Refrigeration – Low pressure cold trap process and apparatus
Patent
1975-04-18
1977-07-19
O'Dea, William F.
Refrigeration
Low pressure cold trap process and apparatus
138112, 138113, 174 15S, 285 47, 285DIG5, F17C 702
Patent
active
040366170
ABSTRACT:
An elongated cryogenic envelope includes a support-spacer for locating a plurality of refrigeration tubes at selected radial and circumferential locations within a vacuum chamber formed between inner and outer coaxial tubes. The support-spacer includes a high-thermal-conductivity ring surrounding the inner tube and a plurality of hollow epoxy-fiberglass, titanium-tipped spokes extending between the outer tube and the high-thermal-conductivity ring surrounding the inner tube.
REFERENCES:
patent: 2962051 (1960-11-01), Burkes, Jr.
patent: 3383875 (1968-05-01), Haas
patent: 3466886 (1969-09-01), Doose et al.
patent: 3512581 (1970-05-01), Lawton
DeHaan James R.
Leonard Kenneth R.
Capossela Ronald C.
Cryogenic Technology, Inc.
O'Dea William F.
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