Title:
LUBRICANT SUPPLY UNIT AND BEARING DEVICE
Document Type and Number:
Japanese Patent JP2016153670
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lubricant supply unit capable of detecting supply abnormality of lubricant.SOLUTION: A lubricant supply unit includes: a lubricant tank 30 holding lubricant; a pump 29 configured to supply lubricant from the lubricant tank 30 to the inside of a bearing; a power generation unit 25 configured to generate power for operating the pump 29; a power storage unit 86 charged by power generated by the power generation unit 25, and configured to supply power to the pump 29; a voltage detection unit (A/D converter 27d) configured to detect voltage of the power storage unit 86; and a data processing device 27a configured to determine that the power storage unit 86 is in an abnormal state when change of the detection value of the voltage detection unit does not show a preset charging characteristic.SELECTED DRAWING: Figure 4
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Inventors:
ITO HIROYOSHI
TOMINAGA MASAYA
TOMINAGA MASAYA
Application Number:
JP2015031645A
Publication Date:
August 25, 2016
Filing Date:
February 20, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/66; F16N7/38; G01R31/36; H01M10/48; H02J7/00
Domestic Patent References:
| JP2014037879A | 2014-02-27 | |||
| JPH10285824A | 1998-10-23 | |||
| JP2001217012A | 2001-08-10 | |||
| JP2011211846A | 2011-10-20 | |||
| JP2013011312A | 2013-01-17 | |||
| JP2003139155A | 2003-05-14 | |||
| JP2004126852A | 2004-04-22 |
Attorney, Agent or Firm:
Fukami patent office