary terminal. A sensor is connected between the common point and a negative pole of a supply voltage source. A measuring line is connected to the common point. An ignition control circuit is connected to the measuring line for evaluating measurement signals being picked up at the measuring line. A series circuit of a voltage limiter and a resistor has a connecting point therebetween. The series circuit is connected parallel to the sensor. A diagnosis line leads from the connecting point to the ignition control circuit and carries diagnosis signals to be picked up and evaluated in the ignition control circuit.

REFERENCES:
patent: 3942102 (1976-03-01), Kuhn et al.
patent: 4558280 (1985-12-01), Koehl et al.
patent: 4918389 (1990-04-01), Schleupen et al.
patent: 4987771 (1991-01-01), Iwata
patent: 5045796 (1991-09-01), Bentel et al.

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