JPS57148830A - Vacuum degree checker for vacuum interrupter - Google Patents
Vacuum degree checker for vacuum interrupterInfo
- Publication number
- JPS57148830A JPS57148830A JP56035080A JP3508081A JPS57148830A JP S57148830 A JPS57148830 A JP S57148830A JP 56035080 A JP56035080 A JP 56035080A JP 3508081 A JP3508081 A JP 3508081A JP S57148830 A JPS57148830 A JP S57148830A
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- interrupter
- checker
- degree checker
- vacuum degree
- 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.)
- Pending
Links
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56035080A JPS57148830A (en) | 1981-03-11 | 1981-03-11 | Vacuum degree checker for vacuum interrupter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56035080A JPS57148830A (en) | 1981-03-11 | 1981-03-11 | Vacuum degree checker for vacuum interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57148830A true JPS57148830A (en) | 1982-09-14 |
Family
ID=12431999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56035080A Pending JPS57148830A (en) | 1981-03-11 | 1981-03-11 | Vacuum degree checker for vacuum interrupter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57148830A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1763049A1 (en) | 2005-09-13 | 2007-03-14 | Hitachi, Ltd. | Vacuum switchgear |
EP3327744A1 (en) * | 2016-11-28 | 2018-05-30 | Schneider Electric Industries SAS | Device for detecting loss of vacuum in a vacuum bulb and vacuum-based cutoff apparatus comprising such a device |
JP2020144980A (en) * | 2019-03-04 | 2020-09-10 | 株式会社日立産機システム | Vacuum valve pressure monitoring device and pressure monitoring method |
-
1981
- 1981-03-11 JP JP56035080A patent/JPS57148830A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1763049A1 (en) | 2005-09-13 | 2007-03-14 | Hitachi, Ltd. | Vacuum switchgear |
EP3327744A1 (en) * | 2016-11-28 | 2018-05-30 | Schneider Electric Industries SAS | Device for detecting loss of vacuum in a vacuum bulb and vacuum-based cutoff apparatus comprising such a device |
FR3059461A1 (en) * | 2016-11-28 | 2018-06-01 | Schneider Electric Industries Sas | DEVICE FOR DETECTING VACUUM LOSS IN A VACUUM BULB AND VACUUM CUTTING APPARATUS COMPRISING SUCH A DEVICE |
JP2020144980A (en) * | 2019-03-04 | 2020-09-10 | 株式会社日立産機システム | Vacuum valve pressure monitoring device and pressure monitoring method |
WO2020179089A1 (en) * | 2019-03-04 | 2020-09-10 | 株式会社日立産機システム | Pressure monitoring device and pressure monitoring method for vacuum valve |
US11842866B2 (en) | 2019-03-04 | 2023-12-12 | Hitachi Industrial Equipment Systems Co., Ltd. | Pressure monitoring device and pressure monitoring method for vacuum valve |
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