JPS4954865A - - Google Patents
Info
- Publication number
- JPS4954865A JPS4954865A JP48047542A JP4754273A JPS4954865A JP S4954865 A JPS4954865 A JP S4954865A JP 48047542 A JP48047542 A JP 48047542A JP 4754273 A JP4754273 A JP 4754273A JP S4954865 A JPS4954865 A JP S4954865A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Landscapes
- Circuit Breakers (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722220897 DE2220897C3 (de) | 1972-04-25 | Elektrischer Druckgasschalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4954865A true JPS4954865A (show.php) | 1974-05-28 |
| JPS5717333B2 JPS5717333B2 (show.php) | 1982-04-10 |
Family
ID=5843551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4754273A Expired JPS5717333B2 (show.php) | 1972-04-25 | 1973-04-25 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5717333B2 (show.php) |
| IT (1) | IT1045839B (show.php) |
| SE (1) | SE387006B (show.php) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390240A (en) * | 1965-02-26 | 1968-06-25 | Westinghouse Electric Corp | Circuit breaker with piston gas flow and selective synchronous operation |
-
1973
- 1973-04-19 IT IT2315073A patent/IT1045839B/it active
- 1973-04-24 SE SE7305722A patent/SE387006B/xx unknown
- 1973-04-25 JP JP4754273A patent/JPS5717333B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390240A (en) * | 1965-02-26 | 1968-06-25 | Westinghouse Electric Corp | Circuit breaker with piston gas flow and selective synchronous operation |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1045839B (it) | 1980-06-10 |
| JPS5717333B2 (show.php) | 1982-04-10 |
| SE387006B (sv) | 1976-08-23 |