| 摘要 |
An arrangement for reducing noise in an X-ray tube uses a ring mass disposed on the bearing shroud. The ring mass dissipates vibrational energy which would otherwise be transmitted to the glass envelope of the vacuum tube within the casing of the X-ray tube. The ring mass, which is tightly coupled to the bearing shroud, is mounted adjacent the neck of the glass envelope of the vacuum tube. The ring mass is made of lead and may have two ends at a split so that a bolt may tighten the ring around the bearing shroud.
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