Ignition coil with spaced secondary sector windings

Details Ignition coil with spaced secondary sector windings Ignition coil with spaced secondary sector windings

2011-06-28

2011-06-28

Mai, Anh T. (Department: 2832)

Inductor devices

With outer casing or housing

Internal inductor support

C336S090000, C123S634000, C123S635000

Reexamination Certificate

active

07969268

ABSTRACT:
An ignition coil configured for electrical communication with a spark plug of an internal combustion engine has a primary spool and a secondary spool. The primary spool has a bore and an outer surface with a low-voltage winding supported thereon. The secondary spool has a cavity with a magnetic core received therein and a substantially cylindrical outer surface. The secondary spool is received at least partially in the bore of the primary spool. A high-voltage winding is supported on the outer surface of the secondary spool. The high-voltage winding has discrete winding sectors spaced from one another along a length of the secondary spool.

REFERENCES:
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patent: 6501360 (2002-12-01), Martagni et al.
patent: 6636138 (2003-10-01), Bernardi et al.
patent: 6964263 (2005-11-01), Xi et al.
patent: 7053746 (2006-05-01), Widiger et al.
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patent: 2002/0046746 (2002-04-01), Nakabayashi et al.
patent: 2003/0183215 (2003-10-01), Miwa et al.
patent: 2004/0075517 (2004-04-01), Betz et al.
patent: 2004/0231652 (2004-11-01), Kondo et al.
patent: 0893599 (1997-07-01), None

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