Spark developing apparatus for internal combustion engines

Details Spark developing apparatus for internal combustion engines Spark developing apparatus for internal combustion engines

1989-03-13

1990-02-27

Wolfe, Willis R.

Internal-combustion engines

High tension ignition system

Having a specific ignition coil

123635, 123647, 123169PA, 315 57, F02P 302

Patent

active

049036742

ABSTRACT:
Apparatus for developing and applying sparks to the combustion chamber of an internal combustion engine. The apparatus comprises separate primary and secondary winding units. The secondary unit includes a spark plug having an insulator. The insulator carries a secondary coil winding which is connected to the electrodes of the spark plug. The insulator has a bore which contains a magnetic core for the secondary winding. The primary winding unit includes a primary winding and a tubular flux carrying part formed of magnetic material. The primary winding unit has a bore which is slipped over a portion of the secondary unit that has the secondary winding. A voltage is induced in the secondary winding by magnetic coupling to the primary winding when it is energized.

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patent: 4834056 (1989-05-01), Kawai
patent: 4841944 (1989-06-01), Maeda et al.

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