GB689227A - Improvements in or relating to arc-chutes in electric circuit interrupters - Google Patents
Improvements in or relating to arc-chutes in electric circuit interruptersInfo
- Publication number
- GB689227A GB689227A GB17844/51A GB1784451A GB689227A GB 689227 A GB689227 A GB 689227A GB 17844/51 A GB17844/51 A GB 17844/51A GB 1784451 A GB1784451 A GB 1784451A GB 689227 A GB689227 A GB 689227A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- plates
- chute
- apertures
- passage
- 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
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Multiple-Way Valves (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
689,227. Arc-rupturing in switches. ALLIS-CHALMERS MANUFACTURING CO. July 27, 1951 [Sept. 20, 1950], No. 17844/51. Class 38(v) A switch has an arc chute 15 with a plurality of spaced insulating plates 27 ... 29, the plates being slotted at 26 to form an arc passage and some of the plates having a plurality of irregularly spaced apertures to provide auxiliary arc passages to assist in extinguishing the arc. The apertures in each apertured plate 27, 28 are placed alternately on either side of the axis of symmetry of the slot and converge to a point, so that when the arc leaves the slotted arc passage 26 its length is first increased and then progressively reduced as the arc moves up through the chute. The plates 28 are mirror images of the plates 27 so that the arc sections passing through the apertures follow a zig-zag path, and the plates 29 have no apertures but a longer slot 26. The arc-chute 15 contains groups of plates, indicated at 1 ... 4, Fig. 1, and each group may contain the plates 27 ... 29 arranged in the sequence shown in Fig. 9, though other sequences are shown and described. The groups of plates may be mounted so as to leave an exhaust passage 30 extending through the chute and the individual plates held in spaced relationship by separators (not shown) of asbestos rope packing coated with cement to protect it from the arc and to unite the plates into stacks.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US185722A US2652469A (en) | 1950-09-20 | 1950-09-20 | Arc chute with slotted and perforated barrier plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB689227A true GB689227A (en) | 1953-03-25 |
Family
ID=22682207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17844/51A Expired GB689227A (en) | 1950-09-20 | 1951-07-27 | Improvements in or relating to arc-chutes in electric circuit interrupters |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2652469A (en) |
| FR (1) | FR1079242A (en) |
| GB (1) | GB689227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1058599B (en) * | 1951-02-03 | 1959-06-04 | Allis Chalmers Mfg Co | Electrical circuit breaker |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE546847A (en) * | 1955-04-07 | |||
| BE562665A (en) * | 1956-11-26 | |||
| US5504292A (en) * | 1994-01-13 | 1996-04-02 | Square D Company | Arc stack for a circuit breaker |
| US5498847A (en) * | 1994-01-13 | 1996-03-12 | Square D Company | Arc stack for a circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE403068C (en) * | 1923-05-15 | 1924-09-26 | Bbc Brown Boveri & Cie | Spark chamber for electrical air switches |
| FR797227A (en) * | 1935-01-26 | 1936-04-23 | Telemecanique Electrique | Improvements made to electrical circuit breaking devices |
| US2244061A (en) * | 1940-07-31 | 1941-06-03 | Ite Circuit Breaker Ltd | Arc quencher |
| US2276859A (en) * | 1940-10-29 | 1942-03-17 | Westinghouse Electric & Mfg Co | Circuit interrupter |
-
1950
- 1950-09-20 US US185722A patent/US2652469A/en not_active Expired - Lifetime
-
1951
- 1951-07-27 GB GB17844/51A patent/GB689227A/en not_active Expired
-
1953
- 1953-04-28 FR FR1079242D patent/FR1079242A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1058599B (en) * | 1951-02-03 | 1959-06-04 | Allis Chalmers Mfg Co | Electrical circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1079242A (en) | 1954-11-26 |
| US2652469A (en) | 1953-09-15 |
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