BE471742A - - Google Patents

Info

Publication number: BE471742A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1944-02-24

Publication of BE471742A publication Critical patent/BE471742A/xx

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

BE471742D 1944-02-24 BE471742A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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
1947
- 1947-01-23 US US723727A patent/US2573797A/en not_active Expired - Lifetime
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

Publication	Publication Date	Title
BE455763A (fr)	1944-06-30
FR956809A (fr)	1950-02-08
FR890304A (fr)	1944-02-04
BE457964A (fr)
BE457760A (fr)
BE457909A (fr)
BE457712A (fr)	1944-11-30
BE457898A (fr)	1945-01-31
BE257259A (fr)
BE457872A (fr)
BE457866A (fr)
BE270897A (fr)
BE432945A (fr)
BE457840A (fr)	1944-12-30
BE447901A (fr)
BE452613A (fr)
BE453905A (fr)
BE457911A (fr)
BE454099A (fr)
BE457827A (fr)	1944-12-30
BE454340A (fr)
BE457496A (fr)
BE454925A (fr)
BE455122A (fr)
BE457918A (fr)