Refrigeration – Storage of solidified or liquified gas – With vapor discharged from storage receptacle
Patent
1989-09-11
1991-07-16
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
With vapor discharged from storage receptacle
62 502, 62 511, F17C 704
Patent
active
050314084
ABSTRACT:
A cryocrucible permits the introduction of ion clusters of a cryogen, like oxygen or nitrogen, to a vacuum chamber, and preferably comprises a liquid cryogen containment vessel connected to an expansion chamber through a solenoid-actuated valve, a cooling means for maintaining the cryogen as a liquid in the containment vessel, and a nozzle connecting the expansion chamber to the vacuum chamber. Liquid evaporates through the valve into the expansion chamber and, then, forms clusters when it expands further while passing through the nozzle into the vacuum chamber.
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Day Arthur C.
Horne William E.
Capossela Ronald C.
Hammar John C.
The Boeing Company
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