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AssigneeNabtesco Corporation
InventorsTakeshi Kiriyama, Takeshi Nishimura, Kazuhiko Sakurai, Masaki Harada
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One object is to increase the amount of abrasion powder accumulated in a sensing region to improve the sensitivity in sensing the abrasion powder. Provided is a sensor for sensing reduction of electric resistance between electrodes, a magnetic field being applied between the electrodes to accumulate magnetic powder floating in a lubricant between the electrodes, wherein at least one sensing region in which the magnetic powder is to be accumulated is provided in at least a part of a region between the electrodes, and the magnetic powder is inhibited from being accumulated in a non-sensing region constituted by a space around the electrodes other than the at least one sensing region.
A sensor for sensing reduction of electric resistance between a first electrode and at least one second electrode, a magnetic field being applied between the first electrode and said at least one second electrode to accumulate magnetic powder floating in a lubricant between the first electrode and said at least one second electrode,
Dependencies are inferred from the claim text.