Spark plug having a low noise level

Details Spark plug having a low noise level Spark plug having a low noise level

1979-05-14

1980-09-23

Smith, Alfred E.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Plural circuit elements

315 62, H01T 1340

Patent

active

042245540

ABSTRACT:
A spark plug incorporating a winding type inductor has a low noise level from a low frequency range to a high frequency range. The spark plug comprises a ceramic insulator having a bore, a metal fitting surrounding the insulator, a center electrode, a terminal electrode and a noise-attenuation element arranged in the bore of the ceramic insulator and sealed to the center and terminal electrodes through glass, said noise-attenuation element consisting of an inductance component alone or a combination of an inductance component and a resistance component, and said inductance component being arranged extending to both sides of a sealed level for the noise-attenuation element formed by an end of the metal fitting which is connected to the insulator.

REFERENCES:
patent: 1968225 (1934-07-01), Shell et al.
patent: 1984526 (1934-12-01), Given
patent: 3882341 (1975-05-01), Green
patent: 3883776 (1975-05-01), Berry
patent: 4029990 (1977-06-01), Nagy et al.

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