Ignition coil and method for manufacturing the same

Details Ignition coil and method for manufacturing the same Ignition coil and method for manufacturing the same

2008-07-01

2008-07-01

Solis, Erick (Department: 3747)

Internal-combustion engines

High tension ignition system

Having a specific ignition coil

C336S092000

Reexamination Certificate

active

07392799

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.

REFERENCES:
patent: 6178957 (2001-01-01), Widiger et al.
patent: 7129812 (2006-10-01), Wada
patent: 2003/0122645 (2003-07-01), Oosuka et al.
patent: 2003/0136391 (2003-07-01), Nakashima et al.

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