Electric lamp and discharge devices: systems – With electromagnetic wave radiation preventing or shielding...
Patent
1977-11-30
1979-06-26
Smith, Alfred E.
Electric lamp and discharge devices: systems
With electromagnetic wave radiation preventing or shielding...
313134, 336 84C, 339 26, 339143S, 174 35SM, 123148P, 200 19WG, 200 19DC, H01J 502, H01F 1504, H05K 900, H01T 1302
Patent
active
041594410
ABSTRACT:
A shielding and retaining system for vehicle engine electrical components, and particularly, components forming part of the ignition system thereof such as the spark plugs, ignition coil and distributor. The spark plug, when located in the engine block, is shielded by means of a spark plug shield. In addition, the distributor is provided with a body enclosure which is disposed around the distributor and is secured thereto thereby providing electrical shielding around the distributor. In like manner, a separate body enclosure is provided to be fitted around the coil and which also prevents radio frequency signals emanating from the coil. With a minimum amount of shielding components, it is possible to reduce a substantial portion of radio frequency noise.
REFERENCES:
patent: 1706764 (1929-03-01), Wright
patent: 2253531 (1941-08-01), Peters et al.
patent: 2409732 (1946-10-01), Browne et al.
patent: 2418531 (1947-04-01), Tognola
patent: 3048704 (1962-08-01), Estes
patent: 3697796 (1972-10-01), Livingston
Livingston Industries Incorporated
Roberts Charles F.
Schaap Robert J.
Smith Alfred E.
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