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Charles Edward Johnson
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Individual
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Individual
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Publication of GB191211311ApublicationCriticalpatent/GB191211311A/en
H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
H01T13/00—Sparking plugs
H01T13/02—Details
H01T13/14—Means for self-cleaning
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Spark Plugs
(AREA)
Abstract
11,311. Johnson, C. E. May 13. Sparkin<g> - plugs. - The central terminal and its insulator are held in a bushing 10, to which the earthed terminal 17 is attached. The bottom of the bushing forms a valve engaging a seating on the plug body; when the bushing is screwed back from its seating, gases issuing from the combustion chamber through the holes 30 clean the spark terminals.
GB191211311D1912-05-131912-05-13Improvements in Sparking Plugs.
ExpiredGB191211311A
(en)