Spark plug cap

Details Spark plug cap Spark plug cap

1977-01-05

1978-10-31

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

313135, 315 59, 123169R, H01J 744, H01J 1346, H01J 2316, H01K 162

Patent

active

041236882

ABSTRACT:
A spark plug cap is provided for use on a spark plug of an internal combustion engine to intensify sparking across the gap between central and ground electrodes of the plug. The spark plug cap includes a cap body which comprises upper and lower insulating body sections detachably interconnected together. The upper body section is provided with a terminal head adapted to be connected to an ignition current supply cord, while the lower body section with a connector socket for mechanically connecting the cap to the spark plug. A conductor rod extend through the cap body to electrically connect the terminal head with the center electrode of the spark plug. At least one capacitor unit is supported within the cap body and connected in parallel to the spark gap between the plug electrodes. The capacitor unit includes a cylindrical dielectric and a pair of electrodes positioned on the opposite end faces of the cylindrical dielectric.

REFERENCES:
patent: 1317834 (1919-10-01), Sweeney
patent: 1798789 (1931-03-01), Gale
patent: 1982950 (1934-12-01), Curtis
patent: 2640174 (1953-05-01), Short et al.
patent: 3002126 (1961-09-01), Noir
patent: 3124718 (1964-03-01), Marks et al.
patent: 3683232 (1972-08-01), Baur

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