Spark plug for internal combustion engines

Details Spark plug for internal combustion engines Spark plug for internal combustion engines

1995-06-06

1997-03-18

Oberley, Alvin E.

Electric lamp and discharge devices

Spark plugs

Particular electrode structure or spacing

313123, H01T 1320

Patent

active

056125860

ABSTRACT:
A spark plug for internal combustion engines ensures the formation of two spark paths. These two spark paths are a pure air spark which jumps over from electrode to electrode, and a creepage spark which emerges from the central electrode, creeps along the insulator and then jumps over at the point at the smallest distance between the insulator and the earth electrode. The spark plug includes a cylindrical metal tube which forms a housing and in which the central electrode is arranged, surrounded centrally by an insulator. The earth electrodes mounted on the metal tube are partially bent so that an obtuse bending angle of the bent-over part with respect to the part of the earth electrode which extends in the direction of the rotationally symmetrical longitudinal axis is produced.

REFERENCES:
patent: 1192003 (1916-07-01), Schmidt
patent: 1308107 (1919-07-01), Perron
patent: 2586864 (1952-02-01), Rose
patent: 2845566 (1958-07-01), Regar
patent: 4484101 (1984-11-01), Ibbott
patent: 4497633 (1985-02-01), Meyer et al.

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