JPS4945434B1 - - Google Patents

Info

Publication number
JPS4945434B1
JPS4945434B1 JP43085893A JP8589368A JPS4945434B1 JP S4945434 B1 JPS4945434 B1 JP S4945434B1 JP 43085893 A JP43085893 A JP 43085893A JP 8589368 A JP8589368 A JP 8589368A JP S4945434 B1 JPS4945434 B1 JP S4945434B1
Authority
JP
Japan
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
JP43085893A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP43085893A priority Critical patent/JPS4945434B1/ja
Priority to US877811A priority patent/US3626125A/en
Priority to GB56989/69A priority patent/GB1277935A/en
Publication of JPS4945434B1 publication Critical patent/JPS4945434B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/202—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0038—Tap change devices making use of vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0044—Casings; Mountings; Disposition in transformer housing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Examining Or Testing Airtightness (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Housings And Mounting Of Transformers (AREA)
JP43085893A 1968-11-22 1968-11-22 Pending JPS4945434B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP43085893A JPS4945434B1 (en) 1968-11-22 1968-11-22
US877811A US3626125A (en) 1968-11-22 1969-11-18 Leak detecting means for vacuum switches
GB56989/69A GB1277935A (en) 1968-11-22 1969-11-21 Leak detecting means for vacuum switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43085893A JPS4945434B1 (en) 1968-11-22 1968-11-22

Publications (1)

Publication Number Publication Date
JPS4945434B1 true JPS4945434B1 (en) 1974-12-04

Family

ID=13871551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43085893A Pending JPS4945434B1 (en) 1968-11-22 1968-11-22

Country Status (3)

Country Link
US (1) US3626125A (en)
JP (1) JPS4945434B1 (en)
GB (1) GB1277935A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009525583A (en) * 2006-01-31 2009-07-09 トーマス・アンド・ベッツ・インターナショナル・インコーポレーテッド Vacuum switchgear

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814885A (en) * 1973-07-11 1974-06-04 Gen Electric Method of detecting a leak in a vacuum interrupter located inside a housing containing pressurized gas
SE410067B (en) * 1974-04-02 1979-09-17 Siemens Ag DEVICE FOR DETECTING LACK OF OPERATION FOR VACUUM BREAKING CHAMBER
US3983345A (en) * 1975-01-30 1976-09-28 General Electric Company Method of detecting a leak in any one of the vacuum interrupters of a high voltage circuit breaker
US4393286A (en) * 1978-08-24 1983-07-12 Tokyo Shibaura Denki Kabushiki Kaisha Vacuum circuit breakers
DE3424339A1 (en) * 1984-06-28 1986-01-09 Siemens AG, 1000 Berlin und 8000 München VACUUM SWITCH WITH A VACUUM MONITORING DEVICE
US6723940B1 (en) * 1999-04-13 2004-04-20 Abb Inc. Encapsulated magnetically actuated vacuum interrupter with integral bushing connector
FR2800905B1 (en) * 1999-11-08 2001-11-30 Alstom CENTRAL SWITCH WITH A RADIATOR-EXCHANGER
MXPA02011566A (en) * 2000-05-23 2003-06-06 Abb Inc Combination of a vacuum interruption device and oil filled transformer.
US7148677B2 (en) * 2005-02-15 2006-12-12 Eaton Corporation Vacuum circuit interrupter including circuit monitoring leakage or loss of vacuum and method of monitoring a vacuum interrupter for leakage or loss of vacuum
GB2471864A (en) * 2009-07-15 2011-01-19 Lucy And Co Ltd W Vacuum circuit breaker surrounded by fluid
CN103534777B (en) * 2011-03-25 2016-03-09 Abb技术有限公司 The tap changer improved
EP2624273B1 (en) * 2012-02-03 2015-04-01 ABB Technology AG Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material
US9216527B2 (en) 2012-02-09 2015-12-22 G & W Electric Company Solid-dielectric switch including a molded viewing window
EP2996131B1 (en) * 2014-09-12 2020-08-05 ABB Schweiz AG Vacuum interrupter pole for high pressure environment application
CN114923682B (en) * 2022-05-17 2023-10-24 北京通嘉宏瑞科技有限公司 Shaft seal service life acceleration verification testing machine and testing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1796746A (en) * 1926-11-02 1931-03-17 Buchholz Max Protection of electrical apparatus
US3206569A (en) * 1964-12-17 1965-09-14 Orin P Mccarty Protective means for transformer tap changer
US3404247A (en) * 1966-03-08 1968-10-01 Gen Electric Pressure responsive protective means for vacuum type circuit interrupters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009525583A (en) * 2006-01-31 2009-07-09 トーマス・アンド・ベッツ・インターナショナル・インコーポレーテッド Vacuum switchgear

Also Published As

Publication number Publication date
US3626125A (en) 1971-12-07
GB1277935A (en) 1972-06-14

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