Internal combustion engine coil-type ignition control

Details Internal combustion engine coil-type ignition control Internal combustion engine coil-type ignition control

1984-07-19

1985-12-17

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Having dwell control

123644, F02P 3045, F02P 305

Patent

active

045586845

ABSTRACT:
An ignition system with an ignition coil employs a power amplifier driven by a microprocessor for starting and interrupting coil current, in accordance with signals from an engine driven transducer. The power amplifier includes a current limiter, but this does not usually come into operation. Instead, the actual current flowing just before the instant of spark in each engine cycle is measured and the on time of the power amplifier is adjusted for the next cycle to cause the final current to approach a desired value less than the current limit value.

REFERENCES:
patent: 3838672 (1974-10-01), Richards et al.
patent: 4121556 (1978-10-01), Bigliani et al.
patent: 4198936 (1980-04-01), Pagel et al.
patent: 4248195 (1981-02-01), Gorille
patent: 4298941 (1981-11-01), Furuhashi
patent: 4347570 (1982-08-01), Akiyama et al.
patent: 4378778 (1983-04-01), Harter
patent: 4467776 (1984-08-01), Mezger et al.

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