Furnace for generating heat by electrical resistance
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United States of America Patent
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-
Sep 29, 1981
Grant Date -
N/A
app pub date -
Sep 19, 1979
filing date -
May 9, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A furnace having a body in which electrically resistive material is positioned between two electrodes so that heat can be generated by passing a current through the material. The resistive material is a mixture of carbonized plant material and a non-organic material that acts as a insulator at low temperatures and acts as a conductor or semi-conductor at high temperatures.
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