FR709845A - Switch refinements - Google Patents
Switch refinementsInfo
- Publication number
- FR709845A FR709845A FR709845DA FR709845A FR 709845 A FR709845 A FR 709845A FR 709845D A FR709845D A FR 709845DA FR 709845 A FR709845 A FR 709845A
- Authority
- FR
- France
- Prior art keywords
- refinements
- switch
- switch refinements
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US423660A US2084979A (en) | 1930-01-27 | 1930-01-27 | Circuit interrupter |
US142360A US2103121A (en) | 1930-01-27 | 1937-05-13 | Circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR709845A true FR709845A (en) | 1931-08-13 |
Family
ID=26840028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR709845D Expired FR709845A (en) | 1930-01-27 | 1931-01-21 | Switch refinements |
Country Status (4)
Country | Link |
---|---|
US (1) | US2103121A (en) |
AT (1) | AT127294B (en) |
FR (1) | FR709845A (en) |
GB (1) | GB370980A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755347C (en) * | 1934-09-15 | 1953-11-23 | Aeg | Electrical switches, in particular power circuit breakers |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE905997C (en) * | 1935-02-23 | 1954-03-08 | Frida Strauss Geb Ruppel | Gas switch |
DE941439C (en) * | 1935-07-03 | 1956-04-12 | Frida Strauss Geb Ruppel | Electrical switch with conductive switching fluid |
DE767713C (en) * | 1938-02-05 | 1953-04-09 | Aeg | Electric gas switch |
US2443260A (en) * | 1940-05-07 | 1948-06-15 | Detroit Edison Co | Circuit breaker |
US2439952A (en) * | 1944-08-31 | 1948-04-20 | Westinghouse Electric Corp | Circuit interrupter |
US2840668A (en) * | 1956-02-24 | 1958-06-24 | Joslyn Mfg & Supply Co | Fuse assembly for cutouts |
US3082308A (en) * | 1957-12-06 | 1963-03-19 | Westinghouse Electric Corp | Circuit interrupter |
US3274365A (en) * | 1963-08-16 | 1966-09-20 | Gen Electric | Gas blast circuit breaker of the axial blast type with magnetic means for rotating an arc terminal |
CH574673A5 (en) * | 1974-08-20 | 1976-04-15 | Bbc Brown Boveri & Cie | |
DE3141324C2 (en) * | 1981-10-17 | 1986-02-06 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Circuit breaker |
-
1930
- 1930-12-04 AT AT127294D patent/AT127294B/en active
-
1931
- 1931-01-13 GB GB1133/31A patent/GB370980A/en not_active Expired
- 1931-01-21 FR FR709845D patent/FR709845A/en not_active Expired
-
1937
- 1937-05-13 US US142360A patent/US2103121A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755347C (en) * | 1934-09-15 | 1953-11-23 | Aeg | Electrical switches, in particular power circuit breakers |
Also Published As
Publication number | Publication date |
---|---|
US2103121A (en) | 1937-12-21 |
GB370980A (en) | 1932-04-13 |
AT127294B (en) | 1932-03-10 |
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