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:
Jul. 16, 2019
Filed:
Mar. 08, 2017
Ntn Corporation, Osaka, JP;
Hiroyoshi Ito, Kuwana, JP;
Katsuyoshi Suzuki, Kuwana, JP;
NTN CORPORATION, Osaka, JP;
Abstract
Provided is a railway vehicle bearing abnormality sensing system that can accurately perform abnormality determination for railway vehicle bearings. The system () senses an abnormality in a plurality of rolling bearings () housed in an axle box () provided to a bogie (). The system () includes: vibration detection devices () each detecting vibration of a rolling bearing; an analysis device () determining an abnormality in the bearings () on the basis of detection data detected by the device (); and reception response detection start module () receiving a detection start signal and cause the device () to detect vibration of the rolling bearing. The system () further includes a measurement start command transmitting device (), installed apart from a railway vehicle, transmitting the detection start signal to the module ().