Electric lamp and discharge devices – Spark plugs – Ring or disk electrode
Patent
1988-12-23
1990-04-03
DeMeo, Palmer C.
Electric lamp and discharge devices
Spark plugs
Ring or disk electrode
313141, 313142, H01T 1332
Patent
active
049143433
ABSTRACT:
The outer or side electrode of a spark plug is configured as a flat plate confronting the center electrode to define a gap, and fixed to the threaded shell or body of the plug by a plurality of spider legs. A plurality of holes are formed in the plate to improve the plug durability and retard any discharge voltage increases.
REFERENCES:
patent: 1360294 (1920-11-01), Hill
patent: 2047575 (1936-07-01), Burtnett
patent: 2139793 (1938-12-01), Benton
patent: 2150728 (1939-03-01), Nowosielski
patent: 2206073 (1940-07-01), Benton
patent: 2298504 (1942-10-01), Ost
patent: 2299924 (1942-10-01), Ost
Guggenmos Johannes
Holzmann Josef
Kagawa Junichi
Krappel Alfred
Matsutani Wataru
Bayerische Motoren Werke A.G.
DeMeo Palmer C.
NGK Spark Plug Co. Ltd.
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