Cooling heat exchanger

Details Cooling heat exchanger Cooling heat exchanger

1986-08-11

1987-07-14

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

55269, 62268, 62515, B01D 800

Patent

active

046794026

ABSTRACT:
A cooling heat exchanger such as a cold trap for removing contaminants from a vapor stream. Vapor flows through a conduit having angled baffles therein. The baffles are aligned within the conduit so as to form an optically dense trap. A cold region is created by placing a cold finger of a cryogenic refrigerator in contact with a sleeve surrounding the conduit adjacent to the baffles. Insulation of the cold region to maintain cryogenic temperatures is accomplished by insulation within an insulating container surrounding the cold region.

REFERENCES:
patent: 3175373 (1965-03-01), Holkeboer et al.
patent: 3188785 (1965-06-01), Butler
patent: 3279211 (1966-10-01), Merrick
patent: 3423947 (1969-01-01), Moriya
patent: 4479927 (1984-10-01), Gelernt
patent: 4506513 (1985-03-01), Max
patent: 4537927 (1985-08-01), Kamil
patent: 4541249 (1985-09-01), Graves et al.

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