CA1319728C - Differential hydraulic jack for the control of electric circuit-breakers - Google Patents

Differential hydraulic jack for the control of electric circuit-breakers

Info

Publication number
CA1319728C
CA1319728C CA000562240A CA562240A CA1319728C CA 1319728 C CA1319728 C CA 1319728C CA 000562240 A CA000562240 A CA 000562240A CA 562240 A CA562240 A CA 562240A CA 1319728 C CA1319728 C CA 1319728C
Authority
CA
Canada
Prior art keywords
piston
valve
cylinder
jack
jack according
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 - Lifetime
Application number
CA000562240A
Other languages
English (en)
French (fr)
Inventor
Claude Alain Gratzmuller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1319728C publication Critical patent/CA1319728C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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)
CA000562240A 1987-03-25 1988-03-23 Differential hydraulic jack for the control of electric circuit-breakers Expired - Lifetime CA1319728C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704134 1987-03-25
FR8704134A FR2613122B1 (fr) 1987-03-25 1987-03-25 Verin hydraulique differentiel pour la commande de disjoncteurs electriques

Publications (1)

Publication Number Publication Date
CA1319728C true CA1319728C (en) 1993-06-29

Family

ID=9349407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000562240A Expired - Lifetime CA1319728C (en) 1987-03-25 1988-03-23 Differential hydraulic jack for the control of electric circuit-breakers

Country Status (17)

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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070266B (de) * 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 (de) * 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 (de) 1992-01-08
ZA881688B (en) 1988-09-06
FI881400A0 (fi) 1988-03-24
IN170378B (de) 1992-03-21
FI881400A (fi) 1988-09-26
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 (de) 1988-09-28
CN1008652B (zh) 1990-07-04
CN88101589A (zh) 1988-10-12

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 20100629