Auxiliary device for engine spark plug ignition

Details Auxiliary device for engine spark plug ignition Auxiliary device for engine spark plug ignition

2008-01-22

2008-01-22

Argenbright, T. M (Department: 3747)

Internal-combustion engines

High tension ignition system

Power supply, ignition coil primary, and interrupter element...

C123S656000, C324S378000

Reexamination Certificate

active

11415900

ABSTRACT:
An auxiliary device for sparkplug ignition is provided having a case, and provided therein, electrolytic capacitors connected in parallel between ground terminals and positive terminals of the primary coils of the ignition coils, which are connected to sparkplugs in a direct ignition system. Diodes, which are connected in parallel, are provided in the reverse direction, between the ground terminals and the positive terminals on the primary coils. The case is fitted with a connector that connects to a dedicated harness. The back electromotive force generated in the primary side coils L1to L4of the ignition coils of each sparkplug is absorbed, so as to adjust the primary side current, allowing for generation of stabilized high voltage on the secondary coil side, and producing highly efficient sparkplug ignition.

REFERENCES:
patent: 4317068 (1982-02-01), Ward et al.
patent: 4922883 (1990-05-01), Iwasaki
patent: 6305365 (2001-10-01), Maeoka et al.

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