GB745755A - Improvements in or relating to air-break electric switches or circuit breakers - Google Patents
Improvements in or relating to air-break electric switches or circuit breakersInfo
- Publication number
- GB745755A GB745755A GB2052153A GB2052153A GB745755A GB 745755 A GB745755 A GB 745755A GB 2052153 A GB2052153 A GB 2052153A GB 2052153 A GB2052153 A GB 2052153A GB 745755 A GB745755 A GB 745755A
- Authority
- GB
- United Kingdom
- Prior art keywords
- runner
- arc
- assembly
- air
- chute
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
Abstract
745,755. Arc-rupturing in switches. FERGUSON PAILIN, Ltd. June 25, 1954 [July 23, 1953]; No. 20521/53. Class 38(5) In an arc-chute, for an air-break interrupter, of the type in which the root of the arc moves along an inclined runner to a quenching device, the runner, or each of two diverging runners 1, 2, comprises an elongated conductive member which is narrower, at least over the inclined portion, than the space between the side walls of the chute and is supported, as by pins 9, 10, extending from side wall 5, so as to cause a minimum obstruction to air flow from the rear of the runner through the space between the runner and the side walls and a cooling device 19, comprising a number of plates of good head conductivity, is arranged at the rear of each runner to cool and de-ionize any gases forced to the rear of the runner. A fixed contact assembly 6 is supported adjacent to and below the lower end of runner 1 by a mounting structure 7 which has a minimum cross-sectional area in the horizontal plane. The runner 2 is arranged so that when an arc is drawn between the fixed and moving contact assemblies 6, 11, the root of the are at the latter will transfer to the runner 2. The assembly 11 may comprise main and arcing contacts 12, 13 which co-operate with main and arcing contact portions on assembly 6, and may also include an arctransferring portion 16. The arc-quenching device 17 comprises a number of spaced, preferably metallic plates 18.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2052153A GB745755A (en) | 1953-07-23 | 1953-07-23 | Improvements in or relating to air-break electric switches or circuit breakers |
FR1110825D FR1110825A (en) | 1953-07-23 | 1954-07-20 | Improvements to electrical switches and circuit breakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2052153A GB745755A (en) | 1953-07-23 | 1953-07-23 | Improvements in or relating to air-break electric switches or circuit breakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB745755A true GB745755A (en) | 1956-02-29 |
Family
ID=10147241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2052153A Expired GB745755A (en) | 1953-07-23 | 1953-07-23 | Improvements in or relating to air-break electric switches or circuit breakers |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1110825A (en) |
GB (1) | GB745755A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2204866A2 (en) * | 1972-10-31 | 1974-05-24 | Merlin Gerin | |
FR2422242A1 (en) * | 1978-04-07 | 1979-11-02 | Telemecanique Electrique | BLOW CHAMBER FOR ELECTRICAL CURRENT LIMITER |
FR2517465A1 (en) * | 1981-11-27 | 1983-06-03 | Merlin Gerin | MINIATURE CIRCUIT BREAKER WITH TWO ADJUSTED SWITCHING CHAMBERS |
EP0176870A2 (en) * | 1984-09-28 | 1986-04-09 | Westinghouse Electric Corporation | Circuit breaker with an improved internal gas expansion and venting system |
-
1953
- 1953-07-23 GB GB2052153A patent/GB745755A/en not_active Expired
-
1954
- 1954-07-20 FR FR1110825D patent/FR1110825A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2204866A2 (en) * | 1972-10-31 | 1974-05-24 | Merlin Gerin | |
FR2422242A1 (en) * | 1978-04-07 | 1979-11-02 | Telemecanique Electrique | BLOW CHAMBER FOR ELECTRICAL CURRENT LIMITER |
FR2517465A1 (en) * | 1981-11-27 | 1983-06-03 | Merlin Gerin | MINIATURE CIRCUIT BREAKER WITH TWO ADJUSTED SWITCHING CHAMBERS |
EP0080924A1 (en) * | 1981-11-27 | 1983-06-08 | Merlin Gerin | Miniature circuit breaker with two juxtaposed extinguishing chambers |
EP0176870A2 (en) * | 1984-09-28 | 1986-04-09 | Westinghouse Electric Corporation | Circuit breaker with an improved internal gas expansion and venting system |
EP0176870A3 (en) * | 1984-09-28 | 1987-04-15 | Westinghouse Electric Corporation | Circuit breaker with an improved internal gas expansion and venting system |
Also Published As
Publication number | Publication date |
---|---|
FR1110825A (en) | 1956-02-17 |
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