Ignition apparatus for internal combustion engine

Details Ignition apparatus for internal combustion engine Ignition apparatus for internal combustion engine

1995-09-08

1996-11-05

Wolfe, Willis R.

Internal-combustion engines

High tension ignition system

Safety device

123644, 123647, F02P 304, F02P 1712

Patent

active

055712452

ABSTRACT:
In an ignition apparatus for an internal combustion engine, an ECU produces an ignition signal to an igniter/coil circuit with an igniter and ignition coil, which in turn sends back a monitor signal for ignition failure determination in the ECU. The ignition signal and the monitor signal are sent through a single signal line. The monitor signal is produced based on a primary current or a secondary current of the ignition coil.

REFERENCES:
patent: 5044328 (1991-09-01), Umezaki
patent: 5143042 (1992-09-01), Scheid
patent: 5226394 (1993-07-01), Shimasaki et al.
patent: 5239973 (1993-08-01), Murata et al.
patent: 5299543 (1994-04-01), Taruya et al.
patent: 5301650 (1994-04-01), Neumayer et al.
patent: 5309884 (1994-05-01), Fukui et al.
patent: 5309888 (1994-05-01), Deutsch et al.
Journal of Nippondenso Technical Disclosure No. 52-163, published on Mar. 15, 1987.

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