CA933555A - Blast orifice unit for self-blasting compressed gas electric circuit-breakers - Google Patents

Blast orifice unit for self-blasting compressed gas electric circuit-breakers

Info

Publication number
CA933555A
CA933555A CA110490A CA110490A CA933555A CA 933555 A CA933555 A CA 933555A CA 110490 A CA110490 A CA 110490A CA 110490 A CA110490 A CA 110490A CA 933555 A CA933555 A CA 933555A
Authority
CA
Canada
Prior art keywords
breakers
self
electric circuit
compressed gas
gas electric
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
CA110490A
Other languages
English (en)
Other versions
CA110490S (en
Inventor
J. Calvino Y Teijeiro Benito
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.)
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Original Assignee
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
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 Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA filed Critical Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Application granted granted Critical
Publication of CA933555A publication Critical patent/CA933555A/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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
CA110490A 1970-04-16 1971-04-15 Blast orifice unit for self-blasting compressed gas electric circuit-breakers Expired CA933555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2339370 1970-04-16

Publications (1)

Publication Number Publication Date
CA933555A true CA933555A (en) 1973-09-11

Family

ID=11206685

Family Applications (1)

Application Number Title Priority Date Filing Date
CA110490A Expired CA933555A (en) 1970-04-16 1971-04-15 Blast orifice unit for self-blasting compressed gas electric circuit-breakers

Country Status (12)

Country Link
US (1) US3670124A (de)
JP (1) JPS5341345B1 (de)
BE (1) BE765778A (de)
BR (1) BR7102242D0 (de)
CA (1) CA933555A (de)
CH (1) CH535488A (de)
DE (1) DE2118167C3 (de)
ES (1) ES390207A1 (de)
FR (1) FR2089724A5 (de)
GB (1) GB1352228A (de)
NO (1) NO129595B (de)
SE (1) SE362531B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556603A (de) * 1973-03-20 1974-11-29 Bbc Brown Boveri & Cie In einer schaltkammer eines elektrischen schalters, insbesondere eines sf6-druckgasschalters, angeordneter bauteil aus unter der einwirkung der lichtbogenwaerme gasabgebendem werkstoff.
CH629910A5 (en) * 1978-06-13 1982-05-14 Sprecher & Schuh Ag Gas-blast circuit breaker
US4339641A (en) * 1980-05-27 1982-07-13 General Electric Company Nozzle for a puffer-type circuit breaker
US4667072A (en) * 1983-08-24 1987-05-19 Hitachi, Ltd. Gas-insulated circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1307668A (fr) * 1961-12-07 1962-10-26 Brown Interrupteur pneumatique avec contact à tuyère
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter
FR1549097A (de) * 1967-01-03 1968-12-06

Also Published As

Publication number Publication date
DE2118167B2 (de) 1980-10-30
JPS5341345B1 (de) 1978-11-02
US3670124A (en) 1972-06-13
FR2089724A5 (de) 1972-01-07
NO129595B (de) 1974-04-29
DE2118167A1 (de) 1971-10-28
DE2118167C3 (de) 1981-09-17
ES390207A1 (es) 1973-07-01
BE765778A (fr) 1971-10-15
CH535488A (de) 1973-03-31
SE362531B (de) 1973-12-10
BR7102242D0 (pt) 1973-04-19
GB1352228A (en) 1974-05-08

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