BE641431A - - Google Patents
Info
- Publication number
- BE641431A BE641431A BE641431A BE641431A BE641431A BE 641431 A BE641431 A BE 641431A BE 641431 A BE641431 A BE 641431A BE 641431 A BE641431 A BE 641431A BE 641431 A BE641431 A BE 641431A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
-
- 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
- H01H33/302—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator for fluid insulated switchgear, wherein the insulating fluid is also the working fluid
-
- 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
- H01H33/86—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1492362A CH397040A (de) | 1962-12-20 | 1962-12-20 | Einrichtung bei Druckgasschaltern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE641431A true BE641431A (enExample) | 1964-04-16 |
Family
ID=4404886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE641431A BE641431A (enExample) | 1962-12-20 | 1963-12-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3239636A (enExample) |
| BE (1) | BE641431A (enExample) |
| CH (1) | CH397040A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2115506A5 (enExample) * | 1970-11-23 | 1972-07-07 | Gratzmuller Jean Louis |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2350066A (en) * | 1941-03-31 | 1944-05-30 | Parker Appliance Co | Hydraulic motor |
| DE1099616B (de) * | 1955-01-14 | 1961-02-16 | English Electric Co Ltd | Durch Druckfluessigkeit betaetigter Fluegelantrieb, insbesondere fuer elektrische Schaltgeraete |
| GB794204A (en) * | 1955-04-26 | 1958-04-30 | Vickers Electrical Co Ltd | Improvements relating to electric circuit breakers |
-
1962
- 1962-12-20 CH CH1492362A patent/CH397040A/de unknown
-
1963
- 1963-10-29 US US319745A patent/US3239636A/en not_active Expired - Lifetime
- 1963-12-18 BE BE641431A patent/BE641431A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH397040A (de) | 1965-08-15 |
| US3239636A (en) | 1966-03-08 |