Vacuum variable capacitor
The present invention concerns a vacuum variable capacitor (1) comprising a vacuum sealed enclosure (2) to contain a vacuum dielectric medium, wherein the enclosure (2) comprises a first plate (3) and a second plate (4), the said first plate (3) and the said second plate (4) being separated by an el...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention concerns a vacuum variable capacitor (1) comprising a vacuum sealed enclosure (2) to contain a vacuum dielectric medium, wherein the enclosure (2) comprises a first plate (3) and a second plate (4), the said first plate (3) and the said second plate (4) being separated by an electrically insulating element (5), a fixed electrode (6) attached inside the enclosure (2) to the first plate (3) and a movable electrode (8) attached to a movable plate (7), wherein the movable plate (7) is attached inside the enclosure (2) to the second plate (4) by means of at least one vacuum bellows (9), wherein the vacuum capacitor (1) comprises a mechanical drive system (10) for displacing, in particular translating, the movable plate (7) relative to the first plate (3) so as to vary the capacitance of the vacuum capacitor (1), wherein the mechanical drive system (10) comprises a ball screw (11) arranged to drive the movable plate (7) and wherein the mechanical drive system (10) comprises outside of the vacu |
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