Ignition coil for motor vehicles

Details Ignition coil for motor vehicles Ignition coil for motor vehicles

2001-06-01

2002-11-19

Mai, Anh (Department: 2832)

Inductor devices

With outer casing or housing

C336S096000, C336S090000

Reexamination Certificate

active

06483410

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to an ignition coil for motor vehicles, as specified in the preamble of claim
1
.
The invention relates to an ignition coil which, in use, is designed to be mounted directly on a corresponding spark plug. A known ignition coil of this type has an elongated shape and comprises a magnetic core which has a rectilinear axis and is housed inside a secondary spool which carries a high-voltage winding. The secondary spool is in turn set inside a primary spool which carries a low-voltage winding. The assembly comprising the magnetic core and the two spools with their respective windings is housed in a tubular casing filled with an insulating resin. The ignition coil comprises a low-voltage connector including a body made of plastic material, and pin-shaped metal contacts which are electrically connected to the low-voltage winding.
SUMMARY OF THE INVENTION
The object of the present invention is to improve on an ignition coil of the type specified above in such a way as to enable reduction in the number of components, as well as in the production and assembly costs of the above-mentioned coil.
According to the present invention, the aforesaid object is achieved by an ignition coil having the characteristics specified in claim
1
.


REFERENCES:
patent: 5590637 (1997-01-01), Motodate
patent: 6169471 (2001-01-01), Sakamaki et al.
patent: 6188304 (2001-02-01), Skinner et al.
patent: 6215385 (2001-04-01), Ogden
patent: 198 60 043 (1999-07-01), None
patent: 0 387 993 (1990-09-01), None
patent: 0 791 732 (1997-08-01), None
patent: 2 624 559 (1989-06-01), None
Shimoide et al. [US 2002/0011910], Jan. 2002.

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