Ignition system for internal combustion engines

Details Ignition system for internal combustion engines Ignition system for internal combustion engines

1987-03-02

1988-04-05

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Power supply, ignition coil primary, and interrupter element...

123198DB, 123644, 123198DC, F02P 304

Patent

active

047351870

ABSTRACT:
In an ignition system for an internal combustion engine, on-off signals each responsive to one of a plurality of ignition signals from an engine control unit to switch on and off the primary current in an ignition coil are detected. A first trigger signal is produced from the logical sum of the detection signals and a second trigger signal is produced from the logical sum of the plurality of ignition signals from the engine control unit. A single nonretriggerable monostable multivibrator receives the first and second trigger signals to generate an engine ignition monitor signal.

REFERENCES:
patent: 4099495 (1978-07-01), Kiencke et al.
patent: 4117807 (1978-10-01), Barnard
patent: 4201173 (1980-05-01), Okada et al.
patent: 4380989 (1983-04-01), Takaki
patent: 4408592 (1983-10-01), Yoshinaga et al.
patent: 4660534 (1987-04-01), Catiaroli

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