Ignition control system for internal combustion engines

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

1986-06-03

1987-09-01

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Having dwell control

123615, 123417, F02P 500

Patent

active

046901221

ABSTRACT:
In an ignition control system for the internal combustion engine, a reference angle sensor detects the rotational speed of the internal combustion engine, and detects a point near the top dead center, and generates a reference angle signal. An angle sensor similarly detects the rotational speed of the internal combustion engine, and discriminats the rotational speed for each predetermined angle, and generates an angle signal. A microcomputer includes an output compare register, a free-running counter and a timer control status register, and computes the ignition timing and energization time of the ignition coil in response to a reference angle signal from the reference angle sensor and an angle signal from the angle sensor.

REFERENCES:
patent: 4440141 (1984-04-01), Tsujimura et al.
patent: 4469081 (1984-09-01), Mate
patent: 4625704 (1986-12-01), Wheelock
patent: 4627398 (1986-12-01), Koike

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