JPS57148830A - Vacuum degree checker for vacuum interrupter - Google Patents

Vacuum degree checker for vacuum interrupter

Info

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
Application number
JP56035080A
Other languages
Japanese (ja)
Inventor
Tamotsu Takashima
Yoshifumi Shimogaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP56035080A priority Critical patent/JPS57148830A/en
Publication of JPS57148830A publication Critical patent/JPS57148830A/en
Pending legal-status Critical Current

Links

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP56035080A 1981-03-11 1981-03-11 Vacuum degree checker for vacuum interrupter Pending JPS57148830A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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