JPH0459580B2 - - Google Patents
Info
- Publication number
- JPH0459580B2 JPH0459580B2 JP16953186A JP16953186A JPH0459580B2 JP H0459580 B2 JPH0459580 B2 JP H0459580B2 JP 16953186 A JP16953186 A JP 16953186A JP 16953186 A JP16953186 A JP 16953186A JP H0459580 B2 JPH0459580 B2 JP H0459580B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- light
- lubricating oil
- upper layer
- transmitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000007788 liquid Substances 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 description 16
- 238000011109 contamination Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 101150006573 PAN1 gene Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16953186A JPS6326557A (ja) | 1986-07-18 | 1986-07-18 | 液体状態判定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16953186A JPS6326557A (ja) | 1986-07-18 | 1986-07-18 | 液体状態判定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6326557A JPS6326557A (ja) | 1988-02-04 |
| JPH0459580B2 true JPH0459580B2 (enrdf_load_stackoverflow) | 1992-09-22 |
Family
ID=15888221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16953186A Granted JPS6326557A (ja) | 1986-07-18 | 1986-07-18 | 液体状態判定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326557A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100157304A1 (en) * | 2006-01-23 | 2010-06-24 | Ntn Corporation | Lubricant deterioration detecting device and detecting device incorporated bearing assembly |
| WO2007088701A1 (ja) * | 2006-02-01 | 2007-08-09 | Ntn Corporation | 潤滑剤劣化検出装置および検出装置付き軸受 |
-
1986
- 1986-07-18 JP JP16953186A patent/JPS6326557A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326557A (ja) | 1988-02-04 |
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