JPS6252250B2 - - Google Patents
Info
- Publication number
- JPS6252250B2 JPS6252250B2 JP52146921A JP14692177A JPS6252250B2 JP S6252250 B2 JPS6252250 B2 JP S6252250B2 JP 52146921 A JP52146921 A JP 52146921A JP 14692177 A JP14692177 A JP 14692177A JP S6252250 B2 JPS6252250 B2 JP S6252250B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- optical fiber
- gap
- detection
- leakage
- 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
- 238000001514 detection method Methods 0.000 claims description 27
- 239000013307 optical fiber Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14692177A JPS5479695A (en) | 1977-12-07 | 1977-12-07 | Leak oil detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14692177A JPS5479695A (en) | 1977-12-07 | 1977-12-07 | Leak oil detecting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5479695A JPS5479695A (en) | 1979-06-25 |
| JPS6252250B2 true JPS6252250B2 (US20100154137A1-20100624-C00004.png) | 1987-11-04 |
Family
ID=15418571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14692177A Granted JPS5479695A (en) | 1977-12-07 | 1977-12-07 | Leak oil detecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5479695A (US20100154137A1-20100624-C00004.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344387A1 (de) * | 1983-12-08 | 1985-06-20 | Hoechst Ag, 6230 Frankfurt | Photometerkopf fuer kleine messvolumina |
| JP2009115698A (ja) * | 2007-11-08 | 2009-05-28 | Suzuki Giken:Kk | 光ファイバセンサ |
| US8593636B2 (en) | 2008-02-25 | 2013-11-26 | National Oilwell Varco Denmark I/S | Pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe |
| DE102016003285A1 (de) * | 2016-03-18 | 2017-09-21 | Dräger Safety AG & Co. KGaA | In-situ-Gasmesssystem für Gasreaktoren mit kritischen Umgebungen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4884595A (US20100154137A1-20100624-C00004.png) * | 1972-02-10 | 1973-11-09 |
-
1977
- 1977-12-07 JP JP14692177A patent/JPS5479695A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4884595A (US20100154137A1-20100624-C00004.png) * | 1972-02-10 | 1973-11-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5479695A (en) | 1979-06-25 |
