JPS62445B2 - - Google Patents
Info
- Publication number
- JPS62445B2 JPS62445B2 JP6309177A JP6309177A JPS62445B2 JP S62445 B2 JPS62445 B2 JP S62445B2 JP 6309177 A JP6309177 A JP 6309177A JP 6309177 A JP6309177 A JP 6309177A JP S62445 B2 JPS62445 B2 JP S62445B2
- Authority
- JP
- Japan
- Prior art keywords
- optical transmission
- transport path
- fluid transport
- fluid
- light
- 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
- 230000003287 optical effect Effects 0.000 claims description 50
- 239000012530 fluid Substances 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6309177A JPS53148488A (en) | 1977-05-30 | 1977-05-30 | Detecting method of leaking points of fluid conveying paths and apparatus for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6309177A JPS53148488A (en) | 1977-05-30 | 1977-05-30 | Detecting method of leaking points of fluid conveying paths and apparatus for the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53148488A JPS53148488A (en) | 1978-12-25 |
| JPS62445B2 true JPS62445B2 (enrdf_load_stackoverflow) | 1987-01-08 |
Family
ID=13219289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6309177A Granted JPS53148488A (en) | 1977-05-30 | 1977-05-30 | Detecting method of leaking points of fluid conveying paths and apparatus for the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS53148488A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5516550A (en) * | 1978-07-21 | 1980-02-05 | Nippon Telegr & Teleph Corp <Ntt> | Information detection system by photo transmitter |
| JPS5748631A (en) * | 1980-09-08 | 1982-03-20 | Toshiba Corp | Detecting apparatus for leakage of sodium |
| JPS5875041A (ja) * | 1981-10-30 | 1983-05-06 | Showa Electric Wire & Cable Co Ltd | 漏水検知方法 |
-
1977
- 1977-05-30 JP JP6309177A patent/JPS53148488A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53148488A (en) | 1978-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5372741B2 (ja) | 光ファイバを使用した漏れ検出器 | |
| CA1159922A (en) | Device and method for detecting leaks in pipelines | |
| US6082193A (en) | Pipeline monitoring array | |
| US5333501A (en) | Abnormality monitoring apparatus for a pipeline | |
| US3508433A (en) | Pipeline leak detector | |
| US5200615A (en) | Method and apparatus for detecting the presence of fluids | |
| US3817086A (en) | Method and device for detecting and locating leaks in buried pipelines | |
| US7802465B2 (en) | Collecting conduit, apparatus and method for leakage monitoring and leakage location | |
| KR970707649A (ko) | 통신 링크의 방해 검출 시스템(echo cancellation using cross-correlation of buffered receive and transmit sample segments to determine cancelling filter coefficients) | |
| ES2013152A6 (es) | Sistema para la deteccion de manipulacion incorresta de cables de fibra optica y cable de fibra optica de este sistema. | |
| US5918267A (en) | Leak detection | |
| JPS62445B2 (enrdf_load_stackoverflow) | ||
| KR20110032127A (ko) | 파이프라인 파손탐지를 위한 광섬유 케이블 일체형 테이프(또는 시트) 및 이의 시공방법 | |
| CN115469412A (zh) | 一种基于应变的分布式光纤渗漏监测装置及其应用方法 | |
| US12259228B2 (en) | Fiber optic sensor network for subsurface impact protection system | |
| JPH07280695A (ja) | 電力ケーブルの漏油または浸水検知方法 | |
| RU2340881C2 (ru) | Чувствительный оптический кабель для системы детектирования утечек продукта | |
| GB2186683A (en) | Optical fibre intrusion detector | |
| JPS5854695Y2 (ja) | 油漏れ検出器 | |
| JPH06109577A (ja) | 液体検知用センサケーブル | |
| US20250137837A1 (en) | Quasi-distributed sensing using enhanced sensing structures | |
| JPS6233539B2 (enrdf_load_stackoverflow) | ||
| JPS6217178B2 (enrdf_load_stackoverflow) | ||
| JPS5875041A (ja) | 漏水検知方法 | |
| JPS6233540B2 (enrdf_load_stackoverflow) |