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US 2026/0214753 A1Published application
Detection device and fluid heating device
AssigneeAisan Kogyo Kabushiki Kaisha
InventorsTomonori NAGASE, Makoto NAKAGAWA, Hiroyuki TAKAHASHI, Nobuo OGASAWARA
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Abstract
A detection device may include a conductive wire attached to a surface of an outer tube of the sheathed heater; and a detector configured to detect a current flowing through the outer tube of the sheathed heater via the conductive wire.
Claims7
A detection device for detecting leakage current of a sheathed heater, wherein
- the sheathed heater comprises a metal outer tube, a heating element housed in the outer tube, and a magnesium oxide insulating material filling the outer tube around the heating element, and
- the detection device comprises:
- a conductive wire attached to a surface of the outer tube of the sheathed heater;
- and
- a detector configured to detect current flowing through the outer tube of the sheathed heater via the conductive wire.
2 more elements
A fluid heating device comprising:
- a housing that houses fluid to be heated;
- a sheathed heater attached to the housing and configured to heat the fluid housed in the housing;
- and
- a detection device configured to detect leakage current of the sheathed heater,
- wherein
- the sheathed heater comprises a metal outer tube made, a heating element housed in the outer tube, and a magnesium oxide insulating material filling the outer tube around the heating element, and
- the detection device comprises:
- a conductive wire attached to a surface of the outer tube of the sheathed heater;
- and
- a detector configured to detect current flowing through the outer tube of the sheathed heater via the conductive wire.
7 more elements
Dependencies are inferred from the claim text.