ULTRA HIGH VACUUM VALVE
Patent
·
OSTI ID:4790973
A valve for high vacuum applications such as the CStellarator where chamber pressures as low as 2 x 10/sup -10/ mm Hg are necessary is designed with a line-of-sight path through the valve for visual inspection of the contents of reactants in such chambers. The valve comprises a turnable resilient metal ball having an aperture therethrough, means for selectively turning the ball to rotate the axis of its line-of-sight path, and soft, deformable opposing orifices that are movable relatively toward said ball to seal with opposite ball surfaces upon said movement of said axis of said line-of-sight path. The valve also includes a bellows seal connected between said orifices and internal actuating means that eliminates the requirement for gasketed turnable valve closing stems. (AEC)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-16-016497
- Assignee:
- U. S. Atomic Energy Commission
- Patent Number(s):
- US 3036811
- OSTI ID:
- 4790973
- Country of Publication:
- United States
- Language:
- English
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