FR845835A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR845835A FR845835A FR845835DA FR845835A FR 845835 A FR845835 A FR 845835A FR 845835D A FR845835D A FR 845835DA FR 845835 A FR845835 A FR 845835A
- 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
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
- H01H85/42—Means for extinguishing or suppressing arc using an arc-extinguishing gas
-
- 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 |
---|---|---|---|
US174194A US2184760A (en) | 1937-11-12 | 1937-11-12 | Circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR845835A true FR845835A (en) | 1939-09-04 |
Family
ID=22635214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845835D Expired FR845835A (en) | 1937-11-12 | 1938-11-08 | Improvements to electrical switches |
Country Status (3)
Country | Link |
---|---|
US (1) | US2184760A (en) |
DE (1) | DE759476C (en) |
FR (1) | FR845835A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3178537A (en) * | 1965-04-13 | Circuit interrupter having improved condenser for cooling the products of arcing | ||
DE1154171B (en) * | 1959-03-25 | 1963-09-12 | Siemens Ag | Switch disconnectors |
US3588606A (en) * | 1968-10-01 | 1971-06-28 | Westinghouse Electric Corp | Electrical inductive apparatus |
US3575683A (en) * | 1969-09-15 | 1971-04-20 | S & C Electric Co | Plug-in expulsion fuse with seal between exhaust terminal and stationary contact sleeve |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE644970C (en) * | 1931-10-19 | 1937-05-19 | Const Electr De Delle Sa Atel | Outlet device for the gases from pressurized gas switches |
DE629585C (en) * | 1933-11-11 | 1936-05-07 | Aeg | Compressed gas switch with silencer |
DE640244C (en) * | 1934-05-08 | 1936-12-28 | Const Electr De Delle Sa Atel | Fuse, especially for high breaking capacity |
-
1937
- 1937-11-12 US US174194A patent/US2184760A/en not_active Expired - Lifetime
-
1938
- 1938-11-08 FR FR845835D patent/FR845835A/en not_active Expired
- 1938-11-13 DE DES134590D patent/DE759476C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE759476C (en) | 1953-03-09 |
US2184760A (en) | 1939-12-26 |
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