CA977407A - Vacuum arc devices with ferrous electrodes - Google Patents

Vacuum arc devices with ferrous electrodes

Info

Publication number
CA977407A
CA977407A CA166,911A CA166911A CA977407A CA 977407 A CA977407 A CA 977407A CA 166911 A CA166911 A CA 166911A CA 977407 A CA977407 A CA 977407A
Authority
CA
Canada
Prior art keywords
vacuum arc
arc devices
ferrous
electrodes
ferrous electrodes
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
CA166,911A
Other versions
CA166911S (en
Inventor
Lawson P. Harris
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA977407A publication Critical patent/CA977407A/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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/20—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
CA166,911A 1972-03-20 1973-03-12 Vacuum arc devices with ferrous electrodes Expired CA977407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23627872A 1972-03-20 1972-03-20

Publications (1)

Publication Number Publication Date
CA977407A true CA977407A (en) 1975-11-04

Family

ID=22888857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,911A Expired CA977407A (en) 1972-03-20 1973-03-12 Vacuum arc devices with ferrous electrodes

Country Status (6)

Country Link
US (1) US3769538A (en)
JP (1) JPS496435A (en)
CA (1) CA977407A (en)
DE (1) DE2308913A1 (en)
FR (1) FR2176902B1 (en)
GB (1) GB1401867A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825789A (en) * 1973-06-29 1974-07-23 Gen Electric Vacuum arc devices with hard, ductile, ferrous electrodes
US3851203A (en) * 1973-07-30 1974-11-26 Gen Electric Vacuum arc devices with improved arcing shields
US3969598A (en) * 1975-02-03 1976-07-13 General Electric Company Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel
CA1084565A (en) * 1976-07-21 1980-08-26 James M. Lafferty High-current vacuum switch with reduced contact erosion
US4063126A (en) * 1977-02-16 1977-12-13 General Electric Company Vacuum arc discharge device with tapered rod electrodes
US4126808A (en) * 1977-09-02 1978-11-21 Electric Power Research Institute, Inc. High voltage two stage triggered vacuum gap
DE3150974A1 (en) * 1980-09-06 1983-06-30 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Vacuum circuit breaker
JPS58186589U (en) * 1982-06-08 1983-12-12 株式会社白山製作所 Gas-filled discharge tube type lightning arrester for communications
DE3832493A1 (en) * 1988-09-22 1990-03-29 Siemens Ag VACUUM SWITCH TUBES, A SWITCH DISCONNECT CONTAINING SUCH A SWITCH TUBE AND METHOD FOR OPERATING SUCH A SWITCH DISCONNECTOR
JP2862231B1 (en) * 1997-12-16 1999-03-03 芝府エンジニアリング株式会社 Vacuum valve
DE19913236C2 (en) * 1999-03-23 2001-02-22 Siemens Ag Current limiting method in low-voltage networks and associated arrangement
JP4818530B2 (en) * 2001-04-19 2011-11-16 三菱電機株式会社 Vacuum valve
TWI361536B (en) * 2006-03-29 2012-04-01 Mitsubishi Materials Corp Surge absorber
KR100599359B1 (en) * 2006-04-03 2006-07-19 주식회사 그라운드 Earthing device which needs not be buried under ground

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1582330A (en) * 1919-05-17 1926-04-27 Leon S Brach Lightning-arrester construction
US3189777A (en) * 1961-06-19 1965-06-15 Westinghouse Electric Corp Low-pressure electric discharge lamp, and electrode assembly therefor, having martensitic stainless steel anode
US3471734A (en) * 1967-05-19 1969-10-07 Gen Electric Periodic electrode structure for vacuum gap devices
US3679474A (en) * 1971-01-18 1972-07-25 Gen Electric Periodic electrode structure for vacuum gap devices

Also Published As

Publication number Publication date
US3769538A (en) 1973-10-30
FR2176902B1 (en) 1978-02-10
JPS496435A (en) 1974-01-21
FR2176902A1 (en) 1973-11-02
GB1401867A (en) 1975-08-06
DE2308913A1 (en) 1973-10-04

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