EP0199593A3 - High current switch contacts - Google Patents

High current switch contacts Download PDF

Info

Publication number
EP0199593A3
EP0199593A3 EP86303053A EP86303053A EP0199593A3 EP 0199593 A3 EP0199593 A3 EP 0199593A3 EP 86303053 A EP86303053 A EP 86303053A EP 86303053 A EP86303053 A EP 86303053A EP 0199593 A3 EP0199593 A3 EP 0199593A3
Authority
EP
European Patent Office
Prior art keywords
high current
current switch
switch contacts
slots
centre
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Withdrawn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
EP86303053A
Other languages
German (de)
French (fr)
Other versions
EP0199593A2 (en
Inventor
Leslie Thomas Falkingham
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.)
VACUUM INTERRUPTERS Ltd
Original Assignee
VACUUM INTERRUPTERS 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 VACUUM INTERRUPTERS Ltd filed Critical VACUUM INTERRUPTERS Ltd
Publication of EP0199593A2 publication Critical patent/EP0199593A2/en
Publication of EP0199593A3 publication Critical patent/EP0199593A3/en
Withdrawn legal-status Critical Current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
    • H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil

Abstract

A contact for an electrical switch, more especially a vacuum switch, comprises a generally circular conducting member having slots extending from its periphery towards its centre, and a ring of high temperature resistant material covering at least part of the exposed edges of the slots.
EP86303053A 1985-04-24 1986-04-23 High current switch contacts Withdrawn EP0199593A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8510441 1985-04-24
GB858510441A GB8510441D0 (en) 1985-04-24 1985-04-24 High current switch contacts

Publications (2)

Publication Number Publication Date
EP0199593A2 EP0199593A2 (en) 1986-10-29
EP0199593A3 true EP0199593A3 (en) 1988-01-07

Family

ID=10578129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86303053A Withdrawn EP0199593A3 (en) 1985-04-24 1986-04-23 High current switch contacts

Country Status (4)

Country Link
EP (1) EP0199593A3 (en)
GB (2) GB8510441D0 (en)
IN (1) IN166736B (en)
ZA (1) ZA863064B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4119191C2 (en) * 1991-06-11 1997-07-03 Abb Patent Gmbh Contact arrangement for a vacuum interrupter
JPH05159851A (en) * 1991-12-06 1993-06-25 Mitsubishi Electric Corp High current density glow discharge switch
JP2861757B2 (en) * 1992-11-10 1999-02-24 三菱電機株式会社 Electrode device for vacuum valve
DE102005027268B3 (en) * 2005-06-08 2007-01-04 Siemens Ag Contact arrangement for vacuum switch
WO2012159669A1 (en) * 2011-05-24 2012-11-29 Alstom Technology Ltd Vacuum interrupter
CN103296579B (en) * 2013-05-10 2015-05-20 华中科技大学 Surface-breakdown-type vacuum switch trigger electrode
CN103456555A (en) * 2013-07-31 2013-12-18 华中科技大学 Vacuum switch trigger electrode structure with arc blocking disk
DE102017222400B3 (en) 2017-12-11 2019-03-21 Siemens Aktiengesellschaft Stiffened and field-optimized switching contact for vacuum interrupters and a vacuum interrupter with such switching contacts
DE102019135459A1 (en) * 2019-12-20 2021-06-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. Device for breaking an electrical circuit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280286A (en) * 1964-07-03 1966-10-18 Mc Graw Edison Co Vacuum-type circuit interrupter
DE1765263A1 (en) * 1968-04-25 1971-09-02 Calor Emag Elektrizitaets Ag Electric vacuum switch
DE2939695A1 (en) * 1979-09-29 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Moving contact for high voltage vacuum switch - has ring shaped contact surface with flat and sloping regions in specified ratio
GB2071421A (en) * 1980-03-14 1981-09-16 Siemens Ag Contact elements for electric vacuum switches
GB2140972A (en) * 1983-03-31 1984-12-05 Mc Graw Edison Co Vacuum switch contacts
EP0133368A2 (en) * 1983-08-09 1985-02-20 Vacuum Interrupters Limited High current switch contact

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528777A (en) * 1975-01-10 1978-10-18 Westinghouse Electric Corp Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface
DE2613567C3 (en) * 1976-03-30 1980-02-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Contact arrangement for vacuum switch
JPS579019A (en) * 1980-06-18 1982-01-18 Hitachi Ltd Electrode for vacuum breaker
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
DE3415743A1 (en) * 1984-04-26 1985-10-31 Siemens AG, 1000 Berlin und 8000 München CONTACT ARRANGEMENT FOR A VACUUM SWITCH
US4675483A (en) * 1984-09-10 1987-06-23 Siemens Aktiengesellschaft Contact arrangement for vacuum switches

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280286A (en) * 1964-07-03 1966-10-18 Mc Graw Edison Co Vacuum-type circuit interrupter
DE1765263A1 (en) * 1968-04-25 1971-09-02 Calor Emag Elektrizitaets Ag Electric vacuum switch
DE2939695A1 (en) * 1979-09-29 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Moving contact for high voltage vacuum switch - has ring shaped contact surface with flat and sloping regions in specified ratio
GB2071421A (en) * 1980-03-14 1981-09-16 Siemens Ag Contact elements for electric vacuum switches
GB2140972A (en) * 1983-03-31 1984-12-05 Mc Graw Edison Co Vacuum switch contacts
EP0133368A2 (en) * 1983-08-09 1985-02-20 Vacuum Interrupters Limited High current switch contact

Also Published As

Publication number Publication date
GB8609929D0 (en) 1986-05-29
EP0199593A2 (en) 1986-10-29
IN166736B (en) 1990-07-14
GB2174549B (en) 1989-12-06
ZA863064B (en) 1986-12-30
GB8510441D0 (en) 1985-05-30
GB2174549A (en) 1986-11-05

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Inventor name: FALKINGHAM, LESLIE THOMAS