ZA737969B - A vacuum circuit interruptor including a gettering device - Google Patents
A vacuum circuit interruptor including a gettering deviceInfo
- Publication number
- ZA737969B ZA737969B ZA737969A ZA737969A ZA737969B ZA 737969 B ZA737969 B ZA 737969B ZA 737969 A ZA737969 A ZA 737969A ZA 737969 A ZA737969 A ZA 737969A ZA 737969 B ZA737969 B ZA 737969B
- Authority
- ZA
- South Africa
- Prior art keywords
- vacuum circuit
- gettering device
- circuit interruptor
- interruptor including
- gettering
- Prior art date
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
-
- 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
-
- 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
- H01H33/668—Means for obtaining or monitoring the vacuum
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL727214103A NL149629B (nl) | 1972-10-18 | 1972-10-18 | Vacuuemschakelaar met vangstofelement. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA737969B true ZA737969B (en) | 1974-10-30 |
Family
ID=19817178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA737969A ZA737969B (en) | 1972-10-18 | 1973-10-12 | A vacuum circuit interruptor including a gettering device |
Country Status (5)
| Country | Link |
|---|---|
| DK (1) | DK131917C (it) |
| ES (1) | ES419714A1 (it) |
| IT (1) | IT996847B (it) |
| SE (1) | SE386539B (it) |
| ZA (1) | ZA737969B (it) |
-
1973
- 1973-10-12 DK DK556473A patent/DK131917C/da active
- 1973-10-12 ZA ZA737969A patent/ZA737969B/xx unknown
- 1973-10-17 SE SE7314123*A patent/SE386539B/xx unknown
- 1973-10-17 IT IT7370072A patent/IT996847B/it active
- 1973-10-17 ES ES419714A patent/ES419714A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7314123L (it) | 1974-04-19 |
| SE386539B (sv) | 1976-08-09 |
| DK131917B (da) | 1975-09-22 |
| ES419714A1 (es) | 1976-03-01 |
| IT996847B (it) | 1975-12-10 |
| DK131917C (da) | 1976-02-23 |
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