Cold trap

Details Cold trap Cold trap

1982-09-23

1984-02-21

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

55269, 165119, 376210, B01D 800

Patent

active

044322089

ABSTRACT:
A cold trap including a section for cooling inflowing liquid sodium, a section for trapping impurities in the sodium, and a double-walled cylindrical structure disposed between the cooling section and the trapping section. The double-walled structure is filled with a heat-insulating gas, and is closed at its upper end but open at its lower end. An expanded portion designed for storing the heat-insulating gas is formed at the open lower end or in the vicinity thereof of the double-walled structure.

REFERENCES:
patent: 2248909 (1941-07-01), Russell
patent: 3292383 (1966-12-01), Charles et al.
patent: 3304731 (1967-02-01), Bills et al.
patent: 3552485 (1971-01-01), Le Jannou
patent: 3848423 (1974-11-01), Renaux

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