BR7900024A - Sistema de comando hidraulico para disjuntor - Google Patents

Sistema de comando hidraulico para disjuntor

Info

Publication number
BR7900024A
BR7900024A BR7900024A BR7900024A BR7900024A BR 7900024 A BR7900024 A BR 7900024A BR 7900024 A BR7900024 A BR 7900024A BR 7900024 A BR7900024 A BR 7900024A BR 7900024 A BR7900024 A BR 7900024A
Authority
BR
Brazil
Prior art keywords
breaker
command system
hydraulic command
hydraulic
command
Prior art date
Application number
BR7900024A
Other languages
English (en)
Inventor
C Gratzmuller
Original Assignee
Gratzmueller C A
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 Gratzmueller C A filed Critical Gratzmueller C A
Publication of BR7900024A publication Critical patent/BR7900024A/pt

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
    • H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
BR7900024A 1978-01-04 1979-01-03 Sistema de comando hidraulico para disjuntor BR7900024A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800106A FR2422245A1 (fr) 1978-01-04 1978-01-04 Systeme de commande hydraulique pour disjoncteurs electriques

Publications (1)

Publication Number Publication Date
BR7900024A true BR7900024A (pt) 1979-08-07

Family

ID=9203102

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7900024A BR7900024A (pt) 1978-01-04 1979-01-03 Sistema de comando hidraulico para disjuntor

Country Status (11)

Country Link
US (1) US4204461A (pt)
EP (1) EP0002985B1 (pt)
JP (1) JPS5497783A (pt)
AT (1) AT377383B (pt)
BR (1) BR7900024A (pt)
CA (1) CA1123031A (pt)
DE (2) DE2861589D1 (pt)
FR (1) FR2422245A1 (pt)
HU (1) HU184931B (pt)
IN (1) IN150996B (pt)
SU (1) SU1005671A3 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59158026A (ja) * 1983-02-28 1984-09-07 住友精密工業株式会社 しや断器の油圧操作回路
FR2547108B1 (fr) * 1983-05-30 1986-07-04 Gratzmuller Claude Commande oleopneumatique pour disjoncteurs electriques
JPS6132310A (ja) * 1984-07-25 1986-02-15 株式会社日立製作所 流体圧駆動装置
US4649704A (en) * 1984-12-24 1987-03-17 Shell Offshore Inc. Subsea power fluid accumulator
JPS6349435U (pt) * 1986-09-12 1988-04-04
DE3631304A1 (de) * 1986-09-13 1988-03-24 Teves Gmbh Alfred Elektrohydraulische schaltvorrichtung
DE3710376A1 (de) * 1987-03-28 1988-10-13 Asea Brown Boveri Antriebseinrichtung fuer einen beweglichen kontaktarm eines elektrischen schaltgeraetes
US5060475A (en) * 1990-05-29 1991-10-29 Caterpillar Inc. Pilot control circuit for load sensing hydraulic systems
FR2685541B1 (fr) * 1991-12-23 1994-04-08 Gec Alsthom Sa Commande de disjoncteur.
CA2127744A1 (en) * 1993-07-20 1995-01-21 George P. Kokalis Hydraulic closed loop control system
US7520129B2 (en) * 2006-11-07 2009-04-21 Varco I/P, Inc. Subsea pressure accumulator systems
US7926501B2 (en) * 2007-02-07 2011-04-19 National Oilwell Varco L.P. Subsea pressure systems for fluid recovery
US8464525B2 (en) * 2007-02-07 2013-06-18 National Oilwell Varco, L.P. Subsea power fluid recovery systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1098565A (fr) * 1954-01-15 1955-08-08 Dispositif de commande hydraulique pour disjoncteur, ou analogue
FR1135122A (fr) * 1955-11-04 1957-04-24 Jean Louis Gratzmuller Dispositif de commande hydraulique à contrôle de vitesse, pour disjoncteur
US2948262A (en) * 1956-03-02 1960-08-09 Gratzmuller Jean Louis Pressure-limiting device
FR73695E (fr) * 1958-06-06 1960-09-05 Comp Generale Electricite Procédé de commande oléopneumatique d'appareil électrique et application à un disjoncteur
FR1324161A (fr) * 1962-06-04 1963-04-12 Continental Elektro Ind Ag Soupape d'enclenchement et de disjonction à commande préalable pour interrupteurs électriques pourvus de commande oléo-hydraulique
FR1355701A (fr) * 1963-02-06 1964-03-20 Dispositif de commande à purges multiples pour circuit hydrauliques
FR1423882A (fr) * 1964-11-24 1966-01-07 Commande hydraulique pour disjoncteur électrique
CH539940A (de) * 1971-06-04 1973-07-31 Siemens Ag Elektrischer Hochspannungs-Leistungsschalter
FR2266022B1 (pt) * 1974-03-26 1976-12-17 Gratzmuller Jean Louis

Also Published As

Publication number Publication date
US4204461A (en) 1980-05-27
DE7838126U1 (de) 1979-10-25
JPS6236333B2 (pt) 1987-08-06
EP0002985B1 (fr) 1982-01-27
DE2861589D1 (en) 1982-03-11
ATA3879A (de) 1984-07-15
IN150996B (pt) 1983-02-12
HU184931B (en) 1984-11-28
EP0002985A1 (fr) 1979-07-11
FR2422245B1 (pt) 1982-04-16
JPS5497783A (en) 1979-08-02
CA1123031A (en) 1982-05-04
SU1005671A3 (ru) 1983-03-15
FR2422245A1 (fr) 1979-11-02
AT377383B (de) 1985-03-11

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