JPS6258092B2 - - Google Patents

Info

Publication number
JPS6258092B2
JPS6258092B2 JP54169253A JP16925379A JPS6258092B2 JP S6258092 B2 JPS6258092 B2 JP S6258092B2 JP 54169253 A JP54169253 A JP 54169253A JP 16925379 A JP16925379 A JP 16925379A JP S6258092 B2 JPS6258092 B2 JP S6258092B2
Authority
JP
Japan
Prior art keywords
fluid
piston
pressure
fluid chamber
receiving surface
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
JP54169253A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5693227A (en
Inventor
Ichiro Nakamura
Mitsuaki Takenoshita
Takeshi Ichanagi
Yoshimichi Akasaka
Haruo Watanabe
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16925379A priority Critical patent/JPS5693227A/ja
Priority to US06/217,844 priority patent/US4404892A/en
Priority to DE19803048814 priority patent/DE3048814A1/de
Publication of JPS5693227A publication Critical patent/JPS5693227A/ja
Publication of JPS6258092B2 publication Critical patent/JPS6258092B2/ja
Granted legal-status Critical Current

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
    • 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

  • Fluid-Pressure Circuits (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
JP16925379A 1979-12-27 1979-12-27 Hydraulic driving unit Granted JPS5693227A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16925379A JPS5693227A (en) 1979-12-27 1979-12-27 Hydraulic driving unit
US06/217,844 US4404892A (en) 1979-12-27 1980-12-18 Hydraulic operating apparatus
DE19803048814 DE3048814A1 (de) 1979-12-27 1980-12-23 Hydraulische betaetigungseinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16925379A JPS5693227A (en) 1979-12-27 1979-12-27 Hydraulic driving unit

Publications (2)

Publication Number Publication Date
JPS5693227A JPS5693227A (en) 1981-07-28
JPS6258092B2 true JPS6258092B2 ( ) 1987-12-04

Family

ID=15883075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16925379A Granted JPS5693227A (en) 1979-12-27 1979-12-27 Hydraulic driving unit

Country Status (3)

Country Link
US (1) US4404892A ( )
JP (1) JPS5693227A ( )
DE (1) DE3048814A1 ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411468U ( ) * 1990-05-16 1992-01-30

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785712A (en) * 1986-05-27 1988-11-22 Mitsubishi Denki Kabushiki Kaisha Hydraulic operating apparatus for electric circuit breaker
US4870890A (en) * 1986-09-17 1989-10-03 Cowan Philip L Automatic reversing valve
FR2613122B1 (fr) * 1987-03-25 1989-06-23 Gratzmuller Claude Verin hydraulique differentiel pour la commande de disjoncteurs electriques
JP3402024B2 (ja) * 1995-11-20 2003-04-28 株式会社日立製作所 ガス遮断器及びそれに用いられる流体圧駆動装置
US7751959B2 (en) * 2005-06-21 2010-07-06 Tenneco Automotive Operating Company Inc. Semi-active suspension system with anti-roll for a vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50128175A ( ) * 1974-03-18 1975-10-08

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617444A (en) * 1944-05-26 1952-11-11 Automatic Valve Inc Valve
FR1098565A (fr) * 1954-01-15 1955-08-08 Dispositif de commande hydraulique pour disjoncteur, ou analogue
US3008017A (en) * 1958-01-16 1961-11-07 Westinghouse Electric Corp Circuit breaker
FR1203632A (fr) * 1958-11-12 1960-01-20 Comp Generale Electricite Procédé de commande oléopneumatique d'appareil électrique et application à un disjoncteur
US3105126A (en) * 1960-06-15 1963-09-24 Allis Chalmers Mfg Co Interrupting device employing continuous hydraulic control
DE1175334B (de) * 1961-05-18 1964-08-06 Siemens Ag Hydraulischer Antrieb fuer elektrische Schalter
DE1152179B (de) * 1961-06-16 1963-08-01 Continental Elektro Ind Ag Ein- oder mehrstufig vorgesteuertes Ein- und Ausschaltventil fuer mit oelhydrau-lischen Antrieben versehene elektrische Schalter
US3131722A (en) * 1961-11-27 1964-05-05 Ross Operating Valve Co Valve
US3208720A (en) * 1962-05-24 1965-09-28 Ross Operating Valve Co Reciprocating valve
CH514073A (fr) * 1963-05-25 1971-10-15 Vevey Atel Const Mec Installation de réglage de turbine hydraulique à hélice à pas réglable
DE1540499A1 (de) * 1965-07-30 1970-01-02 Siemens Ag Doppelwirkender Druckmittelantrieb fuer elektrische Schalter
US3363513A (en) * 1966-07-11 1968-01-16 Jack B. Ottestad Impact ram
US3363512A (en) * 1965-08-13 1968-01-16 Impulse Prod Corp Impact ram
US3418887A (en) * 1967-03-28 1968-12-31 Bliss E W Co High energy rate actuator
DE1690004C3 (de) * 1967-07-25 1975-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Steuerventil für einen hydraulisch betätigten elektrischen Schalter mit Kolbenantrieb
DE1907128A1 (de) * 1969-02-13 1970-09-03 Calor Emag Elek Zitaets Ag Hydraulischer Antrieb fuer Hochspannungsschalter
DE1917792A1 (de) * 1969-04-08 1970-11-05 Paschke Dipl Ing Hans Dieter Druckmittelbetriebene Vorrichtung zur Erzeugung einer hin- und hergehenden Bewegung
DE1938924A1 (de) * 1969-07-31 1971-02-11 Calor Emag Elek Zitaets Ag Steuerorgan fuer Druckmittelantriebe von Hochspannungsleistungsschaltern
FR2129879B1 ( ) * 1971-03-18 1974-10-11 Viron Michel
CH539940A (de) * 1971-06-04 1973-07-31 Siemens Ag Elektrischer Hochspannungs-Leistungsschalter
DE2235074B2 (de) * 1972-07-12 1979-05-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Hydraulische Betätigungsvorrichtung für einen elektrischen Schalter
DE2344657A1 (de) * 1973-09-05 1975-03-13 Bbc Brown Boveri & Cie Hydraulikzylinder mit einem innerhalb des zylinders bewegbaren kolben
US4111607A (en) * 1976-02-20 1978-09-05 Amiad Systems Ltd. Linear hydraulic motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50128175A ( ) * 1974-03-18 1975-10-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411468U ( ) * 1990-05-16 1992-01-30

Also Published As

Publication number Publication date
DE3048814C2 ( ) 1989-02-02
JPS5693227A (en) 1981-07-28
DE3048814A1 (de) 1981-09-24
US4404892A (en) 1983-09-20

Similar Documents

Publication Publication Date Title
US4877217A (en) Fail-safe blowout preventer
US4281677A (en) Supply valve for dual circuit systems
EP0038699B1 (en) Improvements in power-operated boosters
EP0227209B2 (en) Pilot valves for two-stage hydraulic devices
US4282896A (en) Pilot operated check valve
US4309021A (en) Valve structure
JPH102436A (ja) カートリッジ弁
JPS6258092B2 ( )
IE43114B1 (en) An hydraulic distributor
US3707984A (en) Hydraulic valve with leakage control
CA1238258A (en) Shut-off valve
US3812675A (en) Hydraulic flow control valve assemblies
JPH0239677B2 ( )
US4151978A (en) Stroke limiting apparatus for hydraulic cylinders
JPH06193606A (ja) 圧力補償弁を備えた操作弁
CA1308767C (en) Primary pressure-balanced proportioning valve
US3048016A (en) Hydraulic drive for electric switchgear
US4821519A (en) Primary pressure-balanced proportioning valve
JP3950586B2 (ja) 油圧制御弁
KR100346091B1 (ko) 차단기의 유체압 구동장치
JPS6347094B2 ( )
JPH0419207Y2 ( )
JPS63246579A (ja) 油圧モ−タのリリ−フ弁
US3171628A (en) Control system for hydraulically operated valves
SU1113294A1 (ru) Предохранительный клапан с дроссельным устройством дл двухконтурных тормозных систем транспортных средств