Magnetic bearings and noncontacting seals let cooler operate unattended at 65 K for more than 3 years. New cooler uses magnetic bearings, small piston/cylinder clearance seals, and linear motors. Cooler consists of compression and expansion sections connected end-to-end. Compression section houses reciprocating hollow piston driven by linear motor.
Long-Life Cryogenic Cooler
NASA Tech Briefs ; 9 , 1
01.06.1985
Sonstige
Keine Angabe
Englisch
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