Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1990-12-19
1992-06-23
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123416, 123424, F02P 5155, F02P 514
Patent
active
051233908
ABSTRACT:
An ignition control apparatus for an engine which includes an ignition circuit for igniting a cylinder, and an ignition timing controller for controlling the ignition circuit so as to properly control the ignition timing of each cylinder. The ignition timing controller includes a first signal generator for generating a reference signal corresponding to a prescribed crank position of the cylinder in sync with the rotation of the engine, a second signal generator for generating a pulse signal in sync with the rotation of the engine. The pulse signal contains a prescribed number of pulses per revolution of the engine. A pulse counting circuit starts to count the number of pulses generated by the second signal generator from the time of occurence of the reference signal and generates an ignition signal for the ignition circuit so as to ignite the cylinder when it counts a prescribed number of pulses generated by the second signal generator. A counter controller controls the prescribed number of pulses to be counted by the pulse counting circuit. A starting controller may be provided for controlling the ignition circuit in such a manner that the ignition timing of the cylinder is controlled based, instead of the output signal of the pulse counting circuit on the output signal of the first signal generator during engine starting.
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Argenbright Tony M.
Mitsubishi Denki K.K.
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