GB1473979A - Arc electrodes - Google Patents

Arc electrodes

Info

Publication number
GB1473979A
GB1473979A GB2637975A GB2637975A GB1473979A GB 1473979 A GB1473979 A GB 1473979A GB 2637975 A GB2637975 A GB 2637975A GB 2637975 A GB2637975 A GB 2637975A GB 1473979 A GB1473979 A GB 1473979A
Authority
GB
United Kingdom
Prior art keywords
sheet metal
metal members
zirconium
contact elements
sheets
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
GB2637975A
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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 Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of GB1473979A publication Critical patent/GB1473979A/en
Expired legal-status Critical Current

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
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/664Contacts; Arc-extinguishing means, e.g. arcing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/664Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6646Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
GB2637975A 1974-07-15 1975-06-20 Arc electrodes Expired GB1473979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH969174A CH559419A5 (enrdf_load_stackoverflow) 1974-07-15 1974-07-15

Publications (1)

Publication Number Publication Date
GB1473979A true GB1473979A (en) 1977-05-18

Family

ID=4354604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2637975A Expired GB1473979A (en) 1974-07-15 1975-06-20 Arc electrodes

Country Status (5)

Country Link
JP (1) JPS5131869A (enrdf_load_stackoverflow)
AT (1) AT336128B (enrdf_load_stackoverflow)
CH (1) CH559419A5 (enrdf_load_stackoverflow)
DE (1) DE2526225A1 (enrdf_load_stackoverflow)
GB (1) GB1473979A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714654A1 (de) * 1997-04-09 1998-10-15 Abb Patent Gmbh Vakuumschaltkammer mit einem festen und einem beweglichen Kontaktstück und/oder einem Schirm von denen wenigstens die Kontaktstücke wenigstens teilweise aus Cu/Cr, Cu/CrX oder Cu/CrXY bestehen

Also Published As

Publication number Publication date
AT336128B (de) 1977-04-25
JPS5131869A (ja) 1976-03-18
DE2526225A1 (de) 1976-01-29
ATA395175A (de) 1976-08-15
CH559419A5 (enrdf_load_stackoverflow) 1975-02-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee