Method for detecting lean limit by means of ionic current in an internal combustion engine
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United States of America Patent
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Sep 26, 1995
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N/A
app pub date -
Jul 14, 1993
filing date -
Jul 21, 1992
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Abstract
An object of the invention is to detect an upper limit of a lean burn zone in an internal combustion engine in each ignition. The lean limit is detected on the basis of the characteristics of the ionic current in a cylinder of the engine immediately after ignition.
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