Performance spark plug

Details Performance spark plug Performance spark plug

1998-06-11

1999-10-19

Day, Michael

Electric lamp and discharge devices

Spark plugs

Ring or disk electrode

313141, H01T 122

Patent

active

059694661

ABSTRACT:
A spark plug includes a ground electrode and a center electrode. The ground electrode comprises a ring shaped member which is centered on the center electrode. A beveled ring shaped surface of the ring shaped member generally faces the center electrode. This increases the spark area of the ground electrode, providing for more consistent and stronger sparks, and even multiple sparks. A cross shaped channel is disposed centrally on a distal face of the center electrode. Because of the increased spark area which the channel provides, the spark is more likely to travel along the channel, rather than jump from point to point along the distal face of the center electrode, as can happen with conventional spark plugs; thus, the channel provides a stronger and more consistent spark.

REFERENCES:
patent: 4023058 (1977-05-01), Lara et al.
patent: 5202601 (1993-04-01), Takamura et al.
patent: 5406166 (1995-04-01), Abe et al.
patent: 5430346 (1995-07-01), Johnson

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