JPS59175584A - 異状検出直列複数区画表皮電流発熱管 - Google Patents
異状検出直列複数区画表皮電流発熱管Info
- Publication number
- JPS59175584A JPS59175584A JP58049472A JP4947283A JPS59175584A JP S59175584 A JPS59175584 A JP S59175584A JP 58049472 A JP58049472 A JP 58049472A JP 4947283 A JP4947283 A JP 4947283A JP S59175584 A JPS59175584 A JP S59175584A
- Authority
- JP
- Japan
- Prior art keywords
- heating tube
- circuit
- current
- tube
- section
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims description 65
- 230000007257 malfunction Effects 0.000 title 1
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 26
- 230000005294 ferromagnetic effect Effects 0.000 description 22
- 230000007797 corrosion Effects 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000003302 ferromagnetic material Substances 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Pipe Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58049472A JPS59175584A (ja) | 1983-03-24 | 1983-03-24 | 異状検出直列複数区画表皮電流発熱管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58049472A JPS59175584A (ja) | 1983-03-24 | 1983-03-24 | 異状検出直列複数区画表皮電流発熱管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59175584A true JPS59175584A (ja) | 1984-10-04 |
JPH0129312B2 JPH0129312B2 (enrdf_load_stackoverflow) | 1989-06-09 |
Family
ID=12832089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58049472A Granted JPS59175584A (ja) | 1983-03-24 | 1983-03-24 | 異状検出直列複数区画表皮電流発熱管 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59175584A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023500894A (ja) * | 2019-11-07 | 2023-01-11 | ガンマスイス エスア | パイプライン電熱システム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4860335A (enrdf_load_stackoverflow) * | 1971-11-30 | 1973-08-24 |
-
1983
- 1983-03-24 JP JP58049472A patent/JPS59175584A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4860335A (enrdf_load_stackoverflow) * | 1971-11-30 | 1973-08-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023500894A (ja) * | 2019-11-07 | 2023-01-11 | ガンマスイス エスア | パイプライン電熱システム |
Also Published As
Publication number | Publication date |
---|---|
JPH0129312B2 (enrdf_load_stackoverflow) | 1989-06-09 |
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