BE471740A - - Google Patents
Info
- Publication number
- BE471740A BE471740A BE471740DA BE471740A BE 471740 A BE471740 A BE 471740A BE 471740D A BE471740D A BE 471740DA BE 471740 A BE471740 A BE 471740A
- Authority
- BE
- Belgium
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
- H01H33/80—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE52540D DE738527C (de) | 1939-05-12 | 1939-05-12 | Elektrischer Schalter mit Lichtbogenloeschung durch ein gasfoermiges Loeschmittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471740A true BE471740A (enrdf_load_stackoverflow) |
Family
ID=7081602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471740D BE471740A (enrdf_load_stackoverflow) | 1939-05-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2494661A (enrdf_load_stackoverflow) |
| BE (1) | BE471740A (enrdf_load_stackoverflow) |
| DE (1) | DE738527C (enrdf_load_stackoverflow) |
| FR (1) | FR859295A (enrdf_load_stackoverflow) |
| GB (1) | GB615031A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE471740A (enrdf_load_stackoverflow) * | 1939-05-12 | |||
| US3350529A (en) * | 1964-03-12 | 1967-10-31 | Asea Ab | Air blast circuit breaker with auxiliary enclosed housing |
| US3579258A (en) * | 1968-09-23 | 1971-05-18 | Gen Electric | Gas blast circuit breaker using a generally axial flow main blast |
| US3909571A (en) * | 1973-09-19 | 1975-09-30 | Ite Imperial Corp | Contact structure for high voltage gas blast circuit interrupter |
| US3889084A (en) * | 1973-09-19 | 1975-06-10 | I T E Corp | Contact for high voltage gas blast circuit breaker with time-delayed opening |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE21125E (en) * | 1939-06-20 | Switch | ||
| US716475A (en) * | 1901-04-03 | 1902-12-23 | Gen Electric | Extinguishing electric arcs. |
| US1937482A (en) * | 1928-09-18 | 1933-11-28 | Ruppel Sigwart | Compressed gas switch |
| GB398213A (en) * | 1932-03-01 | 1933-09-01 | Willis Bevan Whitney | Improvements in or relating to circuit breakers |
| DE687791C (de) * | 1932-06-04 | 1940-02-06 | Const Electr De Delle Sa Atel | Elektrischer Schalter mit Lichtbogenloeschung durch stroemendes Druckgas |
| BE471740A (enrdf_load_stackoverflow) * | 1939-05-12 | |||
| GB549595A (en) * | 1941-09-18 | 1942-11-27 | British Thomson Houston Co Ltd | Improvements in gas blast electric circuit breakers |
-
0
- BE BE471740D patent/BE471740A/xx unknown
-
1939
- 1939-05-05 FR FR859295D patent/FR859295A/fr not_active Expired
- 1939-05-12 DE DEE52540D patent/DE738527C/de not_active Expired
-
1946
- 1946-08-16 GB GB24388/46A patent/GB615031A/en not_active Expired
-
1947
- 1947-01-23 US US723724A patent/US2494661A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE738527C (de) | 1943-08-19 |
| FR859295A (fr) | 1940-12-14 |
| US2494661A (en) | 1950-01-17 |
| GB615031A (en) | 1948-12-31 |