JPS5070868A - - Google Patents
Info
- Publication number
- JPS5070868A JPS5070868A JP49086106A JP8610674A JPS5070868A JP S5070868 A JPS5070868 A JP S5070868A JP 49086106 A JP49086106 A JP 49086106A JP 8610674 A JP8610674 A JP 8610674A JP S5070868 A JPS5070868 A JP S5070868A
- 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
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
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
-
- 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
- H01H2033/66269—Details relating to the materials used for 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
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66292—Details relating to the use of multiple screens in vacuum switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00383684A US3851203A (en) | 1973-07-30 | 1973-07-30 | Vacuum arc devices with improved arcing shields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5070868A true JPS5070868A (ja) | 1975-06-12 |
Family
ID=23514228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49086106A Pending JPS5070868A (ja) | 1973-07-30 | 1974-07-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3851203A (ja) |
| JP (1) | JPS5070868A (ja) |
| CA (1) | CA1013404A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154087U (ja) * | 1981-03-24 | 1982-09-28 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940862A (en) * | 1989-10-26 | 1990-07-10 | Westinghouse Electric Corp. | Vacuum interrupter with improved vapor shield for gas adsorption |
| US5438174A (en) * | 1993-11-22 | 1995-08-01 | Eaton Corporation | Vacuum interrupter with a radial magnetic field |
| FR2841682B1 (fr) * | 2002-06-27 | 2004-12-10 | Schneider Electric Ind Sas | Ampoule a vide pour un appareil de protection electrique tel un interrupteur ou un disjoncteur |
| US7802480B2 (en) * | 2004-05-18 | 2010-09-28 | Thomas And Betts International, Inc. | Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163734A (en) * | 1962-01-26 | 1964-12-29 | Gen Electric | Vacuum-type circuit interrupter with improved vapor-condensing shielding |
| US3509406A (en) * | 1968-07-01 | 1970-04-28 | Gen Electric | Vacuum arc devices utilizing symmetrical coaxial electrode structures |
| US3746811A (en) * | 1969-09-03 | 1973-07-17 | Hitachi Ltd | Vacuum circuit breaker |
| US3769538A (en) * | 1972-03-20 | 1973-10-30 | Gen Electric | Vacuum arc devices with ferrous electrodes |
-
1973
- 1973-07-30 US US00383684A patent/US3851203A/en not_active Expired - Lifetime
-
1974
- 1974-07-29 CA CA205,839A patent/CA1013404A/en not_active Expired
- 1974-07-29 JP JP49086106A patent/JPS5070868A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154087U (ja) * | 1981-03-24 | 1982-09-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1013404A (en) | 1977-07-05 |
| US3851203A (en) | 1974-11-26 |