Plasma ignition system

Internal-combustion engines – High tension ignition system – Additional spark energy supply

Reexamination Certificate

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Details

C123S14300R

Reexamination Certificate

active

07387115

ABSTRACT:
A plasma ignition system has an electromagnetic noise reduction circuit in addition to a discharge power circuit, a plasma generating power circuit, a plasma ignition plug, a discharging wire and a plasma generating wire. The noise reduction circuit includes a first rectifier connected to the discharging wire, a second rectifier connected to the plasma generating wire, and a noise reducing capacitor connected in parallel to the second rectifier. The noise reduction circuit is disposed close to the ignition plug so that the noise reducing capacitor bypasses only high frequency noise currents generated when the ignition plug discharges.

REFERENCES:
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patent: 4308488 (1981-12-01), Imai et al.
patent: 4327702 (1982-05-01), Imai et al.
patent: 4354136 (1982-10-01), Hamai et al.
patent: 4396855 (1983-08-01), Imai et al.
patent: 4510915 (1985-04-01), Ishikawa et al.
patent: 55-172658 (1980-12-01), None
patent: 57-172172 (1982-10-01), None
patent: 60-098167 (1985-06-01), None

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