GB1343227A - Electrical contact - Google Patents

Electrical contact

Info

Publication number
GB1343227A
GB1343227A GB715472A GB715472A GB1343227A GB 1343227 A GB1343227 A GB 1343227A GB 715472 A GB715472 A GB 715472A GB 715472 A GB715472 A GB 715472A GB 1343227 A GB1343227 A GB 1343227A
Authority
GB
United Kingdom
Prior art keywords
electrical contact
electrical
contact
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
GB715472A
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.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers Corp
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 Allis Chalmers Corp filed Critical Allis Chalmers Corp
Publication of GB1343227A publication Critical patent/GB1343227A/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
    • H01H33/6643—Contacts; Arc-extinguishing means, e.g. arcing rings having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
GB715472A 1971-02-16 1972-02-16 Electrical contact Expired GB1343227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11559471A 1971-02-16 1971-02-16

Publications (1)

Publication Number Publication Date
GB1343227A true GB1343227A (en) 1974-01-10

Family

ID=22362327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB715472A Expired GB1343227A (en) 1971-02-16 1972-02-16 Electrical contact

Country Status (4)

Country Link
US (1) US3711665A (en)
CA (1) CA943585A (en)
DE (1) DE2207242A1 (en)
GB (1) GB1343227A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2352540C3 (en) * 1973-10-18 1979-09-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vacuum switching vessel with central contact surfaces and arc contact surfaces
JPS6129151Y2 (en) * 1979-10-09 1986-08-28
DE3009925C2 (en) * 1980-03-14 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Contact piece for an electrical vacuum switch
DE3112009A1 (en) * 1981-03-26 1982-10-07 Siemens AG, 1000 Berlin und 8000 München "CONTACT ARRANGEMENT FOR VACUUM SWITCHES"
DE3232708A1 (en) * 1982-08-31 1984-03-01 Siemens AG, 1000 Berlin und 8000 München VACUUM SWITCH TUBES WITH SCREW LINE SHAPED CABLE
US4513186A (en) * 1982-12-22 1985-04-23 Westinghouse Electric Corp. Vacuum interrupter contact structure and method of fabrication
DE8437054U1 (en) * 1984-12-18 1986-06-26 Siemens AG, 1000 Berlin und 8000 München Switching contact for a vacuum interrupter
JPS6388721A (en) * 1986-09-30 1988-04-19 三菱電機株式会社 Electrode structure for vacuum breaker
US4999463A (en) * 1988-10-18 1991-03-12 Square D Company Arc stalling eliminating device and system
EP0740321A3 (en) * 1995-04-26 1998-04-22 Hitachi, Ltd. Electrode for vacuum circuit breaker
US6747233B1 (en) 2001-12-28 2004-06-08 Abb Technology Ag Non-linear magnetic field distribution in vacuum interrupter contacts
CN105390335B (en) * 2015-12-17 2018-06-29 中国西电电气股份有限公司 A kind of self-energy extinguishing chamber for increasing thermal expansion effects

Family Cites Families (4)

* 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
US3327081A (en) * 1964-11-25 1967-06-20 Allis Chalmers Mfg Co Contact with high resistance material insert
US3366762A (en) * 1965-04-16 1968-01-30 Gen Electric Arc controlling electrodes for switches and gaps
US3462572A (en) * 1966-10-03 1969-08-19 Gen Electric Vacuum type circuit interrupter having contacts provided with improved arcpropelling means

Also Published As

Publication number Publication date
US3711665A (en) 1973-01-16
DE2207242A1 (en) 1972-08-31
CA943585A (en) 1974-03-12

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Legal Events

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