CA943170A - Electrical small volume oil circuit breaker - Google Patents

Electrical small volume oil circuit breaker

Info

Publication number
CA943170A
CA943170A CA125,307A CA125307A CA943170A CA 943170 A CA943170 A CA 943170A CA 125307 A CA125307 A CA 125307A CA 943170 A CA943170 A CA 943170A
Authority
CA
Canada
Prior art keywords
circuit breaker
oil circuit
small volume
volume oil
electrical small
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
CA125,307A
Other languages
English (en)
Other versions
CA125307S (en
Inventor
Pekka E. Laupiainen
Seppo A. Ahonen
Asko S. Riekkinen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of CA943170A publication Critical patent/CA943170A/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
    • H01H33/70—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
    • H01H33/90—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 by or in conjunction with the contact-operating mechanism
    • H01H33/92—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 by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
CA125,307A 1970-10-16 1971-10-15 Electrical small volume oil circuit breaker Expired CA943170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI702804A FI50751C (fi) 1970-10-16 1970-10-16 Sähköinen vähäöljykatkaisija.

Publications (1)

Publication Number Publication Date
CA943170A true CA943170A (en) 1974-03-05

Family

ID=8507602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA125,307A Expired CA943170A (en) 1970-10-16 1971-10-15 Electrical small volume oil circuit breaker

Country Status (5)

Country Link
CA (1) CA943170A (cs)
DE (1) DE2151287A1 (cs)
FI (1) FI50751C (cs)
SE (1) SE380386B (cs)
ZA (1) ZA716962B (cs)

Also Published As

Publication number Publication date
SE380386B (sv) 1975-11-03
FI50751C (fi) 1976-06-10
DE2151287A1 (de) 1972-04-20
FI50751B (cs) 1976-03-01
ZA716962B (en) 1972-07-26

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