FR889431A - Device for closing electrical switches - Google Patents

Device for closing electrical switches

Info

Publication number
FR889431A
FR889431A FR889431DA FR889431A FR 889431 A FR889431 A FR 889431A FR 889431D A FR889431D A FR 889431DA FR 889431 A FR889431 A FR 889431A
Authority
FR
France
Prior art keywords
electrical switches
closing electrical
closing
switches
electrical
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 FR889431A publication Critical patent/FR889431A/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
FR889431D 1941-12-31 1942-12-28 Device for closing electrical switches Expired FR889431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE232219X 1941-12-31

Publications (1)

Publication Number Publication Date
FR889431A true FR889431A (en) 1944-01-10

Family

ID=20305720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889431D Expired FR889431A (en) 1941-12-31 1942-12-28 Device for closing electrical switches

Country Status (4)

Country Link
CH (1) CH232219A (en)
DE (1) DE744385C (en)
FR (1) FR889431A (en)
GB (1) GB556261A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956067C (en) * 1953-02-10 1957-01-10 Licentia Gmbh High voltage electrical switch
DE1029451B (en) * 1954-08-26 1958-05-08 Siemens Ag Hydraulic spring energy storage drive for electrical switches with on and off spring
CH335339A (en) * 1955-10-18 1958-12-31 Bbc Brown Boveri & Cie Drive device with cylinder and two-part piston

Also Published As

Publication number Publication date
CH232219A (en) 1944-05-15
DE744385C (en) 1944-01-14
GB556261A (en) 1943-09-27

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