NASA NTRS · 19840000149
Sealing Mechanical Cryogenic Coolers
Abstract
Metal bellows used to seal Vuilleumier and Stirling-cycle cryogenic coolers, replacing sliding seals that failed after only 3,000 hours of service. Metal bellows, incorporated in displacer design provide nonrubbing dynamic seal. Lifetime of cryogenic cooler no longer limited by loss of sealing material and by deterioration of regenerators due to clogging by seal debris.
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Richter, R.. 1985-01-01. Sealing Mechanical Cryogenic Coolers. https://ntrs.nasa.gov/citations/19840000149
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