IT7941645A0 - Interruttore a vuoto di bassa tensione dotato di una pluralita'di schermi conici attorno ai contatti. - Google Patents

Interruttore a vuoto di bassa tensione dotato di una pluralita'di schermi conici attorno ai contatti.

Info

Publication number
IT7941645A0
IT7941645A0 IT7941645A IT4164579A IT7941645A0 IT 7941645 A0 IT7941645 A0 IT 7941645A0 IT 7941645 A IT7941645 A IT 7941645A IT 4164579 A IT4164579 A IT 4164579A IT 7941645 A0 IT7941645 A0 IT 7941645A0
Authority
IT
Italy
Prior art keywords
contacts
circuit breaker
low voltage
vacuum circuit
voltage vacuum
Prior art date
Application number
IT7941645A
Other languages
English (en)
Other versions
IT1124479B (it
Inventor
Leonard A Salvatore
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 IT7941645A0 publication Critical patent/IT7941645A0/it
Application granted granted Critical
Publication of IT1124479B publication Critical patent/IT1124479B/it

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
    • H01H33/662—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
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • 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
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66269—Details relating to the materials used for screens in 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
    • H01H33/662—Housings or protective screens
    • H01H33/66238—Specific bellows details
IT41645/79A 1978-11-17 1979-11-14 Interruttore a vuoto di bassa tensione dotato di una pluralita' di schermi conici attorno ai contatti IT1124479B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/961,789 US4216361A (en) 1978-11-17 1978-11-17 Low voltage vacuum switch with plural conic shields about the contacts

Publications (2)

Publication Number Publication Date
IT7941645A0 true IT7941645A0 (it) 1979-11-14
IT1124479B IT1124479B (it) 1986-05-07

Family

ID=25505004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41645/79A IT1124479B (it) 1978-11-17 1979-11-14 Interruttore a vuoto di bassa tensione dotato di una pluralita' di schermi conici attorno ai contatti

Country Status (8)

Country Link
US (1) US4216361A (it)
JP (1) JPS5572326A (it)
CA (1) CA1118474A (it)
DE (1) DE2944286A1 (it)
GB (1) GB2035697B (it)
IN (1) IN151852B (it)
IT (1) IT1124479B (it)
SU (1) SU1003776A3 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4426560A (en) * 1980-11-13 1984-01-17 Westinghouse Electric Corp. Reduced pressure electrical switch
DE3343918A1 (de) * 1983-12-05 1985-06-13 Siemens AG, 1000 Berlin und 8000 München Vakuumschalter fuer den niederspannungsbereich, insbesondere niederspannungsschuetz
DE3623457A1 (de) * 1986-07-11 1988-01-14 Siemens Ag Vakuumschaltroehre
DE3718531A1 (de) * 1987-05-29 1988-08-11 Slamecka Ernst Vakuumschalter
DE19623733B4 (de) * 1996-06-14 2007-07-05 Ritter Starkstromtechnik Gmbh & Co Hochstromschalter
DE19802893A1 (de) * 1998-01-21 1999-07-22 Siemens Ag Vakuumschaltkammer mit ringförmigem Isolator
DE19910148C2 (de) 1999-02-26 2001-03-22 Siemens Ag Vakuumschaltkammer mit ringförmigem Isolator
EP2620968A1 (en) * 2012-01-26 2013-07-31 ABB Technology AG Shielding element for the use in medium voltage switchgears

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1819154A (en) * 1928-08-22 1931-08-18 Westinghouse Electric & Mfg Co Vacuum circuit breaker
US2863027A (en) * 1956-03-30 1958-12-02 Jennings Radio Mfg Corp Vacuum switch
US2943167A (en) * 1958-12-29 1960-06-28 Bendix Aviat Corp Miniature sealed pressure switch
GB1185872A (en) * 1967-01-25 1970-03-25 Ass Elect Ind Improvements in or relating to Vacuum Electric Devices
US3792214A (en) * 1972-01-28 1974-02-12 Westinghouse Electric Corp Vacuum interrupter for high voltage application
DE2260587A1 (de) * 1972-12-11 1974-06-12 Siemens Ag Vakuumschaltrohr
JPS548354Y2 (it) * 1973-03-13 1979-04-17
US3996473A (en) * 1974-05-08 1976-12-07 Dresser Industries, Inc. Pulsed neutron generator using shunt between anode and cathode
US4072837A (en) * 1975-12-29 1978-02-07 General Electric Company High continuous current vacuum-type circuit interrupter
ZA767617B (en) * 1976-01-19 1977-11-30 Westinghouse Electric Corp An improvement in or relating to low voltage vacuum shorting switch
DE2733822A1 (de) * 1977-07-27 1979-02-01 Rietdorf & Hatzfeld Ohg Paveg Geraet zur erzeugung von warmen bzw. heissem brauchwasser in kraftfahrzeugen

Also Published As

Publication number Publication date
US4216361A (en) 1980-08-05
IT1124479B (it) 1986-05-07
GB2035697B (en) 1983-03-23
IN151852B (it) 1983-08-20
CA1118474A (en) 1982-02-16
DE2944286A1 (de) 1980-05-29
GB2035697A (en) 1980-06-18
JPS5572326A (en) 1980-05-31
SU1003776A3 (ru) 1983-03-07
JPS6330727B2 (it) 1988-06-20

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