BE471742A - - Google Patents
Info
- Publication number
- BE471742A BE471742A BE471742DA BE471742A BE 471742 A BE471742 A BE 471742A BE 471742D A BE471742D A BE 471742DA BE 471742 A BE471742 A BE 471742A
- 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
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
- H01H33/7046—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR969871X | 1944-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE471742A true BE471742A (fr) |
Family
ID=9502245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE471742D BE471742A (fr) | 1944-02-24 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2573797A (fr) |
BE (1) | BE471742A (fr) |
DE (1) | DE969871C (fr) |
FR (1) | FR906498A (fr) |
GB (1) | GB615059A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE471742A (fr) * | 1944-02-24 | |||
FR991205A (fr) * | 1944-04-13 | 1951-10-03 | Merlin Gerin | Perfectionnements aux dispositifs d'interruption utilisant un interrupteur à gaz comprimé, en série avec un appareil de seconde coupure |
CH410110A (de) * | 1964-07-24 | 1966-03-31 | Bbc Brown Boveri & Cie | Druckgasschalter mit mindestens einer innerhalb eines Hohlisolators befindlichen Schaltstelle |
CH617534A5 (en) * | 1977-06-24 | 1980-05-30 | Inst Cercetari Moderniza | Cut-off chamber for high-voltage electric circuit breaker |
JPS57185146U (fr) * | 1981-05-19 | 1982-11-24 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE606982C (de) * | 1931-02-23 | 1934-12-14 | Erwin Marx Dr Ing | Einrichtung zur einmaligen Lichtbogenloeschung mit Hilfe eines gasfoermigen, stroemenden Loeschmittels und mit Hohlelektroden |
DE665797C (de) * | 1933-05-30 | 1938-10-04 | Siemens Schuckertwerke Akt Ges | Wechselstromschalter mit Lichtbogenloeschung durch ein stroemendes, unter Druck zugefuehrtes Loeschmittel |
DE647141C (de) * | 1933-08-01 | 1937-06-29 | Bbc Brown Boveri & Cie | Elektrischer Schalter |
DE624161C (de) * | 1933-12-23 | 1936-01-14 | Siemens Schuckertwerke Akt Ges | Einrichtung zum Loeschen von Wechselstromlichtboegen in Schaltern und aehnlichen Unterbrechungsvorrichtungen |
DE660740C (de) * | 1933-12-31 | 1938-06-11 | Siemens Schuckertwerke Akt Ges | Lichtbogenloescheinrichtung |
US2134506A (en) * | 1934-06-12 | 1938-10-25 | Gen Electric | Electric circuit interrupter |
GB463619A (en) * | 1934-06-29 | 1937-03-30 | Erwin Marx | Improvements in electric switches with compressed-gas blow-out |
FR793127A (fr) * | 1934-08-31 | 1935-01-15 | ||
DE680030C (de) * | 1936-12-12 | 1939-08-19 | Bbc Brown Boveri & Cie | Druckgasschalter mit Mehrfachunterbrechung |
US2359800A (en) * | 1940-12-11 | 1944-10-10 | Ite Circuit Breaker Ltd | Fluid blast circuit breaker |
US2333598A (en) * | 1941-01-09 | 1943-11-02 | Westinghouse Electric & Mfg Co | Circuit interrupter |
DE735702C (de) * | 1941-04-29 | 1943-05-24 | Aeg | Elektrischer Stromunterbrecher mit Lichtbogenloeschung durch einen Loeschgasstrom |
BE471742A (fr) * | 1944-02-24 | |||
GB575887A (en) * | 1944-04-22 | 1946-03-08 | Ferguson Pailin Ltd | Improvements in gas blast high voltage electric circuit breakers |
US2452221A (en) * | 1945-08-27 | 1948-10-26 | Pacific Electric Mfg Corp | Fluid blast arc extinguishing circuit breaker |
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0
- BE BE471742D patent/BE471742A/xx unknown
-
1944
- 1944-02-24 FR FR906498D patent/FR906498A/fr not_active Expired
-
1946
- 1946-08-21 GB GB24923/46A patent/GB615059A/en not_active Expired
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1947
- 1947-01-23 US US723727A patent/US2573797A/en not_active Expired - Lifetime
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1950
- 1950-06-23 DE DEM4513A patent/DE969871C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE969871C (de) | 1958-07-24 |
GB615059A (en) | 1948-12-31 |
US2573797A (en) | 1951-11-06 |
FR906498A (fr) | 1946-01-08 |