Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
Patent
1986-06-24
1989-02-28
Moore, David K.
Electric lamp and discharge devices
Spark plugs
Particular electrode structure or spacing
313142, H01T 1320
Patent
active
048088781
ABSTRACT:
An ignition plug has a casing with a center electrode disposed therein. Adjacent and mutually spaced from the center electrode is a grounded electrode which is connected to the casing with at least one stay. A gas hole is provided on the grounded electrode opposite from the center electrode. The stay(s) are configured to swirl explosion gases to increase combustion speed. There are several embodiments of the grounded electrode, wherein each is provided with a gas re-entrant cavity on the piston side of the gas hole, wherein the cavity is shape configured for the purpose of accelerating the propagation speed of combustion gas.
REFERENCES:
patent: 1360294 (1920-11-01), Hill
patent: 2616407 (1952-11-01), Thomas
patent: 4401915 (1983-08-01), Kashiwara et al.
Kashiwara Hideaki
Kashiwara Ryohei
Kashiwara Takeaki
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