Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
Patent
1991-09-24
1993-11-02
O'Shea, Sandra L.
Electric lamp and discharge devices
Spark plugs
Particular electrode structure or spacing
313135, 439127, H01T 1304, H01R 1344
Patent
active
052586847
ABSTRACT:
A spark plug for an internal combustion engine has a center electrode and at least one side electrode defining between them a spark gap. The end of the center electrode opposite the spark gap is in the form of a rod carrying a connection piece for connection to the ignition circuit. The connection piece, which is made of a metal which is a good conductor of electricity, is force-fitted on the end rod of the center electrode.
REFERENCES:
patent: 1635186 (1927-07-01), Littleton
patent: 1996421 (1935-04-01), Hurley
patent: 2292216 (1942-08-01), Doran
patent: 3370331 (1968-02-01), Beardslee, Jr.
Eyquem
O'Shea Sandra L.
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