JPS5517448B2 - - Google Patents

Info

Publication number
JPS5517448B2
JPS5517448B2 JP11801772A JP11801772A JPS5517448B2 JP S5517448 B2 JPS5517448 B2 JP S5517448B2 JP 11801772 A JP11801772 A JP 11801772A JP 11801772 A JP11801772 A JP 11801772A JP S5517448 B2 JPS5517448 B2 JP S5517448B2
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.)
Expired
Application number
JP11801772A
Other languages
Japanese (ja)
Other versions
JPS4976077A (enrdf_load_html_response
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 (enrdf_load_html_response)

Priority Applications (3)

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

Publications (2)

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

Family

ID=14725985

Family Applications (1)

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

Country Status (3)

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

Families Citing this family (5)

* 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
JPS549778A (en) * 1977-06-24 1979-01-24 Hitachi Ltd Fluid control device for circuit breaker
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 (enrdf_load_html_response) * 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

Also Published As

Publication number Publication date
JPS4976077A (enrdf_load_html_response) 1974-07-23
US3908106A (en) 1975-09-23
SE389759B (sv) 1976-11-15

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