FR2189849A1 - - Google Patents

Info

Publication number
FR2189849A1
FR2189849A1 FR7321954A FR7321954A FR2189849A1 FR 2189849 A1 FR2189849 A1 FR 2189849A1 FR 7321954 A FR7321954 A FR 7321954A FR 7321954 A FR7321954 A FR 7321954A FR 2189849 A1 FR2189849 A1 FR 2189849A1
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.)
Granted
Application number
FR7321954A
Other languages
French (fr)
Other versions
FR2189849B1 (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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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
Priority claimed from CH939872A external-priority patent/CH531784A/en
Application filed by Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of FR2189849A1 publication Critical patent/FR2189849A1/fr
Application granted granted Critical
Publication of FR2189849B1 publication Critical patent/FR2189849B1/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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
FR7321954A 1972-06-22 1973-06-15 Expired FR2189849B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH939872A CH531784A (en) 1971-10-08 1972-06-22 Arc electrode, especially for a contact arrangement in a vacuum switch

Publications (2)

Publication Number Publication Date
FR2189849A1 true FR2189849A1 (en) 1974-01-25
FR2189849B1 FR2189849B1 (en) 1977-02-11

Family

ID=4351571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321954A Expired FR2189849B1 (en) 1972-06-22 1973-06-15

Country Status (4)

Country Link
JP (1) JPS4951567A (en)
DE (1) DE2303391A1 (en)
FR (1) FR2189849B1 (en)
GB (1) GB1425611A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9105513D0 (en) * 1991-03-15 1991-05-01 Nat Res Dev Control of electric arcs
CN114400165B (en) * 2021-12-31 2023-12-12 深圳市瑞智电力股份有限公司 Dual-power transfer switch and operating system thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1362898A (en) * 1962-07-17 1964-06-05 Thomson Houston Comp Francaise Improvements to vacuum interrupters
FR1594040A (en) * 1968-01-18 1970-06-01
CH531784A (en) * 1971-10-08 1972-12-15 Sprecher & Schuh Ag Arc electrode, especially for a contact arrangement in a vacuum switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1362898A (en) * 1962-07-17 1964-06-05 Thomson Houston Comp Francaise Improvements to vacuum interrupters
FR1594040A (en) * 1968-01-18 1970-06-01
CH531784A (en) * 1971-10-08 1972-12-15 Sprecher & Schuh Ag Arc electrode, especially for a contact arrangement in a vacuum switch

Also Published As

Publication number Publication date
JPS4951567A (en) 1974-05-18
DE2303391A1 (en) 1974-01-10
FR2189849B1 (en) 1977-02-11
GB1425611A (en) 1976-02-18

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Legal Events

Date Code Title Description
ST Notification of lapse