FR1378068A - Improvement in hydraulic control devices, in particular for electrical switches - Google Patents

Improvement in hydraulic control devices, in particular for electrical switches

Info

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
Application number
FR942582A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR942582A priority Critical patent/FR1378068A/en
Application granted granted Critical
Publication of FR1378068A publication Critical patent/FR1378068A/en
Expired legal-status Critical Current

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)
FR942582A 1963-07-24 1963-07-24 Improvement in hydraulic control devices, in particular for electrical switches Expired FR1378068A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
FR1414512A (en) Improvements to elevator control devices
FR1419217A (en) Improvements to protection devices for electrical circuits
FR1419144A (en) Switching devices
FR1378068A (en) Improvement in hydraulic control devices, in particular for electrical switches
FR1415025A (en) Advanced Semiconductor Switching Devices
FR1370745A (en) Control device for electrical switches
FR1493423A (en) Improvements to vehicle control devices
FR1453794A (en) Improvements to electrical control devices for industrial vehicles
FR1281802A (en) Hydraulic control for electrical switching devices
FR1423882A (en) Hydraulic control for electric circuit breaker
FR1492878A (en) Improvements to hydraulic control devices
FR1415576A (en) Circuit breaker control circuit
FR1406548A (en) Improvement in control switch blocks
FR1301997A (en) Improvements to rotary actuators for electrical contactors
FR1453138A (en) Switching devices for controlling electric motors, in particular for lifting devices
FR1390324A (en) Improvements to step-by-step control devices, in particular for electrical circuit breakers
FR1333930A (en) Advanced training in electrical control devices for electrical switches
CA677326A (en) Electrical control device
FR1415615A (en) Improvement in hydraulic actuator devices for circuit breakers eta. tall.
FR1369545A (en) Multi-position control device, in particular for electrical switches
FR1378251A (en) Improvements to contact devices for electrical switches
CA675491A (en) Switching device
CA661989A (en) Switching device
AU286236B2 (en) Switching device
FR1381111A (en) Switching Device Improvements