GB782498A - Improvements in or relating to electric circuit interrupter - Google Patents
Improvements in or relating to electric circuit interrupterInfo
- Publication number
- GB782498A GB782498A GB779756A GB779756A GB782498A GB 782498 A GB782498 A GB 782498A GB 779756 A GB779756 A GB 779756A GB 779756 A GB779756 A GB 779756A GB 782498 A GB782498 A GB 782498A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- plates
- flanges
- shoot
- converge
- 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
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
782,498. Arc-rupturing in switches. ALLISCHALMERS MANUFACTURING CO. Jan. 24, 1955, No. 7797/56. Divided out of 782,497. Class 38 (5). In a circuit-breaker having an arc chute with spaced insulating barrier plates 46, arc constricting members are provided in the spaces between adjacent barrier plates. The members may be formed as integral projections 56 on the surfaces of the barrier plates and provide constricted arc passages 61 between the plates which extend as fins from the side walls 44, 45 of the shoot. The projections 56 may converge from adjacent the arc receiving end 58 of the arc shoot to lines 60 and then extend parallel to the surfaces of the plates to flanges 62. As an arc rises in the arc shoot it is folded in a horizontal plane around the free edges of the plates and then constricted in the passages 61 between the plates. In addition, the arc may be folded in vertical planes around the flanges 62. Various modifications are shown in which the projections converge to the flanges, Fig. 5 (not shown), converge to the flanges and then diverge towards the exhaust end of the arc shoot, Figs, 8 to 11 (not shown), and are arranged as tongues which provide small traps for the arc products, Figs. 18, 19 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB210155A GB782497A (en) | 1955-01-24 | 1955-01-24 | Improvements in or relating to electric circuit interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB782498A true GB782498A (en) | 1957-09-11 |
Family
ID=9733622
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB779756A Expired GB782498A (en) | 1955-01-24 | 1955-01-24 | Improvements in or relating to electric circuit interrupter |
| GB210155A Expired GB782497A (en) | 1951-12-04 | 1955-01-24 | Improvements in or relating to electric circuit interrupter |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB210155A Expired GB782497A (en) | 1951-12-04 | 1955-01-24 | Improvements in or relating to electric circuit interrupter |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB782498A (en) |
-
1955
- 1955-01-24 GB GB779756A patent/GB782498A/en not_active Expired
- 1955-01-24 GB GB210155A patent/GB782497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB782497A (en) | 1957-09-11 |
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