IT1084512B - Interruttore elettrico sotto vuoto. - Google Patents
Interruttore elettrico sotto vuoto.Info
- Publication number
- IT1084512B IT1084512B IT26947/77A IT2694777A IT1084512B IT 1084512 B IT1084512 B IT 1084512B IT 26947/77 A IT26947/77 A IT 26947/77A IT 2694777 A IT2694777 A IT 2694777A IT 1084512 B IT1084512 B IT 1084512B
- Authority
- IT
- Italy
- Prior art keywords
- electric switch
- vacuum electric
- vacuum
- switch
- electric
- Prior art date
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
- H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2638700A DE2638700C3 (de) | 1976-08-27 | 1976-08-27 | Elektrischer Vakuumschalter |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1084512B true IT1084512B (it) | 1985-05-25 |
Family
ID=5986554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26947/77A IT1084512B (it) | 1976-08-27 | 1977-08-25 | Interruttore elettrico sotto vuoto. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4438307A (it) |
JP (1) | JPS5328270A (it) |
CA (1) | CA1086804A (it) |
CH (1) | CH616268A5 (it) |
DE (1) | DE2638700C3 (it) |
FR (1) | FR2363178A1 (it) |
GB (1) | GB1571563A (it) |
IT (1) | IT1084512B (it) |
SE (1) | SE422857B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816731B2 (ja) * | 1977-12-28 | 1983-04-01 | 株式会社明電舎 | 真空しや断器の電極 |
DE3133799A1 (de) * | 1981-08-26 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | "kontaktanordnung fuer vakuumschalter" |
DE3151907A1 (de) * | 1981-12-23 | 1983-06-30 | Siemens AG, 1000 Berlin und 8000 München | Vakuumschaltroehre mit einem ring zur erzeugung eines axialen magnetfeldes |
DE3302595A1 (de) * | 1983-01-27 | 1984-08-02 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Kontaktanordnung fuer vakuumschalter |
US4659885A (en) * | 1983-03-22 | 1987-04-21 | Kabushiki Kaisha Meidensha | Vacuum interrupter |
DE3323627A1 (de) * | 1983-06-30 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | Topffoermiges schaltkontaktstueck fuer einen elektrischen vakuumschalter |
GB8321368D0 (en) * | 1983-08-09 | 1983-09-07 | Vacuum Interrupters Ltd | High current switch contacts |
US4553003A (en) * | 1984-03-30 | 1985-11-12 | Westinghouse Electric Corp. | Cup type vacuum interrupter contact |
DE3415744A1 (de) * | 1984-04-26 | 1985-10-31 | Siemens AG, 1000 Berlin und 8000 München | Kontaktanordnung fuer einen vakuumschalter |
DE3415743A1 (de) * | 1984-04-26 | 1985-10-31 | Siemens AG, 1000 Berlin und 8000 München | Kontaktanordnung fuer einen vakuumschalter |
US4757166A (en) * | 1987-06-15 | 1988-07-12 | Westinghouse Electric Corp. | Vacuum interrupter with ceramic enclosure |
DE3832493A1 (de) * | 1988-09-22 | 1990-03-29 | Siemens Ag | Vakuumschaltroehre, eine solche schaltroehre enthaltender lasttrennschalter und verfahren zum betrieb eines solchen lasttrennschalters |
US4982059A (en) * | 1990-01-02 | 1991-01-01 | Cooper Industries, Inc. | Axial magnetic field interrupter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR908536A (fr) * | 1944-07-20 | 1946-04-11 | Lorraine Carbone | Mode de fixation de contacts électriques |
US2851381A (en) * | 1955-04-05 | 1958-09-09 | Gibson Electric Company | Simultaneous infiltrating and obtaining a brazable surface |
GB1090872A (en) * | 1964-02-11 | 1967-11-15 | Ass Elect Ind | Improvements relating to vacuum switches |
FR1433863A (fr) * | 1964-05-15 | 1966-04-01 | Siemens Ag | Alliage métallique pour contacts électriques à charge élevée et procédé de safabrication |
GB1194674A (en) * | 1966-05-27 | 1970-06-10 | English Electric Co Ltd | Vacuum Type Electric Circuit Interrupting Devices |
DE1765263C3 (de) * | 1968-04-25 | 1979-11-29 | Calor-Emag Elektrizitaets-Aktiengesellschaft, 4030 Ratingen | Elektrischer Vakuumschalter |
DE2124426A1 (de) * | 1971-05-17 | 1972-11-23 | Siemens AG, 1000 Berlin u. 8000 München | Vakuumschalterkontakt |
DE2433788B1 (de) * | 1974-07-13 | 1975-10-30 | Dr. Eugen Duerrwaechter Doduco, 7530 Pforzheim | SchaltstUcke für abbrandfeste elektrische Kontakte und Verfahren zu ihrer Herstellung |
GB1528777A (en) * | 1975-01-10 | 1978-10-18 | Westinghouse Electric Corp | Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface |
DE2602579A1 (de) * | 1976-01-23 | 1977-07-28 | Siemens Ag | Vakuumschaltrohr |
-
1976
- 1976-08-27 DE DE2638700A patent/DE2638700C3/de not_active Expired
-
1977
- 1977-05-11 GB GB19703/77A patent/GB1571563A/en not_active Expired
- 1977-07-04 CH CH816177A patent/CH616268A5/de not_active IP Right Cessation
- 1977-08-12 FR FR7724902A patent/FR2363178A1/fr active Granted
- 1977-08-25 IT IT26947/77A patent/IT1084512B/it active
- 1977-08-25 CA CA285,453A patent/CA1086804A/en not_active Expired
- 1977-08-25 JP JP10216577A patent/JPS5328270A/ja active Pending
- 1977-08-26 SE SE7709635A patent/SE422857B/xx not_active IP Right Cessation
-
1983
- 1983-03-31 US US06/480,899 patent/US4438307A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2363178B1 (it) | 1983-06-24 |
SE7709635L (sv) | 1978-02-28 |
CA1086804A (en) | 1980-09-30 |
SE422857B (sv) | 1982-03-29 |
US4438307A (en) | 1984-03-20 |
GB1571563A (en) | 1980-07-16 |
DE2638700C3 (de) | 1983-11-10 |
JPS5328270A (en) | 1978-03-16 |
CH616268A5 (it) | 1980-03-14 |
DE2638700B2 (de) | 1981-06-19 |
FR2363178A1 (fr) | 1978-03-24 |
DE2638700A1 (de) | 1978-03-02 |
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