Ignition coil unit for an internal combustion engine

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

1989-10-06

1991-04-02

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Having a specific mounting of system component

123634, F02P 304, H01F 3100

Patent

active

050039598

ABSTRACT:
An ignition coil unit for an internal combustion engine comprising a magnetic iron core, a primary coil wound around the iron core, a secondary coil electromagnetically coupled with the primary coil, a control circuit for controlling a primary electric current, and a case containing the iron core, the primary coil, the secondary coil and the control circuit therein. The ignition coil unit may further comprise a heat sink attached to the iron core, and the mold case may contain and integrally support the iron core and the heat sink, with at least part of the heat sink exposed to exterior of the mold case. The mold case defines a cavity containing therein the primary coil and the secondary coil wound around the iron core, and the space around the primary and second coils within the cavity is filled by a resin material.

REFERENCES:
patent: 3902471 (1975-09-01), Brungsberg
patent: 4195611 (1980-04-01), Worz et al.
patent: 4198943 (1980-04-01), Worz
patent: 4224917 (1980-09-01), Nakazawa et al.
patent: 4248201 (1981-02-01), Tsutsui et al.
patent: 4392473 (1983-07-01), Tsutsui et al.
patent: 4928660 (1990-05-01), Sohner et al.
patent: 4951641 (1990-08-01), Takaishi et al.

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