CH517370A - Vakuumschalter - Google Patents

Vakuumschalter

Info

Publication number
CH517370A
CH517370A CH1440270A CH1440270A CH517370A CH 517370 A CH517370 A CH 517370A CH 1440270 A CH1440270 A CH 1440270A CH 1440270 A CH1440270 A CH 1440270A CH 517370 A CH517370 A CH 517370A
Authority
CH
Switzerland
Prior art keywords
vacuum switch
vacuum
switch
Prior art date
Application number
CH1440270A
Other languages
English (en)
Inventor
Nabae Akira
Arii Mitsuru
Arakawa Osamu
Sugiyama Sadao
Original Assignee
Tokyo Shibaura Electric Co
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 Tokyo Shibaura Electric Co filed Critical Tokyo Shibaura Electric Co
Publication of CH517370A publication Critical patent/CH517370A/de

Links

Classifications

    • 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
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • H01H1/0233—Composite material having a noble metal as the basic material and containing carbides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/027—Composite material containing carbon particles or fibres
CH1440270A 1970-03-20 1970-09-29 Vakuumschalter CH517370A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1349770 1970-03-20
US2339270A 1970-03-27 1970-03-27

Publications (1)

Publication Number Publication Date
CH517370A true CH517370A (de) 1971-12-31

Family

ID=26249812

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1440270A CH517370A (de) 1970-03-20 1970-09-29 Vakuumschalter

Country Status (7)

Country Link
US (1) US3683138A (de)
BE (1) BE756372A (de)
CH (1) CH517370A (de)
DE (1) DE2045173C3 (de)
FR (1) FR2083792A5 (de)
GB (1) GB1257417A (de)
NL (1) NL7103703A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996437A (en) * 1973-12-03 1976-12-07 Cutler-Hammer, Inc. Vacuum contactor for motor control and method of making
US3997748A (en) * 1975-06-23 1976-12-14 General Electric Company Vacuum interrupter with primary electrode surrounded by high dielectric strength shield
GB2050060B (en) * 1979-05-22 1983-05-18 Tokyo Shibaura Electric Co Vacuum switches
JPS579019A (en) * 1980-06-18 1982-01-18 Hitachi Ltd Electrode for vacuum breaker
GB2143595A (en) * 1983-07-18 1985-02-13 Bearing Technology Limited Plastics bearing
US4686338A (en) 1984-02-25 1987-08-11 Kabushiki Kaisha Meidensha Contact electrode material for vacuum interrupter and method of manufacturing the same
DE3428276A1 (de) * 1984-08-01 1986-02-06 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Werkstoff fuer elektrische kontakte auf der basis von silber mit wolframkarbid und verfahren zu seiner herstellung
US4940862A (en) * 1989-10-26 1990-07-10 Westinghouse Electric Corp. Vacuum interrupter with improved vapor shield for gas adsorption
JP2778826B2 (ja) * 1990-11-28 1998-07-23 株式会社東芝 真空バルブ用接点材料
JPH09161628A (ja) * 1995-12-13 1997-06-20 Shibafu Eng Kk 真空バルブ用接点材料及びその製造方法
JP3598195B2 (ja) * 1997-03-07 2004-12-08 芝府エンジニアリング株式会社 接点材料
JP3773644B2 (ja) * 1998-01-06 2006-05-10 芝府エンジニアリング株式会社 接点材料
TW200710905A (en) * 2005-07-07 2007-03-16 Hitachi Ltd Electrical contacts for vacuum circuit breakers and methods of manufacturing the same
US20100018843A1 (en) * 2008-07-24 2010-01-28 General Electric Company Low work function electrical component
US10468205B2 (en) 2016-12-13 2019-11-05 Eaton Intelligent Power Limited Electrical contact alloy for vacuum contactors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244627A (de) * 1958-07-24
US3014110A (en) * 1959-10-29 1961-12-19 Gen Electric Alternating current vacuum circuit interrupter
US3254189A (en) * 1961-05-15 1966-05-31 Westinghouse Electric Corp Electrical contact members having a plurality of refractory metal fibers embedded therein
GB1079013A (en) * 1964-04-21 1967-08-09 English Electric Co Ltd Improvements in or relating to contacts and electrodes

Also Published As

Publication number Publication date
GB1257417A (de) 1971-12-15
DE2045173A1 (de) 1971-10-07
DE2045173B2 (de) 1979-06-07
DE2045173C3 (de) 1980-02-14
NL7103703A (de) 1971-09-22
BE756372A (fr) 1971-03-01
FR2083792A5 (de) 1971-12-17
US3683138A (en) 1972-08-08

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Legal Events

Date Code Title Description
PL Patent ceased