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CA979958A - Vacuum type circuit interrupter having improved contacts - Google Patents

Vacuum type circuit interrupter having improved contacts

Info

Publication number
CA979958A
CA979958A CA170,336A CA170336A CA979958A CA 979958 A CA979958 A CA 979958A CA 170336 A CA170336 A CA 170336A CA 979958 A CA979958 A CA 979958A
Authority
CA
Canada
Prior art keywords
type circuit
circuit interrupter
vacuum type
improved contacts
contacts
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
CA170,336A
Other languages
English (en)
Inventor
Richard L. Hundstad
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA979958A publication Critical patent/CA979958A/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
CA170,336A 1972-05-03 1973-05-03 Vacuum type circuit interrupter having improved contacts Expired CA979958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00249990A US3836740A (en) 1972-05-03 1972-05-03 Vacuum type circuit interrupter having improved contacts

Publications (1)

Publication Number Publication Date
CA979958A true CA979958A (en) 1975-12-16

Family

ID=22945851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,336A Expired CA979958A (en) 1972-05-03 1973-05-03 Vacuum type circuit interrupter having improved contacts

Country Status (6)

Country Link
US (1) US3836740A (ro)
JP (2) JPS4941860A (ro)
CA (1) CA979958A (ro)
CH (1) CH567794A5 (ro)
DE (1) DE2321753A1 (ro)
GB (1) GB1423581A (ro)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2352540C3 (de) * 1973-10-18 1979-09-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vakuumschaltgefäß mit zentralen Kontaktflächen und Lichtbogenlaufflächen
GB1528777A (en) * 1975-01-10 1978-10-18 Westinghouse Electric Corp Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface
CH596686A5 (ro) * 1976-09-23 1978-03-15 Sprecher & Schuh Ag
JPS5816731B2 (ja) * 1977-12-28 1983-04-01 株式会社明電舎 真空しや断器の電極
JPS55161166A (en) * 1979-05-31 1980-12-15 Hideo Kurashima Building
US4386249A (en) * 1980-11-25 1983-05-31 Westinghouse Electric Corp. Vacuum circuit interrupter with auxiliary contact for plural arc path device with arc rotating means associated with the primary and auxiliary contacts
DE3422949A1 (de) * 1984-06-19 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Vakuumschaltroehre mit einer spule zum erzeugen eines magnetfeldes
JPS61126720A (ja) * 1984-11-22 1986-06-14 株式会社日立製作所 真空遮断器
DE3644453A1 (de) * 1986-12-24 1988-07-07 Licentia Gmbh Schaltstueck fuer leistungsschalter
US4797522A (en) * 1988-02-11 1989-01-10 Westinghouse Electric Corp. Vacuum-type circuit interrupter
JPH0696919B2 (ja) * 1989-02-08 1994-11-30 鹿島建設株式会社 窓のない室の構造
US5777287A (en) * 1996-12-19 1998-07-07 Eaton Corporation Axial magnetic field coil for vacuum interrupter
DE19934909C1 (de) * 1999-07-21 2001-06-13 Siemens Ag Kontaktanordnung für eine Vakuumschaltröhre
WO2001094724A1 (en) 2000-06-07 2001-12-13 Choi Young Jun Building structure
US8653396B2 (en) 2011-09-28 2014-02-18 Eaton Corporation Vacuum switch and hybrid switch assembly therefor
US9552941B1 (en) 2015-08-24 2017-01-24 Eaton Corporation Vacuum switching apparatus and electrical contact therefor
EP3144946A1 (en) * 2015-09-18 2017-03-22 ABB Schweiz AG Low voltage electrical contact system with enhanced arc blow effect
US9922777B1 (en) 2016-11-21 2018-03-20 Eaton Corporation Vacuum switching apparatus and electrical contact therefor
US10410813B1 (en) 2018-04-03 2019-09-10 Eaton Intelligent Power Limited Vacuum switching apparatus and electrical contact therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089936A (en) * 1960-02-23 1963-05-14 Gen Electric Contact structure for an electric circuit interrupter
FR1410884A (fr) * 1963-10-09 1965-09-10 Ass Elect Ind Perfectionnements apportés à des contacts destinés à des interrupteurs à vide
GB1098862A (en) * 1963-10-09 1968-01-10 Ass Elect Ind Improvements relating to vacuum switch contact assemblies
GB1090872A (en) * 1964-02-11 1967-11-15 Ass Elect Ind Improvements relating to vacuum switches
US3366762A (en) * 1965-04-16 1968-01-30 Gen Electric Arc controlling electrodes for switches and gaps
GB1095638A (en) * 1965-12-16 1967-12-20 Ass Elect Ind Improvements in or relating to vacuum switch contacts
GB1113837A (en) * 1966-04-25 1968-05-15 Ass Elect Ind Improvements relating to vacuum switch contacts
US3546406A (en) * 1966-11-21 1970-12-08 Westinghouse Electric Corp Vacuum-type circuit interrupter with hollow contacts
US3622724A (en) * 1970-02-24 1971-11-23 Gen Electric Vacuum-type circuit interrupter having contacts with improved arc-revolving means

Also Published As

Publication number Publication date
JPS4941860A (ro) 1974-04-19
JPS5778538U (ro) 1982-05-14
GB1423581A (en) 1976-02-04
CH567794A5 (ro) 1975-10-15
US3836740A (en) 1974-09-17
DE2321753A1 (de) 1973-11-15

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