GB287843A - Improvements in or relating to high vacuum switches - Google Patents
Improvements in or relating to high vacuum switchesInfo
- Publication number
- GB287843A GB287843A GB3886/28A GB388628A GB287843A GB 287843 A GB287843 A GB 287843A GB 3886/28 A GB3886/28 A GB 3886/28A GB 388628 A GB388628 A GB 388628A GB 287843 A GB287843 A GB 287843A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- high vacuum
- vacuum switches
- siemens
- ges
- Prior art date
- 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
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
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
287,843. Siemens -Schuckertwerke Akt.-Ges., (Assignees of Siemens-Schuckertwerke Ges.). March 26, 1927, [Convention date] . Vacuum gauges. - In switches in which the contacts are mounted in a highly evacuated container, means are provided for determining the vacuum at any time. For this purpose a vessel 11 containing a thermionic device is connected to the container 1 and the current flowing between the electrodes of the device is measured.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE287843X | 1927-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB287843A true GB287843A (en) | 1928-08-02 |
Family
ID=6059389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3886/28A Expired GB287843A (en) | 1927-03-26 | 1928-02-07 | Improvements in or relating to high vacuum switches |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR648481A (en) |
GB (1) | GB287843A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2993971A (en) * | 1958-12-19 | 1961-07-25 | Allis Chalmers Mfg Co | Vacuum switch having arcuate tubular contacts actuated by internal fluid pressure |
US3026394A (en) * | 1959-11-10 | 1962-03-20 | Jennings Radio Mfg Corp | Vacuumized electric switch |
US4414447A (en) * | 1981-05-27 | 1983-11-08 | Westinghouse Electric Corp. | Low DC voltage, high current switch assembly |
-
1928
- 1928-02-07 GB GB3886/28A patent/GB287843A/en not_active Expired
- 1928-02-07 FR FR648481D patent/FR648481A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2993971A (en) * | 1958-12-19 | 1961-07-25 | Allis Chalmers Mfg Co | Vacuum switch having arcuate tubular contacts actuated by internal fluid pressure |
US3026394A (en) * | 1959-11-10 | 1962-03-20 | Jennings Radio Mfg Corp | Vacuumized electric switch |
US4414447A (en) * | 1981-05-27 | 1983-11-08 | Westinghouse Electric Corp. | Low DC voltage, high current switch assembly |
Also Published As
Publication number | Publication date |
---|---|
FR648481A (en) | 1928-12-10 |
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