FR745721A - - Google Patents
Info
- Publication number
- FR745721A FR745721A FR745721DA FR745721A FR 745721 A FR745721 A FR 745721A FR 745721D A FR745721D A FR 745721DA FR 745721 A FR745721 A FR 745721A
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/58—Silencers for suppressing noise of switch operation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1984396X | 1931-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR745721A true FR745721A (pm) | 1933-05-13 |
Family
ID=7882188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR745721D Expired FR745721A (pm) | 1931-10-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1984396A (pm) |
| BE (1) | BE391540A (pm) |
| FR (1) | FR745721A (pm) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767738C (de) * | 1939-10-11 | 1953-04-16 | Aeg | Elektrischer Leistungsluftschalter mit Lichtbogenkammer |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2486127A (en) * | 1944-06-26 | 1949-10-25 | Gen Electric | Air blast electric circuit breaker |
| US2452953A (en) * | 1945-04-06 | 1948-11-02 | Gen Electric | Circuit interrupting apparatus |
| US2942086A (en) * | 1957-03-06 | 1960-06-21 | Allis Chalmers Mfg Co | Chimney cooler for air circuit breakers |
| US3448231A (en) * | 1966-11-14 | 1969-06-03 | Gen Electric | Electric circuit breaker arc chute with arc discharge filter |
| US3671697A (en) * | 1971-01-07 | 1972-06-20 | S & C Electric Co | Switch construction with load break device having a movable slat, a gas expansion chamber and a gas muffler |
| FR2468987A1 (fr) * | 1979-10-31 | 1981-05-08 | Alsthom Atlantique | Dispositif de refroidissement d'arc electrique pour cheminees d'appareils de coupure |
| DE19858952C1 (de) * | 1998-12-10 | 2000-09-07 | Siemens Ag | Elektrischer Leistungsschalter |
-
0
- FR FR745721D patent/FR745721A/fr not_active Expired
- BE BE391540D patent/BE391540A/xx unknown
-
1932
- 1932-09-01 US US631385A patent/US1984396A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767738C (de) * | 1939-10-11 | 1953-04-16 | Aeg | Elektrischer Leistungsluftschalter mit Lichtbogenkammer |
Also Published As
| Publication number | Publication date |
|---|---|
| BE391540A (pm) | |
| US1984396A (en) | 1934-12-18 |