BE471740A - - Google Patents

Info

Publication number: BE471740A
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.)

1939-05-12

Publication of BE471740A publication Critical patent/BE471740A/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
- H01H33/80—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

BE471740D 1939-05-12 BE471740A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEE52540D DE738527C (en)	1939-05-12	1939-05-12	Electrical switch with arc extinguishing by a gas extinguishing agent

Publications (1)

Publication Number	Publication Date
BE471740A true BE471740A (en)

Family

ID=7081602

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE471740D BE471740A (en)	1939-05-12

Country Status (5)

Country	Link
US (1)	US2494661A (en)
BE (1)	BE471740A (en)
DE (1)	DE738527C (en)
FR (1)	FR859295A (en)
GB (1)	GB615031A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE471740A (en) *	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
US3889084A (en) *	1973-09-19	1975-06-10	I T E Corp	Contact for high voltage gas blast circuit breaker with time-delayed opening
US3909571A (en) *	1973-09-19	1975-09-30	Ite Imperial Corp	Contact structure for high voltage gas blast circuit interrupter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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 (en) *	1932-06-04	1940-02-06	Const Electr De Delle Sa Atel	Electric switch with arc extinguishing by flowing pressurized gas
BE471740A (en) *	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/en not_active Expired
- 1939-05-12 DE DEE52540D patent/DE738527C/en 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 (en)	1943-08-19
FR859295A (en)	1940-12-14
GB615031A (en)	1948-12-31
US2494661A (en)	1950-01-17

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