GB870401A - Improvements relating to arc chutes - Google Patents
Improvements relating to arc chutesInfo
- Publication number
- GB870401A GB870401A GB3089358A GB3089358A GB870401A GB 870401 A GB870401 A GB 870401A GB 3089358 A GB3089358 A GB 3089358A GB 3089358 A GB3089358 A GB 3089358A GB 870401 A GB870401 A GB 870401A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- leg
- plate
- blow
- slots
- 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
870,401. Arc-rupturing in switches. REYROLLE & CO. Ltd., A. Dec. 22, 1959 [Sept. 26, 1958; March 5, 1959], Nos. 30893/58 and 7760/59. Class 38 (5). In an arc shoot comprising a stack of slotted spaced insulating plates 10 arranged transversely to the direction in which the arc is initially drawn, a portion of one or each of the two legs of each plate which extend on either side of the slot 11 in the plate is thicker than the portion of the plate extending around the closed end of the slot. Figs. 1 and 4 show an arrangement in which one leg 27 of each plate has insulating blocks 30 secured on each side of the leg. The successive plates are alternately disposed so that in the assembled stack only a small gap 35 exists between each block 30 on a leg 27 and the adjacent leg 28. These gaps are too small for downstriking of the arc to occur between adjacent legs but sufficient to prevent tracking occurring along the tunnel formed by the slots 11. The upper part of the slots 11 may diverge as shown in Fig. 1 and the plates 10 may have magnetic inserts 19 to provide a blow-out action. Figs. 5 and 6 (not shown) illustrate an arrangement in which the slots are straight and the blow-out action is provided by a blow-out coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3089358A GB870401A (en) | 1958-09-26 | 1958-09-26 | Improvements relating to arc chutes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3089358A GB870401A (en) | 1958-09-26 | 1958-09-26 | Improvements relating to arc chutes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB870401A true GB870401A (en) | 1961-06-14 |
Family
ID=10314768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3089358A Expired GB870401A (en) | 1958-09-26 | 1958-09-26 | Improvements relating to arc chutes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB870401A (en) |
-
1958
- 1958-09-26 GB GB3089358A patent/GB870401A/en not_active Expired
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