GB2341979B - Vacuum switching devices - Google Patents

Vacuum switching devices

Info

Publication number
GB2341979B
GB2341979B GB9922555A GB9922555A GB2341979B GB 2341979 B GB2341979 B GB 2341979B GB 9922555 A GB9922555 A GB 9922555A GB 9922555 A GB9922555 A GB 9922555A GB 2341979 B GB2341979 B GB 2341979B
Authority
GB
United Kingdom
Prior art keywords
switching devices
vacuum switching
vacuum
devices
switching
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.)
Expired - Fee Related
Application number
GB9922555A
Other versions
GB2341979A (en
GB9922555D0 (en
Inventor
Leslie Thomas Falkingham
Gordon James Rushton
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.)
Alstom SA
Original Assignee
Alstom SA
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 Alstom SA filed Critical Alstom SA
Publication of GB9922555D0 publication Critical patent/GB9922555D0/en
Publication of GB2341979A publication Critical patent/GB2341979A/en
Application granted granted Critical
Publication of GB2341979B publication Critical patent/GB2341979B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H33/662—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
    • 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
    • H01H33/66261—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
GB9922555A 1998-09-24 1999-09-24 Vacuum switching devices Expired - Fee Related GB2341979B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9820717.8A GB9820717D0 (en) 1998-09-24 1998-09-24 Improvements relating to vacuum switching devices

Publications (3)

Publication Number Publication Date
GB9922555D0 GB9922555D0 (en) 1999-11-24
GB2341979A GB2341979A (en) 2000-03-29
GB2341979B true GB2341979B (en) 2000-08-23

Family

ID=10839331

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9820717.8A Ceased GB9820717D0 (en) 1998-09-24 1998-09-24 Improvements relating to vacuum switching devices
GB9922555A Expired - Fee Related GB2341979B (en) 1998-09-24 1999-09-24 Vacuum switching devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9820717.8A Ceased GB9820717D0 (en) 1998-09-24 1998-09-24 Improvements relating to vacuum switching devices

Country Status (1)

Country Link
GB (2) GB9820717D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8039771B2 (en) 2008-08-11 2011-10-18 Eaton Corporation Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same
WO2018189939A1 (en) * 2017-04-11 2018-10-18 三菱電機株式会社 Vacuum valve and vacuum circuit breaker using same
JP6372634B1 (en) * 2017-04-11 2018-08-15 三菱電機株式会社 Vacuum valve and vacuum circuit breaker using the same

Also Published As

Publication number Publication date
GB9820717D0 (en) 1998-11-18
GB2341979A (en) 2000-03-29
GB9922555D0 (en) 1999-11-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030924