FI881400A - Hydraulisk differentialventil foer kontrollering av elektrisk kretsbrytare. - Google Patents

Hydraulisk differentialventil foer kontrollering av elektrisk kretsbrytare. Download PDF

Info

Publication number
FI881400A
FI881400A FI881400A FI881400A FI881400A FI 881400 A FI881400 A FI 881400A FI 881400 A FI881400 A FI 881400A FI 881400 A FI881400 A FI 881400A FI 881400 A FI881400 A FI 881400A
Authority
FI
Finland
Prior art keywords
cylinder
kretsbrytare
elektrisk
piston
differential valve
Prior art date
Application number
FI881400A
Other languages
English (en)
Finnish (fi)
Other versions
FI881400A0 (fi
Inventor
Claude Alain 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 FI881400A0 publication Critical patent/FI881400A0/fi
Publication of FI881400A publication Critical patent/FI881400A/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Retarders (AREA)
  • Control Of Fluid Gearings (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Reciprocating Pumps (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Vehicle Body Suspensions (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
FI881400A 1987-03-25 1988-03-24 Hydraulisk differentialventil foer kontrollering av elektrisk kretsbrytare. FI881400A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8704134A FR2613122B1 (fr) 1987-03-25 1987-03-25 Verin hydraulique differentiel pour la commande de disjoncteurs electriques

Publications (2)

Publication Number Publication Date
FI881400A0 FI881400A0 (fi) 1988-03-24
FI881400A true FI881400A (fi) 1988-09-26

Family

ID=9349407

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881400A FI881400A (fi) 1987-03-25 1988-03-24 Hydraulisk differentialventil foer kontrollering av elektrisk kretsbrytare.

Country Status (17)

Country Link
EP (1) EP0284482B1 (zh)
JP (1) JP2593909B2 (zh)
KR (1) KR920006522B1 (zh)
CN (1) CN1008652B (zh)
AT (1) ATE71471T1 (zh)
AU (1) AU599217B2 (zh)
BR (1) BR8801365A (zh)
CA (1) CA1319728C (zh)
DE (1) DE3867514D1 (zh)
ES (1) ES2028314T3 (zh)
FI (1) FI881400A (zh)
FR (1) FR2613122B1 (zh)
HU (1) HU204328B (zh)
IN (1) IN170378B (zh)
SU (1) SU1644724A3 (zh)
YU (1) YU47464B (zh)
ZA (1) ZA881688B (zh)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070266B (zh) * 1958-06-04
FR1312751A (fr) * 1961-01-24 1962-12-21 Coq Nv Perfectionnements apportés aux interrupteurs électriques avec rupture pneumatique du courant
US3155009A (en) * 1961-08-03 1964-11-03 Gen Dynamics Corp High energy actuator apparatus
FR1378068A (fr) * 1963-07-24 1964-11-13 Merlin Gerin Perfectionnement aux dispositifs de commande hydraulique, notamment pour interrupteurs électriques
DE1282131B (de) * 1965-01-29 1968-11-07 Siemens Ag Elektrischer Schalter
FR2317532A1 (fr) * 1975-07-07 1977-02-04 Gratzmuller Jean Louis Verin hydraulique a amortisseur incorpore avec realimentation de la chambre d'amortissement
US4166937A (en) * 1978-05-18 1979-09-04 General Electric Company Hydraulically-activated operating system for an electric circuit breaker
JPS5598464U (zh) * 1978-12-27 1980-07-09
JPS5693227A (en) * 1979-12-27 1981-07-28 Hitachi Ltd Hydraulic driving unit
JPS56153627A (en) * 1980-04-28 1981-11-27 Meidensha Electric Mfg Co Ltd Oil pressure operating device
JPS59109044U (ja) * 1983-01-12 1984-07-23 株式会社東芝 しや断器の液圧操作装置
JPS61161627A (ja) * 1985-01-08 1986-07-22 三菱電機株式会社 液圧式操作装置
JPH0795416B2 (ja) * 1986-02-26 1995-10-11 株式会社東芝 液圧操作装置
US4785712A (en) * 1986-05-27 1988-11-22 Mitsubishi Denki Kabushiki Kaisha Hydraulic operating apparatus for electric circuit breaker

Also Published As

Publication number Publication date
FR2613122A1 (fr) 1988-09-30
YU55288A (en) 1990-04-30
EP0284482B1 (fr) 1992-01-08
ZA881688B (en) 1988-09-06
FI881400A0 (fi) 1988-03-24
IN170378B (zh) 1992-03-21
CA1319728C (en) 1993-06-29
DE3867514D1 (de) 1992-02-20
HUT48331A (en) 1989-05-29
JP2593909B2 (ja) 1997-03-26
KR880011481A (ko) 1988-10-28
AU599217B2 (en) 1990-07-12
FR2613122B1 (fr) 1989-06-23
BR8801365A (pt) 1988-11-01
ATE71471T1 (de) 1992-01-15
AU1351588A (en) 1988-09-29
YU47464B (sh) 1995-10-03
SU1644724A3 (ru) 1991-04-23
ES2028314T3 (es) 1992-07-01
JPS63254623A (ja) 1988-10-21
HU204328B (en) 1991-12-30
KR920006522B1 (ko) 1992-08-07
EP0284482A1 (fr) 1988-09-28
CN1008652B (zh) 1990-07-04
CN88101589A (zh) 1988-10-12

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: GRATZMULLER, CLAUDE ALAIN