GB686207A - Improvements in or relating to high-voltage electric circuit-interrupters - Google Patents
Improvements in or relating to high-voltage electric circuit-interruptersInfo
- Publication number
- GB686207A GB686207A GB2906550A GB2906550A GB686207A GB 686207 A GB686207 A GB 686207A GB 2906550 A GB2906550 A GB 2906550A GB 2906550 A GB2906550 A GB 2906550A GB 686207 A GB686207 A GB 686207A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- contacts
- chamber
- arc
- gas
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
- H01H33/77—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor wherein the break is in air at atmospheric pressure
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
Abstract
686,207. Gas-blast circuit-interrupters. ETABLISSEMENTS MERLIN & GERIN. Nov. 28, 1950 No. 29065/50. Class 38 (v) The arcing-chamber of an interrupter is formed by the annular space between a fixed insulating tube 13 and a movable insulating tube 7 slidable on the contact rod 1, both tubes preferably being formed from gas-evolving material. To open the contacts, the tube 7 is moved upwards by a crank 8 so as to lift contacts 2 from the rod 1, and the arc formed is forced along the latter into the tube 13 by continued movement of the tube 7, the gases produced exhausting through an outlet 27 and the upper end of tube 13, and cooling devices being fitted if desired. The arc is preferably extinguished as the tube 7 reaches a stop 11, continued movement of the tube moving the contact 1 upwards so as to separate from contacts 4 to produce an isolating break. In a modification Fig. 4 (not shown), part of the arc is shunted by a resistance connected between contacts 2 and an annular auxiliary electrode let into the tube 13 between its ends. In a further modification Fig. 5 (not shown) the auxiliary electrode has outlets opening into a cooling device formed of metal rings, all of which are connected to the resistance. The contact rod may have an insulating extension 23 (Fig. 6) also of gas-evolving material, so that a second arcing-chamber co-axial with the first is formed, thereby simplifying the extinction of small currents. The resistance 19 is connected to a flame arresting device 24. In a further modification, Fig. 7 (not shown), the tube 13 has an annular orifice opening into a chamber where the gases are deionized prior to flowing back into the tube 13 when the pressure therein drops at current zero.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1017515T | 1950-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB686207A true GB686207A (en) | 1953-01-21 |
Family
ID=40957932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2906550A Expired GB686207A (en) | 1950-03-07 | 1950-11-28 | Improvements in or relating to high-voltage electric circuit-interrupters |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE488027A (en) |
DE (1) | DE822854C (en) |
FR (1) | FR1017515A (en) |
GB (1) | GB686207A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1127989B (en) * | 1958-11-11 | 1962-04-19 | Sachsenwerk Licht & Kraft Ag | Switch disconnector with swiveling disconnector |
DE1154171B (en) * | 1959-03-25 | 1963-09-12 | Siemens Ag | Switch disconnectors |
-
1949
- 1949-03-22 BE BE488027D patent/BE488027A/xx unknown
-
1950
- 1950-03-07 FR FR1017515D patent/FR1017515A/en not_active Expired
- 1950-04-26 DE DE1950M0003012 patent/DE822854C/en not_active Expired
- 1950-11-28 GB GB2906550A patent/GB686207A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1017515A (en) | 1952-12-11 |
BE488027A (en) | 1949-04-15 |
DE822854C (en) | 1951-11-29 |
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