Multi-layer ceramic heater element and method of making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Sep 30, 1999
filing date -
Jun 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ceramic heater element and a glow plug incorporating the novel heater element. The heater element has a base portion and a heater portion. Conductive, insulative and resistive layers extend through both the base and heater portions. An outer conductive layer is applied to the outside of the base portion to provide a highly conductive return path. This tends to limit the heating of the resistive layer in the base portion and results in better and more reliable heat concentration in the heater portion. The heater element can be assembled to form a glow plug for a diesel engine.
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Family
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Cited Art Landscape
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