EP0822341A3 - Oleopneumatische Betätigungsvorrichtung für elektrische Schalter - Google Patents

Oleopneumatische Betätigungsvorrichtung für elektrische Schalter Download PDF

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Publication number
EP0822341A3
EP0822341A3 EP97111926A EP97111926A EP0822341A3 EP 0822341 A3 EP0822341 A3 EP 0822341A3 EP 97111926 A EP97111926 A EP 97111926A EP 97111926 A EP97111926 A EP 97111926A EP 0822341 A3 EP0822341 A3 EP 0822341A3
Authority
EP
European Patent Office
Prior art keywords
pump
oleo
working fluid
piston
pneumatic device
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.)
Withdrawn
Application number
EP97111926A
Other languages
English (en)
French (fr)
Other versions
EP0822341A2 (de
Inventor
Costante Piazza
Libero Sfrondini.
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.)
ABB Adda SpA
Original Assignee
ABB Adda SpA
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 ABB Adda SpA filed Critical ABB Adda SpA
Publication of EP0822341A2 publication Critical patent/EP0822341A2/de
Publication of EP0822341A3 publication Critical patent/EP0822341A3/de
Withdrawn legal-status Critical Current

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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
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Radiation-Therapy Devices (AREA)
EP97111926A 1996-07-19 1997-07-14 Oleopneumatische Betätigungsvorrichtung für elektrische Schalter Withdrawn EP0822341A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI001507A IT1283462B1 (it) 1996-07-19 1996-07-19 Dispositivo oleopneumatico per il comando di interruttori elettrici
ITMI961507 1996-07-19

Publications (2)

Publication Number Publication Date
EP0822341A2 EP0822341A2 (de) 1998-02-04
EP0822341A3 true EP0822341A3 (de) 1999-04-07

Family

ID=11374620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111926A Withdrawn EP0822341A3 (de) 1996-07-19 1997-07-14 Oleopneumatische Betätigungsvorrichtung für elektrische Schalter

Country Status (2)

Country Link
EP (1) EP0822341A3 (de)
IT (1) IT1283462B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10030937A1 (de) * 2000-06-24 2002-01-03 Bosch Gmbh Robert Hydraulikenergiespeicher mit einem aus Metall bestehenden Faltenbalg
DE102017223290A1 (de) * 2017-12-19 2019-06-19 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Verändern eines Arbeitsfluids in einem Ausdehnungssystem und Ausdehnungssystem

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795932A (en) * 1952-08-19 1957-06-18 S & C Electric Co Hydraulic actuating mechanism for operating electric circuit breakers and the like
DE1141193B (de) * 1961-02-24 1962-12-13 Daimler Benz Ag Regelvorrichtung fuer eine Druckmittelanlage zum Betaetigen von verstellbaren Kraftfahrzeugteilen
US4467157A (en) * 1981-10-12 1984-08-21 Alsthom-Atlantique Pressurized gas circuit breaker including two V-mounted breaker chambers per phase
EP0465377A1 (de) * 1990-06-26 1992-01-08 Schneider Electric Sa Hochspannungsleistungsschalter mit Isoliergas und pneumatischem Steuermechanismus
FR2750246A1 (fr) * 1996-06-20 1997-12-26 Gec Alsthom T & D Sa Procede de surveillance d'un disjoncteur haute tension a circuit hydraulique de commande

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795932A (en) * 1952-08-19 1957-06-18 S & C Electric Co Hydraulic actuating mechanism for operating electric circuit breakers and the like
DE1141193B (de) * 1961-02-24 1962-12-13 Daimler Benz Ag Regelvorrichtung fuer eine Druckmittelanlage zum Betaetigen von verstellbaren Kraftfahrzeugteilen
US4467157A (en) * 1981-10-12 1984-08-21 Alsthom-Atlantique Pressurized gas circuit breaker including two V-mounted breaker chambers per phase
EP0465377A1 (de) * 1990-06-26 1992-01-08 Schneider Electric Sa Hochspannungsleistungsschalter mit Isoliergas und pneumatischem Steuermechanismus
FR2750246A1 (fr) * 1996-06-20 1997-12-26 Gec Alsthom T & D Sa Procede de surveillance d'un disjoncteur haute tension a circuit hydraulique de commande

Also Published As

Publication number Publication date
ITMI961507A0 (de) 1996-07-19
IT1283462B1 (it) 1998-04-21
EP0822341A2 (de) 1998-02-04
ITMI961507A1 (it) 1998-01-19

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