NO742084L - - Google Patents

Info

Publication number
NO742084L
NO742084L NO742084A NO742084A NO742084L NO 742084 L NO742084 L NO 742084L NO 742084 A NO742084 A NO 742084A NO 742084 A NO742084 A NO 742084A NO 742084 L NO742084 L NO 742084L
Authority
NO
Norway
Prior art keywords
holes
area
chamber
breaking
axes
Prior art date
Application number
NO742084A
Other languages
English (en)
Norwegian (no)
Inventor
B J C Y Teijeiro
Original Assignee
Magrini Spa Galileo
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 Spa Galileo filed Critical Magrini Spa Galileo
Publication of NO742084L publication Critical patent/NO742084L/no

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023Switches 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
    • H01H33/703Switches 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

Landscapes

  • Circuit Breakers (AREA)
NO742084A 1973-06-14 1974-06-10 NO742084L (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT50788/73A IT985690B (it) 1973-06-14 1973-06-14 Camera di interruzione per interrut tori elettrici a gas compresso auto soffiante

Publications (1)

Publication Number Publication Date
NO742084L true NO742084L (xx) 1975-01-13

Family

ID=11273713

Family Applications (1)

Application Number Title Priority Date Filing Date
NO742084A NO742084L (xx) 1973-06-14 1974-06-10

Country Status (14)

Country Link
US (1) US3949182A (xx)
JP (1) JPS5035670A (xx)
AR (1) AR201442A1 (xx)
BE (1) BE816260A (xx)
BR (1) BR7404815A (xx)
CA (1) CA1008114A (xx)
CH (1) CH581385A5 (xx)
DE (1) DE2428741A1 (xx)
ES (1) ES427190A1 (xx)
FR (1) FR2233697B1 (xx)
GB (1) GB1473174A (xx)
IT (1) IT985690B (xx)
NO (1) NO742084L (xx)
SE (1) SE396502B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362915A (en) * 1978-02-17 1982-12-07 Square D Company Electric arc confining device
DE2911633C2 (de) * 1979-03-24 1985-07-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Autopneumatischer Druckgasschalter
EP2415060B1 (en) * 2009-03-30 2017-07-26 ABB Research Ltd. Circuit breaker
EP2662877B1 (en) * 2011-01-07 2019-09-25 Mitsubishi Electric Corporation Switching apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE601672C (de) * 1931-05-21 1934-08-22 Anon Soc Luftschalter mit Lichtbogenloeschung durch einen Blasstrom
US3073931A (en) * 1959-09-24 1963-01-15 Westinghouse Electric Corp Compressed-gas circuit interrupter
DE2057686A1 (de) * 1969-11-27 1971-06-03 Magrini Fab Riun Scarpa Verbesserte Blasoeffnungseinheit fuer einen selbstloeschenden elektrischen Druckgasschalter
FR2076494A5 (xx) * 1970-01-16 1971-10-15 Alsthom Cgee
SE371531B (xx) * 1970-04-16 1974-11-18 Magrini Fab Riun Scarpa

Also Published As

Publication number Publication date
US3949182A (en) 1976-04-06
ES427190A1 (es) 1976-08-01
SE7407611L (xx) 1974-12-16
CH581385A5 (xx) 1976-10-29
CA1008114A (en) 1977-04-05
IT985690B (it) 1974-12-10
AR201442A1 (es) 1975-03-14
DE2428741A1 (de) 1975-01-09
FR2233697B1 (xx) 1976-12-24
JPS5035670A (xx) 1975-04-04
FR2233697A1 (xx) 1975-01-10
BE816260A (fr) 1974-12-13
SE396502B (sv) 1977-09-19
GB1473174A (en) 1977-05-11
BR7404815A (pt) 1976-02-17

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