GB509388A - Improvements in and relating to gas blast electric circuit breakers - Google Patents
Improvements in and relating to gas blast electric circuit breakersInfo
- Publication number
- GB509388A GB509388A GB5472/39A GB547239A GB509388A GB 509388 A GB509388 A GB 509388A GB 5472/39 A GB5472/39 A GB 5472/39A GB 547239 A GB547239 A GB 547239A GB 509388 A GB509388 A GB 509388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electric circuit
- circuit breakers
- gas blast
- blast electric
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US191233A US2146656A (en) | 1938-02-18 | 1938-02-18 | Electric circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
GB509388A true GB509388A (en) | 1939-07-14 |
Family
ID=22704657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5472/39A Expired GB509388A (en) | 1938-02-18 | 1939-02-18 | Improvements in and relating to gas blast electric circuit breakers |
Country Status (4)
Country | Link |
---|---|
US (1) | US2146656A (enrdf_load_stackoverflow) |
BE (1) | BE432795A (enrdf_load_stackoverflow) |
DE (1) | DE767751C (enrdf_load_stackoverflow) |
GB (1) | GB509388A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11634057B2 (en) | 2019-03-15 | 2023-04-25 | Volkswagen Aktiengesellschaft | Lower leg support device for a vehicle seat, and vehicle seat |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468422A (en) * | 1945-06-20 | 1949-04-26 | Ite Circuit Breaker Ltd | Arc chute |
DE1057680B (de) * | 1958-03-10 | 1959-05-21 | Licentia Gmbh | Hochspannungsschalter mit selbsterzeugtem Loeschmittel |
US3140374A (en) * | 1962-09-20 | 1964-07-07 | Fred H Cole | Circuit breaker interrupter |
US3178545A (en) * | 1962-11-02 | 1965-04-13 | Gen Electric | Electric circuit interrupter with metal plates for arc division having v-shaped edge directed toward arc-initiation region |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE601563C (de) * | 1930-01-12 | 1934-08-18 | Emil Lange | Schalter mit Loeschung des Lichtbogens durch einen Druckgasstrom |
US1912176A (en) * | 1931-07-13 | 1933-05-30 | Condit Electrical Mfg Corp | Electric switch |
US2146685A (en) * | 1935-12-24 | 1939-02-07 | Gen Electric | Electric circuit interrupter |
-
0
- BE BE432795D patent/BE432795A/xx unknown
-
1938
- 1938-02-18 US US191233A patent/US2146656A/en not_active Expired - Lifetime
- 1938-10-09 DE DEL95802D patent/DE767751C/de not_active Expired
-
1939
- 1939-02-18 GB GB5472/39A patent/GB509388A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11634057B2 (en) | 2019-03-15 | 2023-04-25 | Volkswagen Aktiengesellschaft | Lower leg support device for a vehicle seat, and vehicle seat |
Also Published As
Publication number | Publication date |
---|---|
DE767751C (de) | 1953-04-27 |
BE432795A (enrdf_load_stackoverflow) | |
US2146656A (en) | 1939-02-07 |
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