FR2312099A1 - VACUUM CUT-OFF SWITCH WITH TWO SETS OF ELECTRICALLY PARALLEL CONTACTS - Google Patents
VACUUM CUT-OFF SWITCH WITH TWO SETS OF ELECTRICALLY PARALLEL CONTACTSInfo
- Publication number
- FR2312099A1 FR2312099A1 FR7615032A FR7615032A FR2312099A1 FR 2312099 A1 FR2312099 A1 FR 2312099A1 FR 7615032 A FR7615032 A FR 7615032A FR 7615032 A FR7615032 A FR 7615032A FR 2312099 A1 FR2312099 A1 FR 2312099A1
- Authority
- FR
- France
- Prior art keywords
- sets
- switch
- electrically parallel
- parallel contacts
- vacuum cut
- 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- Withdrawn
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
- H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
-
- 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
- H01H33/6647—Contacts; Arc-extinguishing means, e.g. arcing rings having fixed middle contact and two movable contacts
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/579,122 US3996438A (en) | 1975-05-19 | 1975-05-19 | Vacuum-type circuit interrupter with two sets of contacts electrically in parallel |
US05/592,303 US4029921A (en) | 1975-07-01 | 1975-07-01 | Vacuum-type circuit interrupter with two sets of contacts electrically in parallel |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2312099A1 true FR2312099A1 (en) | 1976-12-17 |
Family
ID=27077673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7615032A Withdrawn FR2312099A1 (en) | 1975-05-19 | 1976-05-19 | VACUUM CUT-OFF SWITCH WITH TWO SETS OF ELECTRICALLY PARALLEL CONTACTS |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS51141371A (en) |
BR (1) | BR7603182A (en) |
DE (1) | DE2618040A1 (en) |
FR (1) | FR2312099A1 (en) |
GB (1) | GB1544662A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3427873A1 (en) * | 1984-07-26 | 1985-05-15 | Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka | Electrical vacuum switch |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB839252A (en) * | 1956-04-24 | 1960-06-29 | Electr & Allied Ind Res Ass | Improvements relating to high-vacuum electric circuit-breakers |
US3727092A (en) * | 1972-03-20 | 1973-04-10 | Gen Electric | High power vacuum fuse apparatus |
US3798484A (en) * | 1973-04-02 | 1974-03-19 | Gen Electric | Series multiple break vacuum arc discharge devices |
US3854068A (en) * | 1973-12-26 | 1974-12-10 | Gen Electric | Shield structure for vacuum arc discharge devices |
US3854880A (en) * | 1972-08-30 | 1974-12-17 | Boehringer Mannheim Gmbh | Reagent for the determination of calcium |
-
1976
- 1976-04-24 DE DE19762618040 patent/DE2618040A1/en active Pending
- 1976-05-18 GB GB2046976A patent/GB1544662A/en not_active Expired
- 1976-05-18 JP JP5616576A patent/JPS51141371A/en active Pending
- 1976-05-19 BR BR7603182A patent/BR7603182A/en unknown
- 1976-05-19 FR FR7615032A patent/FR2312099A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB839252A (en) * | 1956-04-24 | 1960-06-29 | Electr & Allied Ind Res Ass | Improvements relating to high-vacuum electric circuit-breakers |
US3727092A (en) * | 1972-03-20 | 1973-04-10 | Gen Electric | High power vacuum fuse apparatus |
US3854880A (en) * | 1972-08-30 | 1974-12-17 | Boehringer Mannheim Gmbh | Reagent for the determination of calcium |
US3798484A (en) * | 1973-04-02 | 1974-03-19 | Gen Electric | Series multiple break vacuum arc discharge devices |
US3854068A (en) * | 1973-12-26 | 1974-12-10 | Gen Electric | Shield structure for vacuum arc discharge devices |
Also Published As
Publication number | Publication date |
---|---|
BR7603182A (en) | 1977-02-01 |
DE2618040A1 (en) | 1976-12-02 |
JPS51141371A (en) | 1976-12-06 |
GB1544662A (en) | 1979-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |