JPS5636818A - Vacuum degree deterioration detector for vacuum breaker - Google Patents

Vacuum degree deterioration detector for vacuum breaker

Info

Publication number
JPS5636818A
JPS5636818A JP11255879A JP11255879A JPS5636818A JP S5636818 A JPS5636818 A JP S5636818A JP 11255879 A JP11255879 A JP 11255879A JP 11255879 A JP11255879 A JP 11255879A JP S5636818 A JPS5636818 A JP S5636818A
Authority
JP
Japan
Prior art keywords
vacuum
deterioration detector
breaker
degree deterioration
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
JP11255879A
Other languages
Japanese (ja)
Inventor
Akira Katou
Tomoyasu Matsuo
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 Electric Manufacturing Co Ltd
Original Assignee
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 Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP11255879A priority Critical patent/JPS5636818A/en
Publication of JPS5636818A publication Critical patent/JPS5636818A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP11255879A 1979-09-03 1979-09-03 Vacuum degree deterioration detector for vacuum breaker Pending JPS5636818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11255879A JPS5636818A (en) 1979-09-03 1979-09-03 Vacuum degree deterioration detector for vacuum breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11255879A JPS5636818A (en) 1979-09-03 1979-09-03 Vacuum degree deterioration detector for vacuum breaker

Publications (1)

Publication Number Publication Date
JPS5636818A true JPS5636818A (en) 1981-04-10

Family

ID=14589667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11255879A Pending JPS5636818A (en) 1979-09-03 1979-09-03 Vacuum degree deterioration detector for vacuum breaker

Country Status (1)

Country Link
JP (1) JPS5636818A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212019A (en) * 1984-04-05 1985-10-24 Murata Mfg Co Ltd Surface acoustic wave device
JPS61132741A (en) * 1984-11-30 1986-06-20 Suzuki Motor Co Ltd Air-fuel ratio controller internal-conbustion engine
US6426627B2 (en) 1999-12-16 2002-07-30 Hitachi, Ltd. Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212019A (en) * 1984-04-05 1985-10-24 Murata Mfg Co Ltd Surface acoustic wave device
JPH0510844B2 (en) * 1984-04-05 1993-02-10 Murata Manufacturing Co
JPS61132741A (en) * 1984-11-30 1986-06-20 Suzuki Motor Co Ltd Air-fuel ratio controller internal-conbustion engine
US6426627B2 (en) 1999-12-16 2002-07-30 Hitachi, Ltd. Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
US6529009B2 (en) 1999-12-16 2003-03-04 Hitachi, Ltd. Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof

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