Title:
BEARING DEVICE WITH SENSOR AND ABNORMAL CONDITION DETECTING METHOD FOR BEARING DEVICE WITH SENSOR
Document Type and Number:
Japanese Patent JP2003269447
Kind Code:
A
Abstract:
To provide a bearing device with a sensor which certainly detects the occurrence of abnormal conditions on the basis of sensor detecting temperature, and also to provide an abnormal condition detecting method of the bearing device with the sensor.
This bearing device with a sensor has a rolling bearing 3 and a temperature sensor 30. The bearing device with the sensor comprises a controlling means 35 obtaining temperature information generated from the temperature sensor 30 at specified periods, and determining that an abnormal condition occurs when the rate of change in the temperature information exceeds a specified threshold value.
Inventors:
ENDO SHIGERU
FUJII OSAMU
MORITA KOICHI
FUJII OSAMU
MORITA KOICHI
Application Number:
JP2002072701A
Publication Date:
September 25, 2003
Filing Date:
March 15, 2002
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C19/52; (IPC1-7): F16C19/52
Attorney, Agent or Firm:
Shohei Oguri (4 outside)
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