Ignition system having a high resistivity core
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United States of America Patent
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-
Jan 20, 2004
Grant Date -
Apr 17, 2003
app pub date -
Oct 12, 2001
filing date -
Oct 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ignition apparatus includes a high resistivity ferrite central core with a secondary winding disposed directly thereon. The ignition apparatus also includes, in a progressively coaxial fashion, a primary spool, a primary winding disposed on the spool, a case, and an outer core or shield of magnetically permeable material. The ignition apparatus exhibits reduced capacitance, and eliminates radial partial discharge at the inside diameter of the secondary winding.
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