Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB18446/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Publication of GB279388ApublicationCriticalpatent/GB279388A/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
H01T13/16—Means for dissipating heat
Landscapes
Spark Plugs
(AREA)
Connector Housings Or Holding Contact Members
(AREA)
Abstract
279,388. Mickel, G. Oct. 19, 1926, [Convention date]. Sparking-plugs. - Cooling is promoted by forming an annular groove d in the insulator, and adjacent openings g in the casing. An external sleeve h, regulates the degree of opening. Between the inner parts of the insulator and casing a sleeve e of copper, aluminium or similar material is interposed.