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
- 238000005247 gettering Methods 0.000 title 1
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 (xx) |
ES (1) | ES419714A1 (xx) |
IT (1) | IT996847B (xx) |
SE (1) | SE386539B (xx) |
ZA (1) | ZA737969B (xx) |
-
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 |
---|---|
IT996847B (it) | 1975-12-10 |
DK131917B (da) | 1975-09-22 |
SE7314123L (xx) | 1974-04-19 |
ES419714A1 (es) | 1976-03-01 |
DK131917C (da) | 1976-02-23 |
SE386539B (sv) | 1976-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1444986A (en) | Circuit arrangement including a capacitive detector | |
AU5527773A (en) | Rol circuit | |
GB1343785A (en) | Vacuum circuit breakers | |
AR193372A1 (es) | Interruptor de circuitos operado a motor | |
BR7308562D0 (pt) | Um interruptor de circuitos | |
HK16877A (en) | Integrated circuit arrangement | |
CA973618A (en) | Non-reciprocating circuit device using a circulator | |
AU469944B2 (en) | Multi-pole vacuum switching device | |
AU6397973A (en) | Circuit | |
ZA738266B (en) | Vacuum circuit interrupter with a plurality of interrupting units | |
ZA739345B (en) | Circuit interrupter protective device | |
ZA74382B (en) | A vacuum circuit interrupter | |
AU465944B2 (en) | A vacuum circuit interruptor including a gettering device | |
ZA737668B (en) | Vacuum circuit interruptor | |
ZA737969B (en) | A vacuum circuit interruptor including a gettering device | |
CA942807A (en) | Switching device for a random selection circuit | |
GB1405045A (en) | Gettering devices | |
BR7301676D0 (pt) | Um interruptor de circuito multipolar | |
AU5836473A (en) | Capacitance multiplying circuit | |
ZA738279B (en) | A compound separation device | |
GB1345693A (en) | Vacuum circuit breaker | |
AU6130773A (en) | Equal probability selection circuit | |
CA895515A (en) | Circuit interrupting device | |
AU5565873A (en) | Circuit arrangement circuit arrangement | |
IE37456B1 (en) | Interrupter circuit |