Ignition module for use with a light-duty internal combustion engine
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United States of America Patent
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Jun 16, 2009
Grant Date -
Jul 31, 2008
app pub date -
Jan 21, 2008
filing date -
Jan 26, 2007
priority date (Note) -
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Abstract
A capacitive discharge ignition (CDI) system that can be used with a variety of light-duty internal combustion engines, including those typically employed by lawn, garden, and other outdoor equipment. According to one embodiment, the CDI system includes an ignition module having a first switching device that shorts a charge coil during an initial portion of a charge cycle. Subsequently, the first switching device is turned ‘off’ so that a flyback charging technique charges an ignition capacitor. A second switching device is then used to discharge the ignition capacitor and initiate the combustion process.
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