Electric heating device with ceramic heater wedgingly received within a metalic body
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United States of America Patent
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Mar 9, 1999
Grant Date -
N/A
app pub date -
Dec 23, 1996
filing date -
Dec 23, 1996
priority date (Note) -
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Abstract
A cermanic heating device, such as a glow plug for use in a diesel engine, has a metallic body with a central bore, a creamic heater portion having a tapered body and a conductive core, and a conductor for electrically connecting the core. The central bore wedgingly receives the ceramic heater portion within the central bore securing electrical contact with the metallic body and positions a distal tip of the ceramic heater portion longitudinally from the metallic body.
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