Ignition plug for internal combustion engine

Details Ignition plug for internal combustion engine Ignition plug for internal combustion engine

1980-02-22

1982-10-12

Demeo, Palmer C.

Electric lamp and discharge devices

Spark plugs

Ring or disk electrode

313143, H01T 1320

Patent

active

043541364

ABSTRACT:
An ignition plug for an internal combustion engine is disclosed which comprises an elongate electrode means inserted at the center of a plug body, another cylindrical electrode means encircling the electrode means and an insulator means provided between the elongate and cylindrical electrode means and forming a small cavity which is in communication with a combustion chamber. A plasma gas is created in the cavity due to the generation of a spark between the elongate and cylindrical electrode means and is jetted into the combustion chamber to ignite the air-fuel mixture therein. A gap into which the burnt gas is introduced is formed between the insulator means and the cylindrical electrode means so as to warm the wall of the cavity and thereby avoid ignition misfiring.

REFERENCES:
patent: 1952343 (1934-03-01), Watts
patent: 2171164 (1939-08-01), Rabezzana
patent: 2205196 (1940-06-01), Harper, Jr.
patent: 2208030 (1940-07-01), Holmes
patent: 2489410 (1949-11-01), Hahn
patent: 2586864 (1952-02-01), Rose
patent: 2899585 (1959-08-01), Dollenberg
patent: 3958144 (1976-05-01), Franks
patent: 4028576 (1977-06-01), Wofsey

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