CH396143A - Electric vacuum switch - Google Patents
Electric vacuum switchInfo
- Publication number
- CH396143A CH396143A CH780562A CH780562A CH396143A CH 396143 A CH396143 A CH 396143A CH 780562 A CH780562 A CH 780562A CH 780562 A CH780562 A CH 780562A CH 396143 A CH396143 A CH 396143A
- Authority
- CH
- Switzerland
- Prior art keywords
- electric vacuum
- vacuum switch
- switch
- electric
- vacuum
- 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
-
- 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 |
---|---|---|---|
GB23647/61A GB978973A (en) | 1961-06-30 | 1961-06-30 | Improvements in and relating to vacuum electric switches |
Publications (1)
Publication Number | Publication Date |
---|---|
CH396143A true CH396143A (en) | 1965-07-31 |
Family
ID=10199018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH780562A CH396143A (en) | 1961-06-30 | 1962-06-28 | Electric vacuum switch |
Country Status (4)
Country | Link |
---|---|
US (1) | US3270172A (en) |
CH (1) | CH396143A (en) |
DE (1) | DE1191461B (en) |
GB (1) | GB978973A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1065886A (en) * | 1963-10-11 | 1967-04-19 | Ass Elect Ind | Improvements relating to vacuum-switch contacts |
US3592987A (en) * | 1968-03-19 | 1971-07-13 | Westinghouse Electric Corp | Gettering arrangements for vacuum-type circuit interrupters comprising fibers of gettering material embedded in a matrix of material of good conductivity |
US3590197A (en) * | 1968-10-31 | 1971-06-29 | Allis Chalmers Mfg Co | Electrical contacts containing gettering material |
US3575564A (en) * | 1969-09-10 | 1971-04-20 | Allis Chalmers Mfg Co | Vacuum-type electric circuit interrupter |
US4021628A (en) * | 1975-01-20 | 1977-05-03 | Westinghouse Electric Corporation | Vacuum fault current limiter |
US4135071A (en) * | 1976-03-17 | 1979-01-16 | General Electric Company | Vacuum circuit interrupter with disc-shaped beryllium contacts |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1784302A (en) * | 1926-11-15 | 1930-12-09 | California Inst Of Techn | Process for conditioning electric switches |
DE596966C (en) * | 1930-05-28 | 1934-05-14 | Aeg | Device for vacuum switch for degassing the contacts |
DE565530C (en) * | 1930-09-07 | 1932-12-01 | Siemens Ag | Vacuum switch |
DE643192C (en) * | 1933-02-19 | 1937-03-31 | Siemens Schuckertwerke Akt Ges | Electric switch |
DE603883C (en) * | 1933-03-23 | 1934-10-10 | Bbc Brown Boveri & Cie | Switching arrangement |
BE412834A (en) * | 1934-12-18 | |||
IT570073A (en) * | 1956-04-17 | |||
US2976382A (en) * | 1959-06-29 | 1961-03-21 | Gen Electric | Arc extinguishing structure for an electric circuit interrupter |
US3014110A (en) * | 1959-10-29 | 1961-12-19 | Gen Electric | Alternating current vacuum circuit interrupter |
US7792742B1 (en) * | 1999-08-27 | 2010-09-07 | Federal Home Loan Mortgage Corporation | Risk-based reference pool capital reducing systems and methods |
-
1961
- 1961-06-30 GB GB23647/61A patent/GB978973A/en not_active Expired
-
1962
- 1962-06-28 DE DEE23110A patent/DE1191461B/en active Pending
- 1962-06-28 CH CH780562A patent/CH396143A/en unknown
-
1965
- 1965-04-19 US US449246A patent/US3270172A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB978973A (en) | 1965-01-01 |
DE1191461B (en) | 1965-04-22 |
US3270172A (en) | 1966-08-30 |
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