BE403914A - - Google Patents
Info
- Publication number
- BE403914A BE403914A BE403914DA BE403914A BE 403914 A BE403914 A BE 403914A BE 403914D A BE403914D A BE 403914DA BE 403914 A BE403914 A BE 403914A
- 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
- H01H33/91—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 air or gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR770388T | 1934-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE403914A true BE403914A (en) | 1934-07-31 |
Family
ID=9683232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE403914D BE403914A (en) | 1934-03-09 | 1934-06-26 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2039838A (en) |
BE (1) | BE403914A (en) |
DE (2) | DE619806C (en) |
FR (1) | FR770388A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE764501C (en) * | 1938-09-21 | 1953-04-27 | Delle Atel Const Electr | Electric switch with arc extinguishing by a flowing extinguishing agent |
FR876972A (en) * | 1941-06-18 | 1942-11-24 | Delle Atel Const Electr | Improvement in self-blowing switches fitted with an electrode constituting a disconnector |
NL72111C (en) * | 1946-05-21 | |||
DE957410C (en) * | 1952-12-03 | 1957-01-31 | Elektro App Bau Brechtel & Har | Single pole load switch |
CH315441A (en) * | 1953-08-01 | 1956-08-15 | Bbc Brown Boveri & Cie | Compression device for generating the pressure of the gas for arc extinguishing on a switch |
DE1166326B (en) * | 1954-12-24 | 1964-03-26 | Westinghouse Electric Corp | Electric switch |
CH334100A (en) * | 1955-09-03 | 1958-11-15 | Bbc Brown Boveri & Cie | Circuit breaker |
DE1132622B (en) * | 1956-03-09 | 1962-07-05 | Frobert Michaelis Dipl Ing | Compressed air switch, preferably circuit breaker or switch disconnector |
US2916568A (en) * | 1957-10-21 | 1959-12-08 | Ite Circuit Breaker Ltd | Contact air cooling system |
US3095490A (en) * | 1960-02-26 | 1963-06-25 | Westinghouse Electric Corp | Circuit interrupters |
DE1255763B (en) * | 1961-03-22 | 1967-12-07 | Licentia Gmbh | Switching device with compressed air blowing of the contact pieces |
AT235384B (en) * | 1961-08-25 | 1964-08-25 | Sprecher & Schuh Ag | Compressed gas switch with current-dependent extinguishing agent flow |
US3189720A (en) * | 1962-03-02 | 1965-06-15 | Wintriss George | Electric control switch with self locking contact |
DE1206056B (en) * | 1963-09-12 | 1965-12-02 | Siemens Ag | Electric switch |
-
1933
- 1933-07-04 DE DEA69933D patent/DE619806C/en not_active Expired
-
1934
- 1934-03-09 FR FR770388D patent/FR770388A/en not_active Expired
- 1934-03-17 DE DEA72774D patent/DE647042C/en not_active Expired
- 1934-06-26 BE BE403914D patent/BE403914A/xx unknown
-
1935
- 1935-02-25 US US8090A patent/US2039838A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE647042C (en) | 1937-06-26 |
FR770388A (en) | 1934-09-12 |
US2039838A (en) | 1936-05-05 |
DE619806C (en) | 1935-10-10 |