Title:
転がり軸受装置および転がり軸受の異常の検出方法
Document Type and Number:
Japanese Patent JP6676982
Kind Code:
B2
Abstract:
A rolling bearing apparatus includes a bearing main body having an outer ring that is a fixed ring and an inner ring that is a rotating ring, the outer ring and the inner ring being concentrically provided, and a plurality of rolling elements provided between the outer ring and the inner ring, and a control unit having a vibration detector attached to the outer ring and a calculation unit that calculates a value for vibration of the bearing main body and a rotation speed thereof based on a detection signal from the vibration detector. The calculation unit calculates the rotation speed based on frequency components of vibration obtained from the detection signal and the number of vibrations inherent in the bearing main body.
Inventors:
Higashiyama Kaji
Masami Naka
Saka saki Tsukasa
Masami Naka
Saka saki Tsukasa
Application Number:
JP2016013166A
Publication Date:
April 08, 2020
Filing Date:
January 27, 2016
Export Citation:
Assignee:
JTEKT Corporation
International Classes:
F16C41/00; F16C19/06; F16C33/66; G01M13/04
Domestic Patent References:
| JP2006234786A | ||||
| JP2013221877A | ||||
| JP2000222668A | ||||
| JP2013060999A | ||||
| JP2014219078A |
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office