JPS4412447B1 - - Google Patents
Info
- Publication number
- JPS4412447B1 JPS4412447B1 JP1288966A JP1288966A JPS4412447B1 JP S4412447 B1 JPS4412447 B1 JP S4412447B1 JP 1288966 A JP1288966 A JP 1288966A JP 1288966 A JP1288966 A JP 1288966A JP S4412447 B1 JPS4412447 B1 JP S4412447B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US438868A US3302990A (en) | 1965-03-11 | 1965-03-11 | Method and apparatus for evacuating an electric discharge device of the vacuum type |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4412447B1 true JPS4412447B1 (ja) | 1969-06-05 |
Family
ID=23742358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1288966A Pending JPS4412447B1 (ja) | 1965-03-11 | 1966-03-04 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3302990A (ja) |
JP (1) | JPS4412447B1 (ja) |
DE (1) | DE1539126A1 (ja) |
GB (1) | GB1128628A (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3424339A1 (de) * | 1984-06-28 | 1986-01-09 | Siemens AG, 1000 Berlin und 8000 München | Vakuumschalter mit einer einrichtung zur ueberwachung des vakuums |
DE58904045D1 (de) * | 1988-06-16 | 1993-05-19 | Hydrid Wasserstofftech | Verfahren zur erzeugung eines vakuums. |
DE3829888A1 (de) * | 1988-09-02 | 1990-03-15 | Calor Emag Elektrizitaets Ag | Vakuum-schaltkammer |
IT1228148B (it) * | 1988-09-30 | 1991-05-31 | Getters Spa | Metodo per la produzione di una struttura con isolamento a vuoto e struttura isolata cosi' prodotta |
US5597992A (en) * | 1994-12-09 | 1997-01-28 | Cooper Industries, Inc. | Current interchange for vacuum capacitor switch |
FR2740106B1 (fr) * | 1995-10-20 | 1998-01-09 | Europ Propulsion | Dispositif pour le pilotage d'engin spatial par vannage de gaz par tuyere mobile |
EP2238660B1 (en) | 2007-12-21 | 2012-06-06 | BAE Systems PLC | High voltage switch |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2934392A (en) * | 1956-12-28 | 1960-04-26 | Gen Electric | Methods of manufacturing evacuated and gas-filled devices |
US2859571A (en) * | 1957-05-31 | 1958-11-11 | Gen Electric | Method of manufacturing vacuum enclosures |
-
1965
- 1965-03-11 US US438868A patent/US3302990A/en not_active Expired - Lifetime
-
1966
- 1966-02-25 GB GB8354/66A patent/GB1128628A/en not_active Expired
- 1966-03-04 JP JP1288966A patent/JPS4412447B1/ja active Pending
- 1966-03-10 DE DE19661539126 patent/DE1539126A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1128628A (en) | 1968-09-25 |
DE1539126A1 (de) | 1969-07-17 |
US3302990A (en) | 1967-02-07 |