SG154383A1 - Electrical contact for vacuum valve - Google Patents

Electrical contact for vacuum valve

Info

Publication number
SG154383A1
SG154383A1 SG200809339-5A SG2008093395A SG154383A1 SG 154383 A1 SG154383 A1 SG 154383A1 SG 2008093395 A SG2008093395 A SG 2008093395A SG 154383 A1 SG154383 A1 SG 154383A1
Authority
SG
Singapore
Prior art keywords
electrical contact
contact
vacuum valve
high conductive
layer
Prior art date
Application number
SG200809339-5A
Other languages
English (en)
Inventor
Shigeru Kikuchi
Satoru Kajiwara
Masato Kobayashi
Misuk Yamazaki
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG154383A1 publication Critical patent/SG154383A1/en

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
    • H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H01H11/045—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion with the help of an intermediate layer

Landscapes

  • Contacts (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Powder Metallurgy (AREA)
SG200809339-5A 2008-01-21 2008-12-17 Electrical contact for vacuum valve SG154383A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008009969A JP4979604B2 (ja) 2008-01-21 2008-01-21 真空バルブ用電気接点

Publications (1)

Publication Number Publication Date
SG154383A1 true SG154383A1 (en) 2009-08-28

Family

ID=40467096

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200809339-5A SG154383A1 (en) 2008-01-21 2008-12-17 Electrical contact for vacuum valve

Country Status (7)

Country Link
US (1) US8426754B2 (ja)
EP (1) EP2081200B1 (ja)
JP (1) JP4979604B2 (ja)
CN (1) CN101494124B (ja)
AT (1) ATE523888T1 (ja)
SG (1) SG154383A1 (ja)
TW (1) TWI449072B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011108380A (ja) * 2009-11-13 2011-06-02 Hitachi Ltd 真空バルブ用電気接点およびそれを用いた真空遮断器
JP5281192B2 (ja) * 2010-02-24 2013-09-04 三菱電機株式会社 真空バルブ
CN102286673B (zh) * 2011-08-29 2013-04-17 上海理工大学 一种CuCr25Me合金铸坯的制备方法
EP2624273B1 (en) * 2012-02-03 2015-04-01 ABB Technology AG Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material
CN102881511B (zh) * 2012-09-21 2016-04-13 西安交通大学 一种具有控制真空电弧定向扩展运动功能的触头
US9378908B2 (en) * 2013-09-04 2016-06-28 Eaton Corporation Vacuum switching apparatus and contact assembly therefor
JP6311325B2 (ja) * 2014-01-23 2018-04-18 株式会社明電舎 電極材料及び電極材料の製造方法
JP6382069B2 (ja) * 2014-10-30 2018-08-29 株式会社日立産機システム スイッチギヤ
JP6342090B2 (ja) * 2016-04-19 2018-06-13 三菱電機株式会社 真空バルブ
JP7109659B2 (ja) * 2019-04-23 2022-07-29 三菱電機株式会社 真空バルブ
EP3959784A4 (en) * 2019-04-24 2023-05-03 CR Flight L.L.C. SLIDER RING ASSEMBLY WITH MATCHED POWER TRANSMISSION BANDS
EP3733451B1 (en) * 2019-04-30 2022-07-13 Lear Corporation Actuator
FR3118278A1 (fr) * 2020-12-23 2022-06-24 Schneider Electric Industries Sas Contact de coupure électrique
EP4254451A1 (en) * 2022-03-30 2023-10-04 Abb Schweiz Ag Vacuum interrupter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947562A1 (de) * 1979-11-26 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Kontaktanordnung fuer vakuumschalter
JPS60212921A (ja) * 1984-04-09 1985-10-25 株式会社日立製作所 真空しや断器電極
JPH0731966B2 (ja) * 1985-07-12 1995-04-10 株式会社日立製作所 真空しや断器
JPH0520979A (ja) * 1991-07-12 1993-01-29 Hitachi Ltd 真空遮断器
JP2874522B2 (ja) 1993-07-14 1999-03-24 株式会社日立製作所 真空遮断器及びそれに用いる真空バルブと真空バルブ用電極並びにその製造法
US6248969B1 (en) * 1997-09-19 2001-06-19 Hitachi, Ltd. Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor
JP2001135206A (ja) * 1999-11-05 2001-05-18 Hitachi Ltd 電極及び真空バルブ用電極と真空バルブ並びに真空開閉器
JP3825275B2 (ja) 2001-04-13 2006-09-27 株式会社日立製作所 電気接点部材とその製法
JP2005135778A (ja) 2003-10-31 2005-05-26 Hitachi Ltd 電気接点とその製造法及び真空バルブ用電極とそれを用いた真空バルブ並びに真空遮断器
JP4455066B2 (ja) * 2004-01-08 2010-04-21 株式会社日立製作所 電気接点部材とその製法及びそれを用いた真空バルブ並びに真空遮断器
JP4630686B2 (ja) * 2004-03-22 2011-02-09 芝府エンジニアリング株式会社 複合接点
JP4759987B2 (ja) 2004-11-15 2011-08-31 株式会社日立製作所 電極および電気接点とその製法
DE102005003812A1 (de) * 2005-01-27 2006-10-05 Abb Technology Ag Verfahren zur Herstellung eines Kontaktstückes, sowie Kontaktstück für eine Vakuumschaltkammer selbst

Also Published As

Publication number Publication date
JP4979604B2 (ja) 2012-07-18
EP2081200B1 (en) 2011-09-07
EP2081200A2 (en) 2009-07-22
US20090184274A1 (en) 2009-07-23
TWI449072B (zh) 2014-08-11
CN101494124A (zh) 2009-07-29
JP2009170372A (ja) 2009-07-30
CN101494124B (zh) 2011-10-12
US8426754B2 (en) 2013-04-23
ATE523888T1 (de) 2011-09-15
TW200941530A (en) 2009-10-01
EP2081200A3 (en) 2010-03-17

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