GB1401867A - Vacuum arc device - Google Patents

Vacuum arc device

Info

Publication number
GB1401867A
GB1401867A GB5253372A GB5253372A GB1401867A GB 1401867 A GB1401867 A GB 1401867A GB 5253372 A GB5253372 A GB 5253372A GB 5253372 A GB5253372 A GB 5253372A GB 1401867 A GB1401867 A GB 1401867A
Authority
GB
United Kingdom
Prior art keywords
electrodes
vacuum
assembly
ferrous
hardened
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
GB5253372A
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.)
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
Publication of GB1401867A publication Critical patent/GB1401867A/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

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Plasma Technology (AREA)
GB5253372A 1972-03-20 1972-11-14 Vacuum arc device Expired GB1401867A (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
GB1401867A true GB1401867A (en) 1975-08-06

Family

ID=22888857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5253372A Expired GB1401867A (en) 1972-03-20 1972-11-14 Vacuum arc device

Country Status (6)

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

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 (de) * 1980-09-06 1983-06-30 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Vakuumschalter
JPS58186589U (ja) * 1982-06-08 1983-12-12 株式会社白山製作所 通信用ガス入放電管形避雷器
DE3832493A1 (de) * 1988-09-22 1990-03-29 Siemens Ag Vakuumschaltroehre, eine solche schaltroehre enthaltender lasttrennschalter und verfahren zum betrieb eines solchen lasttrennschalters
JP2862231B1 (ja) * 1997-12-16 1999-03-03 芝府エンジニアリング株式会社 真空バルブ
DE19913236C2 (de) * 1999-03-23 2001-02-22 Siemens Ag Verfahren zur Strombegrenzung in Niederspannungsnetzen und zugehörige Anordnung
JP4818530B2 (ja) * 2001-04-19 2011-11-16 三菱電機株式会社 真空バルブ
KR101311686B1 (ko) * 2006-03-29 2013-09-25 미츠비시 마테리알 가부시키가이샤 서지 업소버
KR100599359B1 (ko) * 2006-04-03 2006-07-19 주식회사 그라운드 대지에 매설할 필요가 없는 접지장치

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 (enrdf_load_stackoverflow) 1978-02-10
DE2308913A1 (de) 1973-10-04
FR2176902A1 (enrdf_load_stackoverflow) 1973-11-02
JPS496435A (enrdf_load_stackoverflow) 1974-01-21
CA977407A (en) 1975-11-04

Similar Documents

Publication Publication Date Title
GB1401867A (en) Vacuum arc device
GB1527674A (en) Vertical welding method
GB1456362A (en) Submerged arc welding method and flux cored consumable electrode wire for use in same
ES453889A1 (es) Un procedimiento para mejorar las caracteristicas de resis- tencia-tenacidad de una aleacion metalica
GB1480285A (en) Electrodes
ES2192369T3 (es) Electrodo de soldadura de aleacion a base de niquel y aleacion correspondiente.
FR2387506A1 (fr) Disjoncteur limiteur de courant equipe de facon a accroitre la vitesse de passage de l'arc electrique
SE7706700L (sv) Metod for framstellning av kromhaltiga legeringar
DE3273958D1 (en) Shielded metal arc welding electrode for cr-mo low alloy steels
SE7408036L (enrdf_load_stackoverflow)
GB1318249A (en) Flux for submerged arc welding
GB1471520A (en) Welding materials
Wingert et al. The effect of graphite additions on the performance of silver-nickel contacts
GB1496744A (en) Weld metal
LAKOMSKIY et al. Plasma arc remelting
GB1521612A (en) Wear resisting high permeability alloy
DE532771C (de) Schalter mit Stiftkontakten, die in einem evakuierten oder mit indifferenten Gasen gefuellten, vakuumdicht abgeschmolzenen Gefaess arbeiten
GB1496594A (en) Heavy current switching apparatus
FR2403645A2 (fr) Four pour le traitement thermochimique, en continu, de pieces metalliques, par bombardement ionique
Cizner et al. Effect of Welding on Strength Degradation of Work-Hardened Cr 18 Ni 11 Steel
GB1138824A (en) Welding method and electrode
Yokoyama Cathodic Protection
Blanchet The welding of titanium(by fusion, electron beam, plasma arc and diffusion techniques)
GB900874A (en) Improvements in or relating to liquid contact electric switches
IUSHCHENKO et al. Principles of alloying steel and weld metal in structures designed for long-time operation at low temperatures(Steels and weld metal alloying for stable austenitic structure under long term cryogenic conditions, investigating optimal Cr, Ni, Mn and nitrogen combinations)

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee