JPH0115033B2 - - Google Patents
Info
- Publication number
- JPH0115033B2 JPH0115033B2 JP56077105A JP7710581A JPH0115033B2 JP H0115033 B2 JPH0115033 B2 JP H0115033B2 JP 56077105 A JP56077105 A JP 56077105A JP 7710581 A JP7710581 A JP 7710581A JP H0115033 B2 JPH0115033 B2 JP H0115033B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fluid
- overcurrent
- specific gravity
- display device
- 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
- 239000012530 fluid Substances 0.000 claims description 52
- 230000005484 gravity Effects 0.000 claims description 21
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000000057 synthetic resin Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011553 magnetic fluid Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077105A JPS57191569A (en) | 1981-05-21 | 1981-05-21 | Display device for passing of overcurrent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077105A JPS57191569A (en) | 1981-05-21 | 1981-05-21 | Display device for passing of overcurrent |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56119504A Division JPS57191570A (en) | 1981-07-29 | 1981-07-29 | Display device for passing of overcurrent |
| JP56121188A Division JPS57192014A (en) | 1981-07-31 | 1981-07-31 | Holder for wire in electric apparatus |
| JP56121186A Division JPS57191572A (en) | 1981-07-31 | 1981-07-31 | Display device for passing of overcurrent |
| JP56121187A Division JPS57192013A (en) | 1981-07-31 | 1981-07-31 | Clamping member for wire in overcurrent passage indicator |
| JP56121185A Division JPS57191571A (en) | 1981-07-31 | 1981-07-31 | Display device for passing of overcurrent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57191569A JPS57191569A (en) | 1982-11-25 |
| JPH0115033B2 true JPH0115033B2 (enrdf_load_stackoverflow) | 1989-03-15 |
Family
ID=13624495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56077105A Granted JPS57191569A (en) | 1981-05-21 | 1981-05-21 | Display device for passing of overcurrent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57191569A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2640669B2 (ja) * | 1988-05-02 | 1997-08-13 | 東北電力株式会社 | 地絡事故点探査用表示器 |
-
1981
- 1981-05-21 JP JP56077105A patent/JPS57191569A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57191569A (en) | 1982-11-25 |
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