FR2215689B1 - - Google Patents
Info
- Publication number
- FR2215689B1 FR2215689B1 FR7345135A FR7345135A FR2215689B1 FR 2215689 B1 FR2215689 B1 FR 2215689B1 FR 7345135 A FR7345135 A FR 7345135A FR 7345135 A FR7345135 A FR 7345135A FR 2215689 B1 FR2215689 B1 FR 2215689B1
- 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
- H01H33/02—Details
- H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the ac cycle
-
- 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
- H01H33/7007—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein the flow is a function of the current being interrupted
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732304904 DE2304904C3 (de) | 1973-01-29 | 1973-01-29 | Anordnung zum asynchronen und synchronen Schalten von elektrischen Wechselströmen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2215689A1 FR2215689A1 (it) | 1974-08-23 |
FR2215689B1 true FR2215689B1 (it) | 1976-11-19 |
Family
ID=5870638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7345135A Expired FR2215689B1 (it) | 1973-01-29 | 1973-12-17 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS49105171A (it) |
CH (1) | CH559424A5 (it) |
DE (1) | DE2304904C3 (it) |
FR (1) | FR2215689B1 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3987262A (en) * | 1975-05-12 | 1976-10-19 | Westinghouse Electric Corporation | Puffer-type gas-blast circuit-interrupter having variable-area stationary composite piston structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1204303B (de) * | 1963-08-30 | 1965-11-04 | Siemens Ag | Leistungsschalter |
US3281733A (en) * | 1964-10-13 | 1966-10-25 | Ite Circuit Breaker Ltd | Synchronous circuit breaker having a movable winding |
DE1250527B (it) * | 1965-10-13 | 1967-09-21 |
-
1973
- 1973-01-29 DE DE19732304904 patent/DE2304904C3/de not_active Expired
- 1973-12-17 FR FR7345135A patent/FR2215689B1/fr not_active Expired
-
1974
- 1974-01-22 JP JP966174A patent/JPS49105171A/ja active Pending
- 1974-01-29 CH CH114674A patent/CH559424A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2304904C3 (de) | 1975-08-28 |
DE2304904A1 (de) | 1974-08-08 |
FR2215689A1 (it) | 1974-08-23 |
JPS49105171A (it) | 1974-10-04 |
DE2304904B2 (de) | 1975-01-23 |
CH559424A5 (it) | 1975-02-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |