JPS4976077A - - Google Patents
Info
- Publication number
- JPS4976077A JPS4976077A JP47118017A JP11801772A JPS4976077A JP S4976077 A JPS4976077 A JP S4976077A JP 47118017 A JP47118017 A JP 47118017A JP 11801772 A JP11801772 A JP 11801772A JP S4976077 A JPS4976077 A JP S4976077A
- 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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Landscapes
- Circuit Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11801772A JPS5517448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-27 | 1972-11-27 | |
| US415328A US3908106A (en) | 1972-11-27 | 1973-11-13 | Valve and piston operative means for a circuit breaker |
| SE7315968A SE389759B (sv) | 1972-11-27 | 1973-11-26 | Strombrytarmanovreringsanordning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11801772A JPS5517448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-27 | 1972-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4976077A true JPS4976077A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-23 |
| JPS5517448B2 JPS5517448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-12 |
Family
ID=14725985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11801772A Expired JPS5517448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-27 | 1972-11-27 |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549778A (en) * | 1977-06-24 | 1979-01-24 | Hitachi Ltd | Fluid control device for circuit breaker |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51150074A (en) * | 1975-06-18 | 1976-12-23 | Hitachi Ltd | Fluid actuating valve unit |
| US4387280A (en) * | 1978-05-29 | 1983-06-07 | General Electric Company | High speed hydraulically-actuated operating system for an electric circuit breaker |
| US4384182A (en) * | 1980-05-29 | 1983-05-17 | General Electric Company | Hydraulic actuator for an electric circuit breaker |
| ITBG20060050A1 (it) * | 2006-10-06 | 2008-04-07 | Abb Service S Rl | Interruttore di bassa tensione con poli intercambiabili |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2970193A (en) * | 1957-12-18 | 1961-01-31 | Gratzmuller Jean Louis | Pressure fluid control |
| US2972337A (en) * | 1959-11-30 | 1961-02-21 | Gen Electric | Hydraulically actuated operating mechanism for an electric circuit breaker |
| NL253981A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1960-07-20 | |||
| US3334202A (en) * | 1966-02-11 | 1967-08-01 | Gen Electric | Manually-controlled circuit breaker tripping arrangement |
| US3519022A (en) * | 1968-05-31 | 1970-07-07 | Skinner Precision Ind Inc | Low pressure operator |
| US3674955A (en) * | 1970-12-17 | 1972-07-04 | Allis Chalmers Mfg Co | Circuit breaker with hydraulic operating mechanism for vacuum interrupter |
| US3698682A (en) * | 1971-01-25 | 1972-10-17 | Eugene B Berning | Solenoid actuated valve for anhydrous ammonia flow meters |
-
1972
- 1972-11-27 JP JP11801772A patent/JPS5517448B2/ja not_active Expired
-
1973
- 1973-11-13 US US415328A patent/US3908106A/en not_active Expired - Lifetime
- 1973-11-26 SE SE7315968A patent/SE389759B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549778A (en) * | 1977-06-24 | 1979-01-24 | Hitachi Ltd | Fluid control device for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5517448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-12 |
| SE389759B (sv) | 1976-11-15 |
| US3908106A (en) | 1975-09-23 |