SE302987B - - Google Patents

Info

Publication number
SE302987B
SE302987B SE422760A SE422760A SE302987B SE 302987 B SE302987 B SE 302987B SE 422760 A SE422760 A SE 422760A SE 422760 A SE422760 A SE 422760A SE 302987 B SE302987 B SE 302987B
Authority
SE
Sweden
Prior art keywords
zirconium
april
contacts
metal
gettering
Prior art date
Application number
SE422760A
Other languages
English (en)
Inventor
K Brown
Original Assignee
English Electric Co 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of SE302987B publication Critical patent/SE302987B/xx

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
    • H01H33/668—Means for obtaining or monitoring the vacuum
    • H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
    • 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

Landscapes

  • Contacts (AREA)
SE422760A 1959-04-30 1960-04-28 SE302987B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1476459A GB947152A (en) 1959-04-30 1959-04-30 Improvements in or relating to high-vacuum circuit interupter

Publications (1)

Publication Number Publication Date
SE302987B true SE302987B (es) 1968-08-12

Family

ID=10047078

Family Applications (1)

Application Number Title Priority Date Filing Date
SE422760A SE302987B (es) 1959-04-30 1960-04-28

Country Status (4)

Country Link
CH (1) CH365123A (es)
GB (1) GB947152A (es)
MY (1) MY6700087A (es)
SE (1) SE302987B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463892A (en) * 1966-06-29 1969-08-26 Allis Chalmers Mfg Co Contact supporting stud and method for making the same
JPS5122267Y1 (es) * 1970-03-13 1976-06-09

Also Published As

Publication number Publication date
CH365123A (fr) 1962-10-31
MY6700087A (en) 1967-12-31
GB947152A (en) 1964-01-22

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