JPS4976077A - - Google Patents

Info

Publication number
JPS4976077A
JPS4976077A JP47118017A JP11801772A JPS4976077A JP S4976077 A JPS4976077 A JP S4976077A JP 47118017 A JP47118017 A JP 47118017A JP 11801772 A JP11801772 A JP 11801772A JP S4976077 A JPS4976077 A JP S4976077A
Authority
JP
Japan
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.)
Granted
Application number
JP47118017A
Other languages
Japanese (ja)
Other versions
JPS5517448B2 (enExample
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 filed Critical
Priority to JP11801772A priority Critical patent/JPS5517448B2/ja
Priority to US415328A priority patent/US3908106A/en
Priority to SE7315968A priority patent/SE389759B/xx
Publication of JPS4976077A publication Critical patent/JPS4976077A/ja
Publication of JPS5517448B2 publication Critical patent/JPS5517448B2/ja
Expired 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
    • H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic

Landscapes

  • Circuit Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
JP11801772A 1972-11-27 1972-11-27 Expired JPS5517448B2 (enExample)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11801772A JPS5517448B2 (enExample) 1972-11-27 1972-11-27
US415328A US3908106A (en) 1972-11-27 1973-11-13 Valve and piston operative means for a circuit breaker
SE7315968A SE389759B (sv) 1972-11-27 1973-11-26 Strombrytarmanovreringsanordning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11801772A JPS5517448B2 (enExample) 1972-11-27 1972-11-27

Publications (2)

Publication Number Publication Date
JPS4976077A true JPS4976077A (enExample) 1974-07-23
JPS5517448B2 JPS5517448B2 (enExample) 1980-05-12

Family

ID=14725985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11801772A Expired JPS5517448B2 (enExample) 1972-11-27 1972-11-27

Country Status (3)

Country Link
US (1) US3908106A (enExample)
JP (1) JPS5517448B2 (enExample)
SE (1) SE389759B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549778A (en) * 1977-06-24 1979-01-24 Hitachi Ltd Fluid control device for circuit breaker

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150074A (en) * 1975-06-18 1976-12-23 Hitachi Ltd Fluid actuating valve unit
US4387280A (en) * 1978-05-29 1983-06-07 General Electric Company High speed hydraulically-actuated operating system for an electric circuit breaker
US4384182A (en) * 1980-05-29 1983-05-17 General Electric Company Hydraulic actuator for an electric circuit breaker
ITBG20060050A1 (it) * 2006-10-06 2008-04-07 Abb Service S Rl Interruttore di bassa tensione con poli intercambiabili

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970193A (en) * 1957-12-18 1961-01-31 Gratzmuller Jean Louis Pressure fluid control
US2972337A (en) * 1959-11-30 1961-02-21 Gen Electric Hydraulically actuated operating mechanism for an electric circuit breaker
NL253981A (enExample) * 1960-07-20
US3334202A (en) * 1966-02-11 1967-08-01 Gen Electric Manually-controlled circuit breaker tripping arrangement
US3519022A (en) * 1968-05-31 1970-07-07 Skinner Precision Ind Inc Low pressure operator
US3674955A (en) * 1970-12-17 1972-07-04 Allis Chalmers Mfg Co Circuit breaker with hydraulic operating mechanism for vacuum interrupter
US3698682A (en) * 1971-01-25 1972-10-17 Eugene B Berning Solenoid actuated valve for anhydrous ammonia flow meters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549778A (en) * 1977-06-24 1979-01-24 Hitachi Ltd Fluid control device for circuit breaker

Also Published As

Publication number Publication date
US3908106A (en) 1975-09-23
SE389759B (sv) 1976-11-15
JPS5517448B2 (enExample) 1980-05-12

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