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:
Apr. 14, 2026
Filed:
Apr. 25, 2022
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Hyogo, JP;
Abstract
A rolling bearing abnormality detection device of the present invention detects a vibration generated in a rolling bearing as vibration data, obtains a frequency spectrum thereof, identifies a frequency indicating a peak as a peak frequency from the frequency spectrum within a predetermined frequency range including a theoretical frequency that brings about a peak on the frequency spectrum during occurrence of an abnormality, sets the peak frequency as a monitoring peak frequency of a monitoring target in a case where the peak frequency changes with time, and determines whether an abnormality is present, based on a peak value of a peak corresponding to the monitoring peak frequency.
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