GB1400523A - Axial blast nozzle for a compressed gas electric circuit-breaker - Google Patents

Axial blast nozzle for a compressed gas electric circuit-breaker

Info

Publication number
GB1400523A
GB1400523A GB3571372A GB3571372A GB1400523A GB 1400523 A GB1400523 A GB 1400523A GB 3571372 A GB3571372 A GB 3571372A GB 3571372 A GB3571372 A GB 3571372A GB 1400523 A GB1400523 A GB 1400523A
Authority
GB
United Kingdom
Prior art keywords
zone
nozzle
breaker
electric circuit
compressed gas
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
GB3571372A
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.)
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
Publication of GB1400523A publication Critical patent/GB1400523A/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

Landscapes

  • Circuit Breakers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB3571372A 1971-07-30 1972-07-31 Axial blast nozzle for a compressed gas electric circuit-breaker Expired GB1400523A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1400523A true GB1400523A (en) 1975-07-16

Family

ID=11220694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3571372A Expired GB1400523A (en) 1971-07-30 1972-07-31 Axial blast nozzle for a compressed gas electric circuit-breaker

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH648689A5 (de) * 1979-08-15 1985-03-29 Bbc Brown Boveri & Cie Leistungsschalter.
CA1243342A (en) * 1983-08-24 1988-10-18 Fumihiro Endo Gas-insulated circuit breaker
JPS61188825A (ja) * 1985-02-15 1986-08-22 株式会社日立製作所 パツフア式ガス遮断器
JP2771305B2 (ja) * 1990-03-13 1998-07-02 株式会社日立製作所 ガス遮断器
DE10156535C1 (de) * 2001-11-14 2003-06-26 Siemens Ag Leistungsschalter
EP2415060B1 (en) * 2009-03-30 2017-07-26 ABB Research Ltd. Circuit breaker
CN106841573A (zh) * 2017-04-12 2017-06-13 中铁西北科学研究院有限公司 一种泥石流模拟试验装置及试验方法

Also Published As

Publication number Publication date
CA973598A (en) 1975-08-26
BE786948A (fr) 1973-01-29
US3816684A (en) 1974-06-11
FR2148031A1 (enrdf_load_stackoverflow) 1973-03-11
BR7205080D0 (pt) 1973-06-28
DE2236566A1 (de) 1973-02-08
NO134274B (enrdf_load_stackoverflow) 1976-05-31
SE372652B (enrdf_load_stackoverflow) 1974-12-23
ES405375A1 (es) 1975-07-16
CH546476A (de) 1974-02-28
NO134274C (enrdf_load_stackoverflow) 1976-09-08
FR2148031B1 (enrdf_load_stackoverflow) 1977-06-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee