The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 2024
Filed:
Aug. 28, 2020
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Akihiro Ide, Ehime, JP;
Masayuki Ishizuka, Ehime, JP;
Masayuki Saika, Ehime, JP;
Kimihiro Nogiwa, Ehime, JP;
Norieda Ueno, Tokyo, JP;
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
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.