Gas trap apparatus

Details Gas trap apparatus Gas trap apparatus

1992-11-19

1993-07-20

Rivell, John

Heat exchange

Non-communicating coaxial enclosures

With communicating coaxial enclosure

165154, 165135, 165 64, 165 61, F25B 2900

Patent

active

052285146

ABSTRACT:
A gas trap apparatus is disclosed for trapping gaseous fraction of mixtures. The apparatus includes a gas column chamber into which a tubular column, such as a capillary tube, may extend. A cooling chamber is provided into which a coolant may be introduced for solidifying or liquefying a gas sample. A heating element in surrounding relationship to the cooling chamber is used for vaporizing the solidified/liquified gas. A Dewar flask surrounds the gas trap apparatus to prevent thermal leakage to the atmosphere.

REFERENCES:
patent: 3334686 (1967-08-01), Barrett
patent: 3525928 (1970-08-01), Nagao et al.
patent: 4242001 (1980-12-01), Meintker et al.
patent: 4671351 (1987-06-01), Rappe
patent: 4986343 (1991-01-01), Sing
patent: 5033541 (1991-07-01), D'Silva

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