Title:
潤滑油供給ユニットおよび軸受装置
Document Type and Number:
Japanese Patent JP7411347
Kind Code:
B2
Abstract:
This lubricating oil supply unit (40) and this bearing device (30) comprise: an oil tank (42) that retains a lubricating oil; a pump (43) that supplies the lubricating oil retained in the oil tank (42) to a bearing (5); a heat flow sensor (11a, 11b) that is installed on the bearing (5) or on a spacer (6), which is a member adjacent to the bearing; and a control device that controls the operation of the pump (43) in accordance with the output of the heat flow sensor (11a, 11b). The heat flow sensor (11a, 11b) makes it possible to accurately detect momentary and abrupt generation of heat in the roller bearing (5), assess a sign of abnormality on the basis of the detection result, and lubricate the bearing (5) at a suitable timing.
Inventors:
Shohei Hashizume
Application Number:
JP2019129748A
Publication Date:
January 11, 2024
Filing Date:
July 12, 2019
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/66; F16C19/06; F16C19/52; F16C41/00; F16N7/32
Domestic Patent References:
| JP2015014586A | ||||
| JP2017191019A | ||||
| JP2018128027A |
Foreign References:
| WO2018088227A1 |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office
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