Ignition coil assembly with spool having ramps at both ends thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Jan 12, 2000
filing date -
Jan 12, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ignition coil assembly adapted to be mounted directly in a plug hole of an internal combustion engine. The coil assembly includes a primary coil and a secondary coil. The spool upon which the secondary coil is wound is cylindrical in shape and has ramp structures provided at each end thereof. The ramps decrease voltage concentration between the secondary and primary windings, decrease the voltage gradient along the end wall of the secondary spool, and minimize adverse effects of gaps created during thermal expansion/contraction.
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