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FR849202A - Perfectionnements aux interrupteurs électriques - Google Patents

Perfectionnements aux interrupteurs électriques

Info

Publication number
FR849202A
FR849202A FR849202DA FR849202A FR 849202 A FR849202 A FR 849202A FR 849202D A FR849202D A FR 849202DA FR 849202 A FR849202 A FR 849202A
Authority
FR
France
Prior art keywords
electrical switches
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
English (en)
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 FR849202A publication Critical patent/FR849202A/fr
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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/94—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected solely due to the pressure caused by the arc itself or by an auxiliary arc
    • H01H33/96—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected solely due to the pressure caused by the arc itself or by an auxiliary arc the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
FR849202D 1938-01-22 1939-01-21 Perfectionnements aux interrupteurs électriques Expired FR849202A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE522934X 1938-01-22

Publications (1)

Publication Number Publication Date
FR849202A true FR849202A (fr) 1939-11-16

Family

ID=20311206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849202D Expired FR849202A (fr) 1938-01-22 1939-01-21 Perfectionnements aux interrupteurs électriques

Country Status (3)

Country Link
DE (1) DE707181C (fr)
FR (1) FR849202A (fr)
GB (1) GB522934A (fr)

Also Published As

Publication number Publication date
GB522934A (en) 1940-07-01
DE707181C (de) 1941-06-16

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