Ignition coil apparatus for an internal combustion engine

Details Ignition coil apparatus for an internal combustion engine Ignition coil apparatus for an internal combustion engine

2007-06-12

2007-06-12

Solis, Erick (Department: 3747)

Internal-combustion engines

High tension ignition system

Having a specific ignition coil

Reexamination Certificate

active

11447886

ABSTRACT:
An ignition coil apparatus for an internal combustion engine can improve the ignition performance of the engine in an entire rotation range. The ignition coil apparatus is arranged in a plug hole formed in the engine, and includes a case (1), a center core (2) arranged on a central axis of the case (1), and a primary coil (3) and a secondary coil (4) both arranged on an outer periphery of the center core (2). Magnets (20) are arranged on the opposite end faces, respectively, of the center core (2) for applying a magnetic force thereto in a direction opposite to the direction of magnetic flux lines generated when a primary current (i1) is supplied to the primary coil (3), and the primary coil (3) has a resistance, an upper limit value of which is 1.2 Ω.

REFERENCES:
patent: 5703556 (1997-12-01), Kikuta et al.
patent: 5778863 (1998-07-01), Oosuka et al.
patent: 6208231 (2001-03-01), Oosuka et al.
patent: 2005/0241627 (2005-11-01), Ward
patent: 11-022604 (1999-01-01), None

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