GB1238337A - - Google Patents

Info

Publication number
GB1238337A
GB1238337A GB1238337DA GB1238337A GB 1238337 A GB1238337 A GB 1238337A GB 1238337D A GB1238337D A GB 1238337DA GB 1238337 A GB1238337 A GB 1238337A
Authority
GB
United Kingdom
Prior art keywords
fixed contacts
oil
contact
aug
stream
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
Other languages
English (en)
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
Priority claimed from DE19671640720 external-priority patent/DE1640720C/de
Application filed filed Critical
Publication of GB1238337A publication Critical patent/GB1238337A/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
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
    • H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
    • 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • 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
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
    • H01H33/7046—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions

Landscapes

  • Circuit Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
GB1238337D 1967-08-31 1968-08-30 Expired GB1238337A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671640720 DE1640720C (de) 1967-08-31 1967-08-31 Elektrischer strombegrenzender Flüssigkeitsschalter

Publications (1)

Publication Number Publication Date
GB1238337A true GB1238337A (enrdf_load_stackoverflow) 1971-07-07

Family

ID=5684105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238337D Expired GB1238337A (enrdf_load_stackoverflow) 1967-08-31 1968-08-30

Country Status (5)

Country Link
US (1) US3590191A (enrdf_load_stackoverflow)
BE (1) BE720113A (enrdf_load_stackoverflow)
CH (1) CH476388A (enrdf_load_stackoverflow)
FR (1) FR1582248A (enrdf_load_stackoverflow)
GB (1) GB1238337A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273977A (en) * 1977-08-31 1981-06-16 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
US4250365A (en) * 1978-03-22 1981-02-10 Electric Power Research Institute, Inc. Current interrupter for fault current limiter and method
JP4013505B2 (ja) * 2000-11-27 2007-11-28 住友金属工業株式会社 極低炭素薄鋼板とその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB299301A (en) * 1927-10-22 1929-07-25 Siemens Ag Switch with compressed air arc extinction
GB312276A (en) * 1928-05-23 1930-02-06 Siemens Ag A high potential switch for electric locomotives
DE610455C (de) * 1929-04-23 1935-03-11 Siemens Schuckertwerke Akt Ges Druckluftschalter mit Mehrfachunterbrechung
US2443017A (en) * 1944-07-18 1948-06-08 Gen Electric Electric arc extinguishing apparatus
DE963442C (de) * 1952-09-12 1957-05-09 Licentia Gmbh Druckgasschalter
US3327083A (en) * 1964-12-07 1967-06-20 Allis Chalmers Mfg Co Multi-chambered arc interrupter having fluid pump

Also Published As

Publication number Publication date
BE720113A (enrdf_load_stackoverflow) 1969-02-03
US3590191A (en) 1971-06-29
DE1640720B2 (de) 1973-11-15
DE1640720A1 (de) 1970-05-27
FR1582248A (enrdf_load_stackoverflow) 1969-09-26
CH476388A (de) 1969-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees