BE378023A - - Google Patents
Info
- Publication number
- BE378023A BE378023A BE378023DA BE378023A BE 378023 A BE378023 A BE 378023A BE 378023D A BE378023D A BE 378023DA BE 378023 A BE378023 A BE 378023A
- 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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/92—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7750/30A GB350529A (en) | 1930-03-10 | 1930-03-10 | Improvements in electrical switches or circuit breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378023A true BE378023A (en:Method) |
Family
ID=9838993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378023D BE378023A (en:Method) | 1930-03-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1936492A (en:Method) |
| BE (1) | BE378023A (en:Method) |
| DE (1) | DE583009C (en:Method) |
| GB (1) | GB350529A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE758604C (de) * | 1939-02-01 | 1953-04-09 | Sachsenwerk Licht Und Kraft A | Leistungsschalter |
| US2419106A (en) * | 1944-01-29 | 1947-04-15 | Westinghouse Electric Corp | Oil circuit breaker |
| US2957063A (en) * | 1958-03-07 | 1960-10-18 | Westinghouse Electric Corp | Pumped-gas circuit interrupter |
| US3751617A (en) * | 1972-06-14 | 1973-08-07 | Gen Electric | Vacuum type circuit breaker |
-
0
- BE BE378023D patent/BE378023A/xx unknown
-
1930
- 1930-03-10 GB GB7750/30A patent/GB350529A/en not_active Expired
- 1930-08-23 DE DE1930583009D patent/DE583009C/de not_active Expired
-
1931
- 1931-03-03 US US519805A patent/US1936492A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE583009C (de) | 1933-08-26 |
| US1936492A (en) | 1933-11-21 |
| GB350529A (en) | 1931-06-10 |