Ignition coil and method for manufacturing the same
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United States of America Patent
Stats
-
Jul 1, 2008
Grant Date -
Jan 31, 2008
app pub date -
Jul 13, 2007
filing date -
Jul 27, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ignition coil includes primary and secondary coils. The primary coil includes a primary spool and a primary winding wound on the spool. The primary winding has a second winding layer wound around a first winding layer. The primary spool has first and second overhangs protruding radially outwardly from a first spool end portion of the primary spool. The first overhang is positioned away from the second overhang toward a second spool end portion. The first winding layer has a first winding end portion extending from the first winding layer through a space between the first overhangs, and being wound on the first spool end portion between the first and second overhangs. The second winding layer has a second winding end portion extending from the second winding layer between the first overhangs, and being wound on the first spool end portion between the first and second overhangs.
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