VACUUM VALVE
To provide a vacuum valve that reliably prevents damage to bellows due to arcs.SOLUTION: In a vacuum valve with a bellows cover 12, the bellows cover 12 includes a tubular portion 12a whose one end is joined to a movable side flange 4 and covers the side portion of the bellows 11, and a bottom porti...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a vacuum valve that reliably prevents damage to bellows due to arcs.SOLUTION: In a vacuum valve with a bellows cover 12, the bellows cover 12 includes a tubular portion 12a whose one end is joined to a movable side flange 4 and covers the side portion of the bellows 11, and a bottom portion 12b in which the other end of the tubular portion 12a is located on the fixed electrode 7 side from a joint between a movable current-carrying rod 6 and the bellows 11, and has a hole through which the movable current-carrying rod 6 penetrates when the fixed electrode 7 and the movable electrode 8 are in contact with each other.SELECTED DRAWING: Figure 1
【課題】アークによるベローズの損傷を確実に防止する真空バルブを提供する。【解決手段】ベローズカバー１２を有する真空バルブにおいて、ベローズカバー１２は、一端が可動側フランジ４に接合されベローズ１１の側部を覆う筒部１２ａと、固定電極７と可動電極８が接触している状態において筒部１２ａの他端が可動通電棒６とベローズ１１との接合部より固定電極７側に位置し、可動通電棒６が貫通する穴を有する底部１２ｂを有する。【選択図】図１ |
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