FR947876A - Pneumatic blow-off electric circuit breaker device - Google Patents

Pneumatic blow-off electric circuit breaker device

Info

Publication number
FR947876A
FR947876A FR947876DA FR947876A FR 947876 A FR947876 A FR 947876A FR 947876D A FR947876D A FR 947876DA FR 947876 A FR947876 A FR 947876A
Authority
FR
France
Prior art keywords
circuit breaker
electric circuit
breaker device
pneumatic blow
blow
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
Other languages
French (fr)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR947876A publication Critical patent/FR947876A/en
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
FR947876D 1946-06-13 1947-06-13 Pneumatic blow-off electric circuit breaker device Expired FR947876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE256943X 1946-06-13

Publications (1)

Publication Number Publication Date
FR947876A true FR947876A (en) 1949-07-15

Family

ID=20306338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947876D Expired FR947876A (en) 1946-06-13 1947-06-13 Pneumatic blow-off electric circuit breaker device

Country Status (6)

Country Link
US (1) US2542650A (en)
BE (1) BE473866A (en)
CH (1) CH256943A (en)
DE (1) DE959929C (en)
FR (1) FR947876A (en)
GB (1) GB623921A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1289339A (en) * 1915-08-31 1918-12-31 Westinghouse Electric & Mfg Co Valve-control mechanism.
US1937482A (en) * 1928-09-18 1933-11-28 Ruppel Sigwart Compressed gas switch
US1976445A (en) * 1931-03-25 1934-10-09 Shand & Jurs Company Valve control system
BE413510A (en) * 1935-01-30
BE483191A (en) * 1940-01-11
BE483534A (en) * 1940-01-13
NL115273C (en) * 1943-06-28

Also Published As

Publication number Publication date
DE959929C (en) 1957-03-14
US2542650A (en) 1951-02-20
GB623921A (en) 1949-05-25
CH256943A (en) 1948-09-15
BE473866A (en)

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