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

2007-03-27

2007-03-27

Mai, Anh (Department: 2832)

Inductor devices

With outer casing or housing

Internal inductor support

C336S096000, C336S090000

Reexamination Certificate

active

11222940

ABSTRACT:
An ignition coil apparatus for an internal combustion engine can suppress an increase in the manufacturing cost of a terminal of a low-tension side connector resulting from variation in a wire diameter of an one end of a primary winding, and can ensure a stable fusing state. The positive terminal side fusing portion is composed of a planar portion and a turned portion that is inversely turned back from the planar portion to cooperate therewith to clamp a winding start conductor portion. A first bent portion of a radius of curvature R is formed at a base end portion of the turned portion. A second bent portion with its tip end tilted toward a planar portion is formed at an intermediate portion of the turned portion.

REFERENCES:
patent: 4130331 (1978-12-01), Neff et al.
patent: 5692482 (1997-12-01), Shimizu et al.
patent: 5949320 (1999-09-01), Cossins et al.
patent: 6030260 (2000-02-01), Kikuchi et al.
patent: 6611077 (2003-08-01), Yokomizo et al.
patent: 2000-348785 (2000-12-01), None

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