Plasma arc ignition system
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United States of America Patent
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-
Oct 29, 1996
Grant Date -
N/A
app pub date -
May 20, 1994
filing date -
May 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ignition system for igniting fuel within an engine, comprising at least one ignition plug disposed in the engine, wherein the ignition plug has a pair of electrodes. A high voltage generator is connected to the ignition plug for applying a gated high voltage high frequency AC signal across the pair of electrodes so as to initiate ionization of the air/fuel mixture and create an infant plasma channel between the pair of electrodes. A plasma arc current generator is connected to the ignition plug for generating a predetermined magnitude of alternating current for a predetermined period of time so as to sustain the plasma channel and ignite the fuel, and a controller is provided for selectively enabling and disabling the high voltage generator and the plasma arc current generator at predetermined times.
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