Engine igniting coil device

Details Engine igniting coil device Engine igniting coil device

1999-06-23

2000-07-25

Geilner, Michael L.

Inductor devices

With outer casing or housing

Potted type

336 90, 336 92, 123634, H01F 2702

Patent

active

060941219

ABSTRACT:
An engine igniting coil device adapted to be mounted in a cylindrical bore of an engine and directly connected with an ignition plug therein has a coil case containing an igniting coil assembly and made of conductive magnetic material which is held at the ground potential level, thus preventing a decrease of output factor of the igniting coil of produced magnetic flux when spreading about and passing through a cylinder head of the engine and eliminating the possibility of leakage discharge from a high-voltage portion of the igniting coil assembly to the coil case and the cylinder head.

REFERENCES:
patent: 4514712 (1985-04-01), McDougal
patent: 5537983 (1996-07-01), Nakajima
patent: 5632259 (1997-05-01), Konda et al.
patent: 5758624 (1998-06-01), Satou et al.
patent: 5767758 (1998-06-01), Sakamaki
patent: 5771870 (1998-06-01), Satou et al.
patent: 5778863 (1998-07-01), Oosuka et al.

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