JPWO2021255869A1 - - Google Patents
Info
- Publication number
- JPWO2021255869A1 JPWO2021255869A1 JP2020564778A JP2020564778A JPWO2021255869A1 JP WO2021255869 A1 JPWO2021255869 A1 JP WO2021255869A1 JP 2020564778 A JP2020564778 A JP 2020564778A JP 2020564778 A JP2020564778 A JP 2020564778A JP WO2021255869 A1 JPWO2021255869 A1 JP WO2021255869A1
- 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.)
- Granted
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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6643—Contacts; Arc-extinguishing means, e.g. arcing rings having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
-
- 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
- H01H33/666—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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
- H01H33/6645—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact in which the coil like electrical connections encircle at least once the contact rod
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/023815 WO2021255869A1 (ja) | 2020-06-17 | 2020-06-17 | 真空バルブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6861915B1 JP6861915B1 (ja) | 2021-04-21 |
JPWO2021255869A1 true JPWO2021255869A1 (ja) | 2021-12-23 |
Family
ID=75520971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020564778A Active JP6861915B1 (ja) | 2020-06-17 | 2020-06-17 | 真空バルブ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230178315A1 (ja) |
EP (1) | EP4170692A4 (ja) |
JP (1) | JP6861915B1 (ja) |
WO (1) | WO2021255869A1 (ja) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5139355B2 (ja) * | 1971-09-16 | 1976-10-27 | ||
JPS5942735A (ja) | 1982-09-02 | 1984-03-09 | 株式会社東芝 | 真空バルブ |
JPH03272530A (ja) * | 1990-03-20 | 1991-12-04 | Fuji Electric Co Ltd | 真空遮断器用真空バルブ |
JPH05266769A (ja) * | 1992-03-19 | 1993-10-15 | Mitsubishi Electric Corp | 真空バルブの縦磁界電極およびその製造方法 |
FR2726396B1 (fr) * | 1994-10-31 | 1996-12-13 | Schneider Electric Sa | Interrupteur electrique sous vide |
FR2727565B1 (fr) * | 1994-11-29 | 1997-01-17 | Schneider Electric Sa | Interrupteur electrique, notamment sous vide |
JPH09274836A (ja) * | 1996-04-05 | 1997-10-21 | Mitsubishi Electric Corp | 真空バルブ及びその電極製造方法 |
JP4667032B2 (ja) * | 2004-12-10 | 2011-04-06 | 三菱電機株式会社 | 真空バルブ |
JP2010225474A (ja) * | 2009-03-24 | 2010-10-07 | Toshiba Corp | 真空バルブ |
JP5342517B2 (ja) * | 2010-07-14 | 2013-11-13 | 三菱電機株式会社 | 真空バルブ |
JP6115257B2 (ja) * | 2013-03-29 | 2017-04-19 | 三菱電機株式会社 | 真空バルブ |
-
2020
- 2020-06-17 WO PCT/JP2020/023815 patent/WO2021255869A1/ja unknown
- 2020-06-17 JP JP2020564778A patent/JP6861915B1/ja active Active
- 2020-06-17 EP EP20941291.5A patent/EP4170692A4/en not_active Withdrawn
- 2020-06-17 US US17/997,034 patent/US20230178315A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP6861915B1 (ja) | 2021-04-21 |
US20230178315A1 (en) | 2023-06-08 |
EP4170692A4 (en) | 2023-08-09 |
WO2021255869A1 (ja) | 2021-12-23 |
EP4170692A1 (en) | 2023-04-26 |
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