FR850075A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR850075A FR850075A FR850075DA FR850075A FR 850075 A FR850075 A FR 850075A FR 850075D A FR850075D A FR 850075DA FR 850075 A FR850075 A FR 850075A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- 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
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB482638A GB511364A (en) | 1938-02-16 | 1938-02-16 | Improvements in or relating to a.c. electric circuit-breakers having arc-control devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR850075A true FR850075A (en) | 1939-12-07 |
Family
ID=9784515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR850075D Expired FR850075A (en) | 1938-02-16 | 1939-02-09 | Improvements to electrical switches |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR850075A (en) |
GB (1) | GB511364A (en) |
NL (1) | NL55444C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3071669A (en) * | 1959-01-13 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
US3071670A (en) * | 1959-07-01 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
US3073669A (en) * | 1958-09-06 | 1963-01-15 | Asahi Chemical Ind | Method for producing shaped articles from polymers and copolymers of acrylonitrile |
US3291949A (en) * | 1964-09-18 | 1966-12-13 | Westinghouse Electric Corp | Fluid-blast circuit interrupters having improved arc splitter structure |
US3558836A (en) * | 1968-07-05 | 1971-01-26 | Meidensha Electric Mfg Co Ltd | Circuit breaker |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419106A (en) * | 1944-01-29 | 1947-04-15 | Westinghouse Electric Corp | Oil circuit breaker |
US2479381A (en) * | 1945-04-30 | 1949-08-16 | Westinghouse Electric Corp | Circuit interrupter |
-
0
- NL NL55444D patent/NL55444C/xx active
-
1938
- 1938-02-16 GB GB482638A patent/GB511364A/en not_active Expired
-
1939
- 1939-02-09 FR FR850075D patent/FR850075A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3073669A (en) * | 1958-09-06 | 1963-01-15 | Asahi Chemical Ind | Method for producing shaped articles from polymers and copolymers of acrylonitrile |
US3071669A (en) * | 1959-01-13 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
US3071670A (en) * | 1959-07-01 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
US3291949A (en) * | 1964-09-18 | 1966-12-13 | Westinghouse Electric Corp | Fluid-blast circuit interrupters having improved arc splitter structure |
US3558836A (en) * | 1968-07-05 | 1971-01-26 | Meidensha Electric Mfg Co Ltd | Circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
GB511364A (en) | 1939-08-17 |
NL55444C (en) |
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