Electronic rotation speed-dependent control and/or diagnosis process for combustion engines
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United States of America Patent
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Jul 13, 2004
Grant Date -
Mar 27, 2003
app pub date -
Aug 29, 2002
filing date -
Sep 3, 2001
priority date (Note) -
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Abstract
An apparatus and process for diagnosis or control of the ignition or load state of a two or four cycle internal combustion engine. A generator rotating synchronously with the engine generates alternating voltages which are scanned by a control and the alternating voltage amplitudes correspond to the rotational speed of the engine. The control detects at least one of the voltage amplitudes each revolution and, based upon the detected amplitude, calculates a control or diagnosis value, sets one or more flags and/or triggers a control event at an ignition control and/or data output.
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