FR743637A - - Google Patents
Info
- Publication number
- FR743637A FR743637A FR743637DA FR743637A FR 743637 A FR743637 A FR 743637A FR 743637D A FR743637D A FR 743637DA FR 743637 A FR743637 A FR 743637A
- Authority
- FR
- France
- 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 |
---|---|---|---|
US568554A US2077276A (en) | 1931-10-13 | 1931-10-13 | Circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR743637A true FR743637A (fr) | 1933-04-03 |
Family
ID=24271761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR743637D Expired FR743637A (fr) | 1931-10-13 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2077276A (fr) |
FR (1) | FR743637A (fr) |
GB (1) | GB407354A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755347C (de) * | 1934-09-15 | 1953-11-23 | Aeg | Elektrischer Schalter, insbesondere Leistungsschubtrennschalter |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2440484A (en) * | 1944-03-07 | 1948-04-27 | Ralph R Pittman | Voltage-limiting arc interrupter |
US2504901A (en) * | 1944-03-17 | 1950-04-18 | Westinghouse Electric Corp | Circuit interrupter |
US2429846A (en) * | 1944-03-24 | 1947-10-28 | Gen Electric | Electric circuit interrupter |
US2763749A (en) * | 1951-02-10 | 1956-09-18 | Westinghouse Electric Corp | Automatic reclosing circuit breaker |
US3184829A (en) * | 1961-07-17 | 1965-05-25 | Samuel M Shobert | Method of making arc extinguishing sleeve |
US3401243A (en) * | 1967-08-24 | 1968-09-10 | Westinghouse Electric Corp | Circuit interrupter having dual-bore arc extinguishing means |
-
0
- FR FR743637D patent/FR743637A/fr not_active Expired
-
1931
- 1931-10-13 US US568554A patent/US2077276A/en not_active Expired - Lifetime
-
1932
- 1932-09-15 GB GB25670/32A patent/GB407354A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755347C (de) * | 1934-09-15 | 1953-11-23 | Aeg | Elektrischer Schalter, insbesondere Leistungsschubtrennschalter |
Also Published As
Publication number | Publication date |
---|---|
GB407354A (en) | 1934-03-15 |
US2077276A (en) | 1937-04-13 |