ZA767617B - An improvement in or relating to low voltage vacuum shorting switch - Google Patents

An improvement in or relating to low voltage vacuum shorting switch

Info

Publication number
ZA767617B
ZA767617B ZA767617A ZA767617A ZA767617B ZA 767617 B ZA767617 B ZA 767617B ZA 767617 A ZA767617 A ZA 767617A ZA 767617 A ZA767617 A ZA 767617A ZA 767617 B ZA767617 B ZA 767617B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
low voltage
voltage vacuum
shorting switch
Prior art date
Application number
ZA767617A
Other languages
English (en)
Inventor
R Hruda
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
Publication of ZA767617B publication Critical patent/ZA767617B/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
    • 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
    • H01H33/6606—Terminal arrangements
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66238—Specific bellows details
ZA767617A 1976-01-19 1976-12-22 An improvement in or relating to low voltage vacuum shorting switch ZA767617B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65032276A 1976-01-19 1976-01-19

Publications (1)

Publication Number Publication Date
ZA767617B true ZA767617B (en) 1977-11-30

Family

ID=24608406

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA767617A ZA767617B (en) 1976-01-19 1976-12-22 An improvement in or relating to low voltage vacuum shorting switch

Country Status (5)

Country Link
JP (2) JPS5288773A (enrdf_load_stackoverflow)
CA (1) CA1081742A (enrdf_load_stackoverflow)
DE (1) DE2702103C2 (enrdf_load_stackoverflow)
GB (1) GB1573415A (enrdf_load_stackoverflow)
ZA (1) ZA767617B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088859A (en) * 1977-02-23 1978-05-09 Westinghouse Electric Corp. Normal open low voltage vacuum shorting switch
US4216360A (en) * 1978-07-27 1980-08-05 Westinghouse Electric Corp. Low voltage vacuum switch with internal arcing shield
US4233480A (en) * 1978-09-20 1980-11-11 Westinghouse Electric Corp. Low voltage vacuum switch with three internal contacts including a center floating contact
US4216361A (en) * 1978-11-17 1980-08-05 Westinghouse Electric Corp. Low voltage vacuum switch with plural conic shields about the contacts
US4426560A (en) * 1980-11-13 1984-01-17 Westinghouse Electric Corp. Reduced pressure electrical switch
JPS5848323A (ja) * 1981-09-16 1983-03-22 三菱電機株式会社 真空開閉器用接点
DE3926619C2 (de) * 1989-07-15 1993-11-04 Calor Emag Elektrizitaets Ag Verfahren zur herstellung einer vakuumschaltkammer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4890156U (enrdf_load_stackoverflow) * 1972-02-05 1973-10-30
JPS4939771A (enrdf_load_stackoverflow) * 1972-08-30 1974-04-13
US3950628A (en) * 1974-10-10 1976-04-13 Westinghouse Electric Corporation Bellows type shorting switch

Also Published As

Publication number Publication date
CA1081742A (en) 1980-07-15
JPS5288773A (en) 1977-07-25
DE2702103A1 (de) 1977-07-21
DE2702103C2 (de) 1986-11-13
JPS60188441U (ja) 1985-12-13
GB1573415A (en) 1980-08-20
JPS6222049Y2 (enrdf_load_stackoverflow) 1987-06-04

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