SE389759B - POWER SWITCH MANUFACTURER - Google Patents

POWER SWITCH MANUFACTURER

Info

Publication number
SE389759B
SE389759B SE7315968A SE7315968A SE389759B SE 389759 B SE389759 B SE 389759B SE 7315968 A SE7315968 A SE 7315968A SE 7315968 A SE7315968 A SE 7315968A SE 389759 B SE389759 B SE 389759B
Authority
SE
Sweden
Prior art keywords
power switch
switch manufacturer
manufacturer
power
switch
Prior art date
Application number
SE7315968A
Other languages
Swedish (sv)
Inventor
K Hirasawa
S Nakano
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
Publication of SE389759B publication Critical patent/SE389759B/en

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
SE7315968A 1972-11-27 1973-11-26 POWER SWITCH MANUFACTURER SE389759B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE389759B true SE389759B (en) 1976-11-15

Family

ID=14725985

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7315968A SE389759B (en) 1972-11-27 1973-11-26 POWER SWITCH MANUFACTURER

Country Status (3)

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

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 (en) * 2006-10-06 2008-04-07 Abb Service S Rl LOW VOLTAGE SWITCH WITH INTERCHANGEABLE POLES

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
NL120020C (en) * 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 (en) 1974-07-23
JPS5517448B2 (en) 1980-05-12
US3908106A (en) 1975-09-23

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