FR2224857B1 - - Google Patents

Info

Publication number
FR2224857B1
FR2224857B1 FR7412183A FR7412183A FR2224857B1 FR 2224857 B1 FR2224857 B1 FR 2224857B1 FR 7412183 A FR7412183 A FR 7412183A FR 7412183 A FR7412183 A FR 7412183A FR 2224857 B1 FR2224857 B1 FR 2224857B1
Authority
FR
France
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
FR7412183A
Other versions
FR2224857A1 (fr
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing 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 Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Publication of FR2224857A1 publication Critical patent/FR2224857A1/fr
Application granted granted Critical
Publication of FR2224857B1 publication Critical patent/FR2224857B1/fr
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
    • 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
    • H01H2033/66292—Details relating to the use of multiple screens in vacuum switches
FR7412183A 1973-04-06 1974-04-05 Expired FR2224857B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973041663U JPS5343491Y2 (fr) 1973-04-06 1973-04-06

Publications (2)

Publication Number Publication Date
FR2224857A1 FR2224857A1 (fr) 1974-10-31
FR2224857B1 true FR2224857B1 (fr) 1979-02-16

Family

ID=12614608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7412183A Expired FR2224857B1 (fr) 1973-04-06 1974-04-05

Country Status (6)

Country Link
US (1) US3920942A (fr)
JP (1) JPS5343491Y2 (fr)
CA (1) CA999624A (fr)
DE (1) DE2416747C3 (fr)
FR (1) FR2224857B1 (fr)
GB (1) GB1444845A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006331A (en) * 1975-08-27 1977-02-01 General Electric Company Vacuum interrupter for high voltage applications
JPS5637311Y2 (fr) * 1976-07-31 1981-09-01
EP0017378B1 (fr) * 1979-03-23 1983-01-12 Kabushiki Kaisha Meidensha Interrupteur à vide
USRE32440E (en) * 1979-03-23 1987-06-16 Kabushiki Kaisha Meidensha Vacuum circuit interrupter
US4478347A (en) * 1981-01-23 1984-10-23 Westinghouse Electric Corp. Unitary end closure and seal shield member for vacuum interrupter
JPS6343229A (ja) * 1986-08-07 1988-02-24 三菱電機株式会社 真空しや断器
JPH0719520B2 (ja) * 1986-09-29 1995-03-06 三菱電機株式会社 真空遮断器
CN100440412C (zh) * 2006-09-13 2008-12-03 施文峰 低压真空开关

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185800A (en) * 1963-02-18 1965-05-25 Gen Electric Vacuum type circuit interrupter with improved vapor-condensing shielding
GB1190442A (en) * 1967-02-20 1970-05-06 Ass Elect Ind Improvements relating to Vacuum Electric Switches and like Discharge Devices

Also Published As

Publication number Publication date
JPS5343491Y2 (fr) 1978-10-19
CA999624A (en) 1976-11-09
DE2416747B2 (de) 1976-12-16
FR2224857A1 (fr) 1974-10-31
US3920942A (en) 1975-11-18
GB1444845A (en) 1976-08-04
JPS49141348U (fr) 1974-12-05
DE2416747C3 (de) 1977-08-18
DE2416747A1 (de) 1974-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse