JPS5072172A - - Google Patents
Info
- Publication number
- JPS5072172A JPS5072172A JP49097124A JP9712474A JPS5072172A JP S5072172 A JPS5072172 A JP S5072172A JP 49097124 A JP49097124 A JP 49097124A JP 9712474 A JP9712474 A JP 9712474A JP S5072172 A JPS5072172 A JP S5072172A
- 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
- H01H33/664—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
-
- 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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00391558A US3839611A (en) | 1973-08-27 | 1973-08-27 | Overlapping-rod type vacuum circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5072172A true JPS5072172A (fr) | 1975-06-14 |
Family
ID=23547084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49097124A Pending JPS5072172A (fr) | 1973-08-27 | 1974-08-26 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3839611A (fr) |
JP (1) | JPS5072172A (fr) |
CA (1) | CA964703A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0558384U (ja) * | 1992-01-27 | 1993-08-03 | マックス株式会社 | 製図板 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1269421A (fr) * | 1959-08-12 | 1961-08-11 | Thomson Houston Comp Francaise | Interrupteur à vide |
US3185798A (en) * | 1962-10-08 | 1965-05-25 | Gen Electric | Electric circuit interrupter of the vacuum type with series-related arcing gaps |
US3200222A (en) * | 1962-10-15 | 1965-08-10 | Jennings Radio Mfg Corp | Electromagnetic high-current-carrying-capacity vacuum relay |
US3509404A (en) * | 1968-07-01 | 1970-04-28 | Gen Electric | Vacuum arc devices with doubly reentrant coaxial arc-electrode structure |
US3575564A (en) * | 1969-09-10 | 1971-04-20 | Allis Chalmers Mfg Co | Vacuum-type electric circuit interrupter |
-
1973
- 1973-08-27 US US00391558A patent/US3839611A/en not_active Expired - Lifetime
-
1974
- 1974-07-22 CA CA205,260A patent/CA964703A/en not_active Expired
- 1974-08-26 JP JP49097124A patent/JPS5072172A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0558384U (ja) * | 1992-01-27 | 1993-08-03 | マックス株式会社 | 製図板 |
Also Published As
Publication number | Publication date |
---|---|
CA964703A (en) | 1975-03-18 |
US3839611A (en) | 1974-10-01 |