EP0718860A3 - Vacuum valve and vacuum circuit breaker utilizing said vacuum valve - Google Patents

Vacuum valve and vacuum circuit breaker utilizing said vacuum valve Download PDF

Info

Publication number
EP0718860A3
EP0718860A3 EP95119341A EP95119341A EP0718860A3 EP 0718860 A3 EP0718860 A3 EP 0718860A3 EP 95119341 A EP95119341 A EP 95119341A EP 95119341 A EP95119341 A EP 95119341A EP 0718860 A3 EP0718860 A3 EP 0718860A3
Authority
EP
European Patent Office
Prior art keywords
vacuum
vacuum valve
circuit breaker
valve
breaker utilizing
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.)
Withdrawn
Application number
EP95119341A
Other languages
German (de)
French (fr)
Other versions
EP0718860A2 (en
Inventor
Toru Tanimizu
Yoshimi Hakamata
Yoshitomo Goto
Masato Kobayashi
Katsuhiro Komuro
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP31976594A external-priority patent/JP3166523B2/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0718860A2 publication Critical patent/EP0718860A2/en
Publication of EP0718860A3 publication Critical patent/EP0718860A3/en
Withdrawn legal-status Critical Current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
    • H01H33/666—Operating arrangements
    • 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
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66215—Details relating to the soldering or brazing of vacuum switch housings
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66223—Details relating to the sealing of vacuum switch housings
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66276—Details relating to the mounting of screens in vacuum switches
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • 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
    • H01H9/52—Cooling of switch parts
EP95119341A 1994-12-22 1995-12-07 Vacuum valve and vacuum circuit breaker utilizing said vacuum valve Withdrawn EP0718860A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31976594A JP3166523B2 (en) 1993-12-24 1994-12-22 Vacuum valve, method of manufacturing the same, and vacuum circuit breaker
JP319765/94 1994-12-22

Publications (2)

Publication Number Publication Date
EP0718860A2 EP0718860A2 (en) 1996-06-26
EP0718860A3 true EP0718860A3 (en) 1997-10-22

Family

ID=18113938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95119341A Withdrawn EP0718860A3 (en) 1994-12-22 1995-12-07 Vacuum valve and vacuum circuit breaker utilizing said vacuum valve

Country Status (4)

Country Link
EP (1) EP0718860A3 (en)
KR (1) KR100242330B1 (en)
CN (1) CN1047463C (en)
TW (1) TW373207B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902498C2 (en) * 1999-01-22 2001-05-17 Moeller Gmbh Vacuum interrupter
US20070007250A1 (en) 2005-07-08 2007-01-11 Eaton Corporation Sealing edge cross-sectional profiles to allow brazing of metal parts directly to a metallized ceramic for vacuum interrupter envelope construction
JP4765538B2 (en) * 2005-10-20 2011-09-07 富士電機機器制御株式会社 Vacuum valve, vacuum valve manufacturing method
KR20210026672A (en) * 2019-08-30 2021-03-10 캐논 톡키 가부시키가이샤 Vacuum apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021407A (en) * 1958-09-16 1962-02-13 Jennings Radio Mfg Corp Vacuumized electric switch
US3166658A (en) * 1962-07-05 1965-01-19 Jennings Radio Mfg Corp Vacuum switch and envelope construction therefor
US4587390A (en) * 1985-01-07 1986-05-06 Golden Gate Switchboard Co. Vacuum circuit breaker
US4672156A (en) * 1986-04-04 1987-06-09 Westinghouse Electric Corp. Vacuum interrupter with bellows shield

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021407A (en) * 1958-09-16 1962-02-13 Jennings Radio Mfg Corp Vacuumized electric switch
US3166658A (en) * 1962-07-05 1965-01-19 Jennings Radio Mfg Corp Vacuum switch and envelope construction therefor
US4587390A (en) * 1985-01-07 1986-05-06 Golden Gate Switchboard Co. Vacuum circuit breaker
US4672156A (en) * 1986-04-04 1987-06-09 Westinghouse Electric Corp. Vacuum interrupter with bellows shield

Also Published As

Publication number Publication date
TW373207B (en) 1999-11-01
KR100242330B1 (en) 2000-02-01
CN1133416A (en) 1996-10-16
CN1047463C (en) 1999-12-15
EP0718860A2 (en) 1996-06-26
KR960025890A (en) 1996-07-20

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