JPH0247836Y2 - - Google Patents
Info
- Publication number
- JPH0247836Y2 JPH0247836Y2 JP4366386U JP4366386U JPH0247836Y2 JP H0247836 Y2 JPH0247836 Y2 JP H0247836Y2 JP 4366386 U JP4366386 U JP 4366386U JP 4366386 U JP4366386 U JP 4366386U JP H0247836 Y2 JPH0247836 Y2 JP H0247836Y2
- Authority
- JP
- Japan
- Prior art keywords
- diode
- transistor
- current
- circuit
- series
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 142
- 229910052742 iron Inorganic materials 0.000 claims description 71
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 description 12
- 238000004210 cathodic protection Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 8
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Prevention Of Electric Corrosion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4366386U JPH0247836Y2 (cs) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4366386U JPH0247836Y2 (cs) | 1986-03-25 | 1986-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62155291U JPS62155291U (cs) | 1987-10-02 |
| JPH0247836Y2 true JPH0247836Y2 (cs) | 1990-12-14 |
Family
ID=30860734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4366386U Expired JPH0247836Y2 (cs) | 1986-03-25 | 1986-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247836Y2 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5159464B2 (ja) * | 2008-06-23 | 2013-03-06 | 東京瓦斯株式会社 | 埋設パイプラインに対するカソード防食システム及びカソード防食方法 |
-
1986
- 1986-03-25 JP JP4366386U patent/JPH0247836Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62155291U (cs) | 1987-10-02 |
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