Title:
流体軸受の異常検知装置及び異常検知方法
Document Type and Number:
Japanese Patent JP6851146
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an abnormality detection device and abnormality detection method of a fluid bearing, capable of detecting occurrence of clogging in a flow passage of an orifice, and capable of cleaning the orifice at proper timing.SOLUTION: An abnormality detection device of a fluid bearing includes: a bearing body 2; a bearing hole 3 formed in the bearing body 2; a plurality of pockets 4 opened on an inner peripheral surface of the bearing hole 3 and arranged with intervals around a center axis O of the bearing hole 3; a plurality of flow passages 28 communicating with the plurality of pockets 4; an orifice 5 detachably disposed in the flow passage 28; a plurality of pressure sensors 22 configured to measure fluid pressure held in the plurality of pockets 4; and a control unit 27. The control unit 27 is configured to, when among pressure measurement values measured by the plurality of pressure sensors 22, the difference between a maximum value and a minimum value is a predetermined value or more, detect abnormality.SELECTED DRAWING: Figure 2
Inventors:
Ryosuke Kusuhashi
Hirokazu Yamazaki
Hirokazu Yamazaki
Application Number:
JP2016103163A
Publication Date:
March 31, 2021
Filing Date:
May 24, 2016
Export Citation:
Assignee:
Universal Can Corporation
International Classes:
F16C32/06; F16N7/38; F16N29/00
Domestic Patent References:
| JP517227U | ||||
| JP2000110836A | ||||
| JP201651585A | ||||
| JP2002357222A | ||||
| JP20025164A | ||||
| JP6117437A |
Attorney, Agent or Firm:
Yasushi Matsunuma
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami
Masatake Shiga
Yoshifumi Saeki
Tadashi Takahashi
Tetsuo Yamazaki
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami
Masatake Shiga
Yoshifumi Saeki
Tadashi Takahashi
Tetsuo Yamazaki