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BE786948A - RADIAL HOLE TUBE FOR SELF-BLOWING COMPRESSED GAS ELECTRIC CIRCUIT BREAKERS - Google Patents

RADIAL HOLE TUBE FOR SELF-BLOWING COMPRESSED GAS ELECTRIC CIRCUIT BREAKERS

Info

Publication number
BE786948A
BE786948A BE786948A BE786948A BE786948A BE 786948 A BE786948 A BE 786948A BE 786948 A BE786948 A BE 786948A BE 786948 A BE786948 A BE 786948A BE 786948 A BE786948 A BE 786948A
Authority
BE
Belgium
Prior art keywords
self
electric circuit
compressed gas
circuit breakers
radial hole
Prior art date
Application number
BE786948A
Other languages
French (fr)
Inventor
B J Calvino Y Teijeiro
Original Assignee
Magrini Fab Riun Scarpa
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 Fab Riun Scarpa filed Critical Magrini Fab Riun Scarpa
Publication of BE786948A publication Critical patent/BE786948A/en

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
BE786948A 1971-07-30 1972-07-28 RADIAL HOLE TUBE FOR SELF-BLOWING COMPRESSED GAS ELECTRIC CIRCUIT BREAKERS BE786948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2698771 1971-07-30

Publications (1)

Publication Number Publication Date
BE786948A true BE786948A (en) 1973-01-29

Family

ID=11220694

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786948A BE786948A (en) 1971-07-30 1972-07-28 RADIAL HOLE TUBE FOR SELF-BLOWING COMPRESSED GAS ELECTRIC CIRCUIT BREAKERS

Country Status (11)

Country Link
US (1) US3816684A (en)
BE (1) BE786948A (en)
BR (1) BR7205080D0 (en)
CA (1) CA973598A (en)
CH (1) CH546476A (en)
DE (1) DE2236566A1 (en)
ES (1) ES405375A1 (en)
FR (1) FR2148031B1 (en)
GB (1) GB1400523A (en)
NO (1) NO134274C (en)
SE (1) SE372652B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH648689A5 (en) * 1979-08-15 1985-03-29 Bbc Brown Boveri & Cie CIRCUIT BREAKER.
CA1243342A (en) * 1983-08-24 1988-10-18 Fumihiro Endo Gas-insulated circuit breaker
JPS61188825A (en) * 1985-02-15 1986-08-22 株式会社日立製作所 Buffer type gas breaker
JP2771305B2 (en) * 1990-03-13 1998-07-02 株式会社日立製作所 Gas circuit breaker
DE10156535C1 (en) * 2001-11-14 2003-06-26 Siemens Ag breakers
EP2415060B1 (en) * 2009-03-30 2017-07-26 ABB Research Ltd. Circuit breaker
CN106841573A (en) * 2017-04-12 2017-06-13 中铁西北科学研究院有限公司 A kind of debris flows simulation experimental rig and test method

Also Published As

Publication number Publication date
FR2148031B1 (en) 1977-06-17
NO134274C (en) 1976-09-08
NO134274B (en) 1976-05-31
BR7205080D0 (en) 1973-06-28
CA973598A (en) 1975-08-26
DE2236566A1 (en) 1973-02-08
FR2148031A1 (en) 1973-03-11
ES405375A1 (en) 1975-07-16
CH546476A (en) 1974-02-28
US3816684A (en) 1974-06-11
SE372652B (en) 1974-12-23
GB1400523A (en) 1975-07-16

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