FR1034701A - - Google Patents
Info
- Publication number
- FR1034701A FR1034701A FR1034701DA FR1034701A FR 1034701 A FR1034701 A FR 1034701A FR 1034701D A FR1034701D A FR 1034701DA FR 1034701 A FR1034701 A FR 1034701A
- Authority
- FR
- France
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/128—Load break switches comprising a separate circuit breaker being operated by a separate mechanism interlocked with the sectionalising mechanism
-
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
-
- 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
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
- H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
- H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
-
- 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
- H01H33/008—Pedestal mounted switch gear combinations
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB289510X | 1949-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1034701A true FR1034701A (it) | 1953-07-30 |
Family
ID=10283823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1034701D Expired FR1034701A (it) | 1949-12-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2645696A (it) |
| CH (1) | CH289510A (it) |
| FR (1) | FR1034701A (it) |
| GB (1) | GB666834A (it) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2445529A (en) * | 1944-09-19 | 1948-07-20 | Westinghouse Electric Corp | Circuit interrupter |
| FR999210A (it) * | 1945-12-03 | 1952-01-29 | ||
| BE469806A (it) * | 1945-12-18 |
-
0
- FR FR1034701D patent/FR1034701A/fr not_active Expired
-
1949
- 1949-12-21 GB GB32736/49A patent/GB666834A/en not_active Expired
-
1950
- 1950-12-20 CH CH289510D patent/CH289510A/de unknown
- 1950-12-21 US US201961A patent/US2645696A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB666834A (en) | 1952-02-20 |
| US2645696A (en) | 1953-07-14 |
| CH289510A (de) | 1953-03-15 |