Ignition system for internal combustion engine

Details Ignition system for internal combustion engine Ignition system for internal combustion engine

1985-04-24

1987-07-21

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Electronic cylinder sequencing

123489, F02P 100

Patent

active

046810820

ABSTRACT:
An ignition system for controlling the distribution of ignition signals among a plurality of cylinders of a multi-cylinder internal combustion engine. An ignition timing signal and a BCD code signal obtained by counting (3) the cylinder discrimination signal generated at predetermined intervals of crank angle in accordance with the engine speed and a default signal produced at the time of a trouble with the ignition system are applied to a distribution ROM (5). The ROM, in turn, applies an ignition timing signal to each cylinder on the basis of stored data in accordance with the combination of these input signals. A fixed-position ignition is established at the time of a trouble.

REFERENCES:
patent: 4112895 (1978-09-01), Habert
patent: 4256072 (1981-03-01), Nakatomi et al.
patent: 4485784 (1984-12-01), Fujii
patent: 4499875 (1985-02-01), Katayama
patent: 4502441 (1985-03-01), Katayama
patent: 4502454 (1985-03-01), Hamai

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