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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH939872A CH531784A (de) | 1971-10-08 | 1972-06-22 | Lichtbogenelektrode, insbesondere für eine Kontaktanordnung in einem Vakuumschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2189849A1 true FR2189849A1 (ja) | 1974-01-25 |
FR2189849B1 FR2189849B1 (ja) | 1977-02-11 |
Family
ID=4351571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7321954A Expired FR2189849B1 (ja) | 1972-06-22 | 1973-06-15 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4951567A (ja) |
DE (1) | DE2303391A1 (ja) |
FR (1) | FR2189849B1 (ja) |
GB (1) | GB1425611A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9105513D0 (en) * | 1991-03-15 | 1991-05-01 | Nat Res Dev | Control of electric arcs |
CN114400165B (zh) * | 2021-12-31 | 2023-12-12 | 深圳市瑞智电力股份有限公司 | 一种双电源转换开关及其操作系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1362898A (fr) * | 1962-07-17 | 1964-06-05 | Thomson Houston Comp Francaise | Perfectionnements aux interrupteurs à vide |
FR1594040A (ja) * | 1968-01-18 | 1970-06-01 | ||
CH531784A (de) * | 1971-10-08 | 1972-12-15 | Sprecher & Schuh Ag | Lichtbogenelektrode, insbesondere für eine Kontaktanordnung in einem Vakuumschalter |
-
1973
- 1973-01-24 DE DE19732303391 patent/DE2303391A1/de active Pending
- 1973-05-29 GB GB2534373A patent/GB1425611A/en not_active Expired
- 1973-06-15 FR FR7321954A patent/FR2189849B1/fr not_active Expired
- 1973-06-22 JP JP7068973A patent/JPS4951567A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1362898A (fr) * | 1962-07-17 | 1964-06-05 | Thomson Houston Comp Francaise | Perfectionnements aux interrupteurs à vide |
FR1594040A (ja) * | 1968-01-18 | 1970-06-01 | ||
CH531784A (de) * | 1971-10-08 | 1972-12-15 | Sprecher & Schuh Ag | Lichtbogenelektrode, insbesondere für eine Kontaktanordnung in einem Vakuumschalter |
Also Published As
Publication number | Publication date |
---|---|
DE2303391A1 (de) | 1974-01-10 |
FR2189849B1 (ja) | 1977-02-11 |
JPS4951567A (ja) | 1974-05-18 |
GB1425611A (en) | 1976-02-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |