Electrical heating apparatus
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United States of America Patent
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Oct 8, 2024
Grant Date -
Dec 17, 2020
app pub date -
Aug 28, 2020
filing date -
Mar 6, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical heating apparatus for supplying electric power to a metal body to electrically heat the metal body, includes: at least two electrodes that come into contact with the metal body; a power supply unit that supplies electric power to the electrodes; a warning unit that issues a warning that abnormality has occurred in the electrical heating of the metal body; and an abnormality detection unit that detects abnormality of the electrodes, in which the abnormality detection unit includes a resistance value acquisition unit that acquires a resistance value between the electrodes, and an abnormality determination unit that determines that abnormality has occurred in the electrodes and controls the warning unit to issue a warning that abnormality has occurred in the electrodes, in a case where the resistance value reaches a predetermined setting value.
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