Ignition system for internal combustion engine

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

1988-04-18

1989-03-07

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123602, F02P 5155

Patent

active

048096610

ABSTRACT:
An ignition system for an internal combustion engine capable of carrying out operaton of an ignition position using a generating coil arranged in a magneto as a signal coil and without using an integrating circuit. For this purpose, in the ignition system, a trigger circuit for supplying a semiconductor switch with a trigger signal includes a delay rotation region setting circuit detecting that a rotational speed of an engine enters a delay rotation region to generate a delay region signal, a reference signal generating circuit for generating reference signals of different levels depending on the delay region signal, and a trigger signal generating circuit for comparing the output signal of the signal coil with the reference signal to generate a trigger signal.

REFERENCES:
patent: 4142490 (1979-03-01), Hosaka et al.
patent: 4237835 (1980-12-01), Rabus et al.
patent: 4245600 (1981-01-01), Katada
patent: 4385617 (1983-05-01), Nakata et al.
patent: 4503823 (1985-03-01), Shibukawa et al.
patent: 4516554 (1985-05-01), Miura et al.

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