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FR810179A - Perfectionnements aux interrupteurs à piston différentiel - Google Patents

Perfectionnements aux interrupteurs à piston différentiel

Info

Publication number
FR810179A
FR810179A FR810179DA FR810179A FR 810179 A FR810179 A FR 810179A FR 810179D A FR810179D A FR 810179DA FR 810179 A FR810179 A FR 810179A
Authority
FR
France
Prior art keywords
differential piston
piston switches
switches
differential
piston
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 FR810179A publication Critical patent/FR810179A/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)
  • Gas-Insulated Switchgears (AREA)
FR810179D 1935-08-28 1936-08-28 Perfectionnements aux interrupteurs à piston différentiel Expired FR810179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE479947X 1935-08-28

Publications (1)

Publication Number Publication Date
FR810179A true FR810179A (fr) 1937-03-17

Family

ID=20310444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810179D Expired FR810179A (fr) 1935-08-28 1936-08-28 Perfectionnements aux interrupteurs à piston différentiel

Country Status (3)

Country Link
DE (1) DE671016C (fr)
FR (1) FR810179A (fr)
GB (1) GB479947A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759015C (de) * 1939-10-07 1952-10-27 Sachsenwerk Licht Und Kraft A Loeschkammer-Fluessigkeitsschalter
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches

Also Published As

Publication number Publication date
GB479947A (en) 1938-02-15
DE671016C (de) 1939-01-30

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