GB1423379A - Vacuum circuit interruptors - Google Patents

Vacuum circuit interruptors

Info

Publication number
GB1423379A
GB1423379A GB4658773A GB4658773A GB1423379A GB 1423379 A GB1423379 A GB 1423379A GB 4658773 A GB4658773 A GB 4658773A GB 4658773 A GB4658773 A GB 4658773A GB 1423379 A GB1423379 A GB 1423379A
Authority
GB
United Kingdom
Prior art keywords
gettering
vacuum
zirconium
oct
substance
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4658773A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hazemeijer BV
Original Assignee
Hazemeijer BV
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 Hazemeijer BV filed Critical Hazemeijer BV
Publication of GB1423379A publication Critical patent/GB1423379A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
GB4658773A 1972-10-18 1973-10-05 Vacuum circuit interruptors Expired GB1423379A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL727214103A NL149629B (nl) 1972-10-18 1972-10-18 Vacuuemschakelaar met vangstofelement.
SE1410372 1972-10-18

Publications (1)

Publication Number Publication Date
GB1423379A true GB1423379A (en) 1976-02-04

Family

ID=26644817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4658773A Expired GB1423379A (en) 1972-10-18 1973-10-05 Vacuum circuit interruptors

Country Status (10)

Country Link
US (1) US3872271A (cs)
JP (1) JPS5624340B2 (cs)
AT (1) AT328029B (cs)
AU (1) AU465944B2 (cs)
BE (1) BE806050A (cs)
CA (1) CA996164A (cs)
CH (1) CH563658A5 (cs)
FR (1) FR2204032B1 (cs)
GB (1) GB1423379A (cs)
NL (1) NL149629B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL170995C (nl) * 1978-12-01 1983-01-17 Hazemeijer Bv Vacuuemschakelaar, alsmede metalen scherm en vangstofelement daarvoor.
JPS6092120U (ja) * 1983-11-30 1985-06-24 日本精機株式会社 前面照明計器装置の照明ケ−ス取付構造
EP3562782B1 (en) 2016-12-31 2021-06-16 Thilium Co., Ltd. A method for producing a micron-size spherical silica aerogel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090852A (en) * 1960-02-11 1963-05-21 Gen Electric Gettering arrangement for a vacuum circuit interrupter
DE1947413A1 (de) * 1968-10-28 1970-04-30 Getters Spa Getterpumpe zur Erzeugung und Aufrechterhaltung eines Vakuums in geschlossenen Gefaessen

Also Published As

Publication number Publication date
CA996164A (en) 1976-08-31
DE2350489A1 (de) 1974-05-02
NL7214103A (cs) 1974-04-22
FR2204032B1 (cs) 1978-04-14
CH563658A5 (cs) 1975-06-30
JPS4973674A (cs) 1974-07-16
ATA885473A (de) 1975-05-15
JPS5624340B2 (cs) 1981-06-05
DE2350489B2 (de) 1976-04-15
AU6121873A (en) 1975-04-10
AU465944B2 (en) 1975-10-09
US3872271A (en) 1975-03-18
BE806050A (nl) 1974-04-12
AT328029B (de) 1976-02-25
FR2204032A1 (cs) 1974-05-17
NL149629B (nl) 1976-05-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee