FR1378068A - Improvement in hydraulic control devices, in particular for electrical switches - Google Patents
Improvement in hydraulic control devices, in particular for electrical switchesInfo
- Publication number
- FR1378068A FR1378068A FR942582A FR942582A FR1378068A FR 1378068 A FR1378068 A FR 1378068A FR 942582 A FR942582 A FR 942582A FR 942582 A FR942582 A FR 942582A FR 1378068 A FR1378068 A FR 1378068A
- Authority
- FR
- France
- Prior art keywords
- improvement
- control devices
- hydraulic control
- electrical switches
- switches
- Prior art date
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
-
- 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
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
-
- 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
- H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR942582A FR1378068A (en) | 1963-07-24 | 1963-07-24 | Improvement in hydraulic control devices, in particular for electrical switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR942582A FR1378068A (en) | 1963-07-24 | 1963-07-24 | Improvement in hydraulic control devices, in particular for electrical switches |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1378068A true FR1378068A (en) | 1964-11-13 |
Family
ID=8809101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR942582A Expired FR1378068A (en) | 1963-07-24 | 1963-07-24 | Improvement in hydraulic control devices, in particular for electrical switches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1378068A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284482A1 (en) * | 1987-03-25 | 1988-09-28 | Claude Alain Gratzmuller | Differential hydraulic jack for operating electric breakers |
-
1963
- 1963-07-24 FR FR942582A patent/FR1378068A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284482A1 (en) * | 1987-03-25 | 1988-09-28 | Claude Alain Gratzmuller | Differential hydraulic jack for operating electric breakers |
FR2613122A1 (en) * | 1987-03-25 | 1988-09-30 | Gratzmuller Claude | DIFFERENTIAL HYDRAULIC CYLINDER FOR CONTROLLING ELECTRIC CIRCUIT BREAKERS |
JP2593909B2 (en) | 1987-03-25 | 1997-03-26 | アラン グラッツミューラー クロード | Hydraulic differential jack for electric circuit breaker control |
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