GB825062A - Improvements in vacuum type electric circuit breakers - Google Patents

Improvements in vacuum type electric circuit breakers

Info

Publication number
GB825062A
GB825062A GB10462/56A GB1046256A GB825062A GB 825062 A GB825062 A GB 825062A GB 10462/56 A GB10462/56 A GB 10462/56A GB 1046256 A GB1046256 A GB 1046256A GB 825062 A GB825062 A GB 825062A
Authority
GB
United Kingdom
Prior art keywords
electric circuit
april
type electric
circuit breakers
vacuum type
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
GB10462/56A
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.)
Cegelec SA
Original Assignee
Cegelec SA
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 Cegelec SA filed Critical Cegelec SA
Publication of GB825062A publication Critical patent/GB825062A/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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
    • H01H33/6645—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact in which the coil like electrical connections encircle at least once the contact rod

Landscapes

  • Measuring Fluid Pressure (AREA)
GB10462/56A 1955-04-08 1956-04-05 Improvements in vacuum type electric circuit breakers Expired GB825062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1124649T 1955-04-08

Publications (1)

Publication Number Publication Date
GB825062A true GB825062A (en) 1959-12-09

Family

ID=9634023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10462/56A Expired GB825062A (en) 1955-04-08 1956-04-05 Improvements in vacuum type electric circuit breakers

Country Status (2)

Country Link
FR (1) FR1124649A (fr)
GB (1) GB825062A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153827A (en) * 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153827A (en) * 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device

Also Published As

Publication number Publication date
FR1124649A (fr) 1956-10-15

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