JPS621209B2 - - Google Patents
Info
- Publication number
- JPS621209B2 JPS621209B2 JP15774979A JP15774979A JPS621209B2 JP S621209 B2 JPS621209 B2 JP S621209B2 JP 15774979 A JP15774979 A JP 15774979A JP 15774979 A JP15774979 A JP 15774979A JP S621209 B2 JPS621209 B2 JP S621209B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- water supply
- supply pipe
- point
- differential pressure
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 138
- 238000000034 method Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Pipeline Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15774979A JPS5679936A (en) | 1979-12-05 | 1979-12-05 | Leakage detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15774979A JPS5679936A (en) | 1979-12-05 | 1979-12-05 | Leakage detecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5679936A JPS5679936A (en) | 1981-06-30 |
| JPS621209B2 true JPS621209B2 (en]) | 1987-01-12 |
Family
ID=15656501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15774979A Granted JPS5679936A (en) | 1979-12-05 | 1979-12-05 | Leakage detecting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5679936A (en]) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380609U (en]) * | 1986-11-13 | 1988-05-27 | ||
| JPS6457503U (en]) * | 1987-10-01 | 1989-04-10 | ||
| JPH01150621U (en]) * | 1988-04-04 | 1989-10-18 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0774387B2 (ja) * | 1990-04-20 | 1995-08-09 | 新日本製鐵株式会社 | 磁束密度の高い二方向性電磁鋼板の製造方法 |
| JPH081410B2 (ja) * | 1990-06-07 | 1996-01-10 | 工業技術院長 | ガス漏洩検知装置 |
| CN103308257A (zh) * | 2013-06-26 | 2013-09-18 | 贵州兴化化工股份有限公司 | 一种液压阀的检漏方法及其装置 |
| CN105240689B (zh) * | 2015-10-21 | 2018-05-04 | 长江大学 | 一种天然气管道输送漏气检测装置 |
| CN106764460A (zh) * | 2016-12-30 | 2017-05-31 | 天津市誉航润铭科技发展有限公司 | 分布式光纤输水管道泄漏定位系统 |
-
1979
- 1979-12-05 JP JP15774979A patent/JPS5679936A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380609U (en]) * | 1986-11-13 | 1988-05-27 | ||
| JPS6457503U (en]) * | 1987-10-01 | 1989-04-10 | ||
| JPH01150621U (en]) * | 1988-04-04 | 1989-10-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5679936A (en) | 1981-06-30 |
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