GB492944A - Improvements in and relating to gas blast electric circuit breakers - Google Patents
Improvements in and relating to gas blast electric circuit breakersInfo
- Publication number
- GB492944A GB492944A GB3613237A GB3613237A GB492944A GB 492944 A GB492944 A GB 492944A GB 3613237 A GB3613237 A GB 3613237A GB 3613237 A GB3613237 A GB 3613237A GB 492944 A GB492944 A GB 492944A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gap
- resistance
- gas
- chamber
- spark
- 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.)
- Expired
Links
- 230000008033 biological extinction Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 235000002020 sage Nutrition 0.000 abstract 1
- 230000003584 silencer Effects 0.000 abstract 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0081551 | 1936-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB492944A true GB492944A (en) | 1938-09-29 |
Family
ID=6948354
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3613237A Expired GB492944A (en) | 1936-12-30 | 1937-12-30 | Improvements in and relating to gas blast electric circuit breakers |
| GB1641738A Expired GB509955A (en) | 1936-12-30 | 1938-06-01 | Improvements in and relating to gas-blast electric circuit breakers |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1641738A Expired GB509955A (en) | 1936-12-30 | 1938-06-01 | Improvements in and relating to gas-blast electric circuit breakers |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884854A (en) * | 1957-07-01 | 1961-12-20 | Ass Elect Ind | Improvements in air or gas blast electric circuit-breakers |
-
0
- NL NL49406D patent/NL49406C/xx active
- BE BE425413D patent/BE425413A/xx unknown
-
1937
- 1937-12-27 FR FR831279D patent/FR831279A/fr not_active Expired
- 1937-12-29 CH CH204361D patent/CH204361A/de unknown
- 1937-12-30 GB GB3613237A patent/GB492944A/en not_active Expired
-
1938
- 1938-06-01 GB GB1641738A patent/GB509955A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB509955A (en) | 1939-07-25 |
| CH204361A (de) | 1939-04-30 |
| BE425413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| NL49406C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR831279A (fr) | 1938-08-29 |
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