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CA977808A - Vacuum type electric circuit breaker - Google Patents

Vacuum type electric circuit breaker

Info

Publication number
CA977808A
CA977808A CA151,947A CA151947A CA977808A CA 977808 A CA977808 A CA 977808A CA 151947 A CA151947 A CA 151947A CA 977808 A CA977808 A CA 977808A
Authority
CA
Canada
Prior art keywords
circuit breaker
electric circuit
type electric
vacuum type
vacuum
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
CA151,947A
Other versions
CA151947S (en
Inventor
Shigeo Soma
Osami Morimiya
Hirohiko Mizutani
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Application granted granted Critical
Publication of CA977808A publication Critical patent/CA977808A/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
    • 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
    • H01H33/6643—Contacts; Arc-extinguishing means, e.g. arcing rings having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
    • 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
    • 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
CA151,947A 1971-09-16 1972-09-18 Vacuum type electric circuit breaker Expired CA977808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46071224A JPS5139355B2 (en) 1971-09-16 1971-09-16

Publications (1)

Publication Number Publication Date
CA977808A true CA977808A (en) 1975-11-11

Family

ID=13454479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,947A Expired CA977808A (en) 1971-09-16 1972-09-18 Vacuum type electric circuit breaker

Country Status (3)

Country Link
US (1) US3818164A (en)
JP (1) JPS5139355B2 (en)
CA (1) CA977808A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547945B2 (en) * 1973-06-30 1979-04-11
SE392781B (en) * 1973-09-10 1977-04-18 Tokyo Shibaura Electric Co VACUUM SWITCH
JPS583333B2 (en) * 1974-04-05 1983-01-20 株式会社東芝 Shinkushiyadanki
DE2352540C3 (en) * 1973-10-18 1979-09-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vacuum switching vessel with central contact surfaces and arc contact surfaces
US3980850A (en) * 1974-12-19 1976-09-14 Westinghouse Electric Corporation Vacuum interrupter with cup-shaped contact having an inner arc controlling electrode
NL161608C (en) * 1976-02-03 1980-02-15 Hazemeijer Bv VACUUM SWITCH.
DE2613567C3 (en) * 1976-03-30 1980-02-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Contact arrangement for vacuum switch
JPS5760768Y2 (en) * 1977-07-29 1982-12-24
DE2740994C3 (en) * 1977-09-12 1980-09-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vacuum switch
US4260864A (en) * 1978-11-30 1981-04-07 Westinghouse Electric Corp. Vacuum-type circuit interrupter with an improved contact with axial magnetic field coil
US4451813A (en) * 1981-06-10 1984-05-29 Japan Radio Company, Ltd. Vacuum fuse having magnetic flux generating means for moving arc
DE3151907A1 (en) * 1981-12-23 1983-06-30 Siemens AG, 1000 Berlin und 8000 München VACUUM SWITCH TUBES WITH A RING TO GENERATE AN AXIAL MAGNETIC FIELD
GB8321368D0 (en) * 1983-08-09 1983-09-07 Vacuum Interrupters Ltd High current switch contacts
GB8510442D0 (en) * 1985-04-24 1985-05-30 Vacuum Interrupters Ltd High current switch contacts
DE19503661A1 (en) * 1995-01-24 1996-07-25 Slamecka Ernst Vacuum switch contact arrangement
DE19509714A1 (en) * 1995-03-10 1996-09-12 Slamecka Ernst Vacuum circuit-breaker switch contact arrangement for medium to high voltages
EP4170692A4 (en) * 2020-06-17 2023-08-09 Mitsubishi Electric Corporation Vacuum valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244843A (en) * 1963-10-16 1966-04-05 Jennings Radio Mfg Corp Arc-controlling auxiliary contact assembly for electric switches
US3280286A (en) * 1964-07-03 1966-10-18 Mc Graw Edison Co Vacuum-type circuit interrupter
US3480821A (en) * 1967-12-18 1969-11-25 Gen Electric Stabilized vacuum gap device with elementary electrode structure

Also Published As

Publication number Publication date
JPS5139355B2 (en) 1976-10-27
US3818164A (en) 1974-06-18
JPS4837663A (en) 1973-06-02

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