EP0917171A3 - Disjoncteur sous vide, ampoule sous vide et électrodes pour le même - Google Patents

Disjoncteur sous vide, ampoule sous vide et électrodes pour le même Download PDF

Info

Publication number
EP0917171A3
EP0917171A3 EP98121200A EP98121200A EP0917171A3 EP 0917171 A3 EP0917171 A3 EP 0917171A3 EP 98121200 A EP98121200 A EP 98121200A EP 98121200 A EP98121200 A EP 98121200A EP 0917171 A3 EP0917171 A3 EP 0917171A3
Authority
EP
European Patent Office
Prior art keywords
electrodes
vacuum
breaker
bulb
vacuum bulb
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.)
Withdrawn
Application number
EP98121200A
Other languages
German (de)
English (en)
Other versions
EP0917171A2 (fr
Inventor
Shigeru Kikuchi
Masato Kobayashi
Katsuhiro Komuro
Toru Tanimizu
Yoshimi Hakamata
Kathumi Kuroda
Hitoshi Okabe
Noboru Baba
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0917171A2 publication Critical patent/EP0917171A2/fr
Publication of EP0917171A3 publication Critical patent/EP0917171A3/fr
Withdrawn legal-status Critical Current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
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • 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

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP98121200A 1997-11-14 1998-11-13 Disjoncteur sous vide, ampoule sous vide et électrodes pour le même Withdrawn EP0917171A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31310597 1997-11-14
JP31310597 1997-11-14
JP313105/97 1997-11-14

Publications (2)

Publication Number Publication Date
EP0917171A2 EP0917171A2 (fr) 1999-05-19
EP0917171A3 true EP0917171A3 (fr) 1999-07-28

Family

ID=18037221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121200A Withdrawn EP0917171A3 (fr) 1997-11-14 1998-11-13 Disjoncteur sous vide, ampoule sous vide et électrodes pour le même

Country Status (1)

Country Link
EP (1) EP0917171A3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6248969B1 (en) * 1997-09-19 2001-06-19 Hitachi, Ltd. Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor
JP4197702B2 (ja) 2006-01-31 2008-12-17 株式会社日立製作所 真空絶縁スイッチギヤ
JP5409739B2 (ja) * 2011-09-27 2014-02-05 株式会社日立製作所 接合構造、電気接点、その製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828428A (en) * 1972-09-25 1974-08-13 Westinghouse Electric Corp Matrix-type electrodes having braze-penetration barrier
US4743718A (en) * 1987-07-13 1988-05-10 Westinghouse Electric Corp. Electrical contacts for vacuum interrupter devices
DE19513790A1 (de) * 1994-04-11 1995-10-19 Hitachi Ltd Unterdruckventil, Verfahren zum herstellen eines solchen, Vakuumtrennschalter mit einem Unterdruckventil sowie Verfahren zum Herstellen eines solchen
RU2063087C1 (ru) * 1994-03-25 1996-06-27 Товарищество с ограниченной ответственностью "КАНПАК" Способ изготовления контактов вакуумных дугогасительных камер

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828428A (en) * 1972-09-25 1974-08-13 Westinghouse Electric Corp Matrix-type electrodes having braze-penetration barrier
US4743718A (en) * 1987-07-13 1988-05-10 Westinghouse Electric Corp. Electrical contacts for vacuum interrupter devices
RU2063087C1 (ru) * 1994-03-25 1996-06-27 Товарищество с ограниченной ответственностью "КАНПАК" Способ изготовления контактов вакуумных дугогасительных камер
DE19513790A1 (de) * 1994-04-11 1995-10-19 Hitachi Ltd Unterdruckventil, Verfahren zum herstellen eines solchen, Vakuumtrennschalter mit einem Unterdruckventil sowie Verfahren zum Herstellen eines solchen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section EI Week 9710, Derwent World Patents Index; Class X13, AN 97-107019, XP002104631 *

Also Published As

Publication number Publication date
EP0917171A2 (fr) 1999-05-19

Similar Documents

Publication Publication Date Title
EP0905726A3 (fr) Interrupteur à vide, enveloppe à vide et disposition d'électrodes utilisée par celle-ci
EP0893811A3 (fr) Interrupteur à vide et son utilisation dans une installation de commutation à vide
HK1042098A1 (en) Interferon-beta fusion proteins and uses
EP1033551A3 (fr) Cellule de décharge pour la génération d'un plasma sous pression pour le sautage
EP0849751A3 (fr) Bobine à champ magnétique axial pour interrupteur à vide
EP1775734A3 (fr) Composition électriquement conducteur, revêtement électriquement conducteur et procédé de formation d'un revêtement électriquement conducteur
EP0204262A1 (fr) Interrupteur à vide
EP1284487A3 (fr) Blindage de transformateur
EP0971043A3 (fr) Cermet et lampe à décharge céramique
EP0913855A3 (fr) Lampe à arc court
EP1124240A3 (fr) Interrupteur à vide
EP0996184A3 (fr) Anode de haute performance pour pile à combustible à oxyde solide
EP0910111A3 (fr) Lampe miniature de projection
EP0917171A3 (fr) Disjoncteur sous vide, ampoule sous vide et électrodes pour le même
EP0875913A3 (fr) Ensemble interrupteur thermique
ATE276584T1 (de) Metallhalogenidlampe mit keramischem entladungsgefäss
GB1571563A (en) Vacuum switches
EP1233660A3 (fr) Eléments émetteurs en métal pulvérisé
EP0863526A3 (fr) Dispositif de commutation isolé
EP0731478A3 (fr) Electrode de contact pour interrupteur à vide
ES2141979T3 (es) Material de sinterizacion a base de plata-oxido de estaño para contactos electricos y procedimiento para su preparacion.
EP0118844A2 (fr) Interrupteur à vide et méthode de sa fabrication
WO2003054900A3 (fr) Tube a vide et son procede de fabrication
EP0755173A3 (fr) Lampe à décharge avec suppression d'arc en fin de vie utile
EP1085542A3 (fr) Commutateur électrique rotatif et contact pour ce commutateur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19990811

AKX Designation fees paid

Free format text: DE FR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20040430