Spark plug for internal combustion engines

Details Spark plug for internal combustion engines Spark plug for internal combustion engines

1988-08-03

1990-04-03

Wieder, Kenneth

Electric lamp and discharge devices

Spark plugs

Particular electrode structure or spacing

313140, H01T 1320, H01T 1346

Patent

active

049143441

ABSTRACT:
A spark plug for internal combustion engines includes a third electrode in addition to a center electrode and a ground electrode which define a normal or main spark gap. Defined between the center electrode and the third electrode is an auxiliary gap adjoining the normal gap and adapted to produce a capacitive discharge at a voltage lower than that of the normal gap, and a discharge is induced across the normal gap by the capacitive discharge across the auxiliary gap.

REFERENCES:
patent: 2734143 (1956-02-01), Laird
patent: 3313972 (1967-04-01), Beesch
patent: 3353052 (1967-11-01), Barry
patent: 3970591 (1976-07-01), Harris

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