GB2174549B - High current switch contacts - Google Patents

High current switch contacts

Info

Publication number
GB2174549B
GB2174549B GB8609929A GB8609929A GB2174549B GB 2174549 B GB2174549 B GB 2174549B GB 8609929 A GB8609929 A GB 8609929A GB 8609929 A GB8609929 A GB 8609929A GB 2174549 B GB2174549 B GB 2174549B
Authority
GB
United Kingdom
Prior art keywords
high current
current switch
switch contacts
contacts
switch
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
GB8609929A
Other versions
GB2174549A (en
GB8609929D0 (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
Original Assignee
VACUUM INTERRUPTERS
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 filed Critical VACUUM INTERRUPTERS
Publication of GB8609929D0 publication Critical patent/GB8609929D0/en
Publication of GB2174549A publication Critical patent/GB2174549A/en
Application granted granted Critical
Publication of GB2174549B publication Critical patent/GB2174549B/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
    • H01H33/6642—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
GB8609929A 1985-04-24 1986-04-23 High current switch contacts Expired GB2174549B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8609929D0 GB8609929D0 (en) 1986-05-29
GB2174549A GB2174549A (en) 1986-11-05
GB2174549B true GB2174549B (en) 1989-12-06

Family

ID=10578129

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858510441A Pending GB8510441D0 (en) 1985-04-24 1985-04-24 High current switch contacts
GB8609929A Expired GB2174549B (en) 1985-04-24 1986-04-23 High current switch contacts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858510441A Pending GB8510441D0 (en) 1985-04-24 1985-04-24 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
EP2715761B1 (en) * 2011-05-24 2015-03-04 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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1765263A1 (en) * 1968-04-25 1971-09-02 Calor Emag Elektrizitaets Ag Electric vacuum switch
GB1517896A (en) * 1976-03-30 1978-07-19 Siemens Ag Vacuum switches
GB1528777A (en) * 1975-01-10 1978-10-18 Westinghouse Electric Corp Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface
GB2071421A (en) * 1980-03-14 1981-09-16 Siemens Ag Contact elements for electric vacuum switches
EP0042152A1 (en) * 1980-06-18 1981-12-23 Hitachi, Ltd. Vacuum circuit breaker
EP0082801A1 (en) * 1981-12-23 1983-06-29 Siemens Aktiengesellschaft Vacuum switch with a ring to create an axial magnetic field
GB2140972A (en) * 1983-03-31 1984-12-05 Mc Graw Edison Co Vacuum switch contacts
EP0163593A1 (en) * 1984-04-26 1985-12-04 Siemens Aktiengesellschaft Contact arrangement for a vacuum switch
EP0175181A2 (en) * 1984-09-10 1986-03-26 Siemens Aktiengesellschaft Contact arrangement for vacuum switch

Family Cites Families (3)

* 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
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
GB8321368D0 (en) * 1983-08-09 1983-09-07 Vacuum Interrupters Ltd High current switch contacts

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1765263A1 (en) * 1968-04-25 1971-09-02 Calor Emag Elektrizitaets Ag Electric vacuum switch
GB1528777A (en) * 1975-01-10 1978-10-18 Westinghouse Electric Corp Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface
GB1517896A (en) * 1976-03-30 1978-07-19 Siemens Ag Vacuum switches
GB2071421A (en) * 1980-03-14 1981-09-16 Siemens Ag Contact elements for electric vacuum switches
EP0042152A1 (en) * 1980-06-18 1981-12-23 Hitachi, Ltd. Vacuum circuit breaker
EP0082801A1 (en) * 1981-12-23 1983-06-29 Siemens Aktiengesellschaft Vacuum switch with a ring to create an axial magnetic field
GB2140972A (en) * 1983-03-31 1984-12-05 Mc Graw Edison Co Vacuum switch contacts
EP0163593A1 (en) * 1984-04-26 1985-12-04 Siemens Aktiengesellschaft Contact arrangement for a vacuum switch
EP0175181A2 (en) * 1984-09-10 1986-03-26 Siemens Aktiengesellschaft Contact arrangement for vacuum switch

Also Published As

Publication number Publication date
ZA863064B (en) 1986-12-30
GB2174549A (en) 1986-11-05
GB8510441D0 (en) 1985-05-30
EP0199593A2 (en) 1986-10-29
GB8609929D0 (en) 1986-05-29
EP0199593A3 (en) 1988-01-07
IN166736B (en) 1990-07-14

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020423