Method and apparatus for detecting ionization signal in diesel and dual mode engines with plasma discharge system
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United States of America Patent
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Feb 7, 2006
Grant Date -
May 5, 2005
app pub date -
Apr 12, 2004
filing date -
Oct 31, 2003
priority date (Note) -
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Abstract
An apparatus and method to detect combustion conditions using ion signals for use in a feedback control of a diesel engine is presented. The apparatus is a spark plug type of sensor or a sensor integrated with a fuel injector. The spark plug type of sensor is used to provide a cold start mechanism combined with an ion sensing device.
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