Sealed refrigeration immersion vessel

Details Sealed refrigeration immersion vessel Sealed refrigeration immersion vessel

1993-01-19

1994-03-22

Tapolcai, William E.

Refrigeration

Compartment access or use and air blocking

Including article conveyer or transporter

62374, 62380, F25D 2504

Patent

active

052953661

ABSTRACT:
A refrigeration immersion vessel primarily designed for direct immersion of comestibles into liquid chlorofluorocarbons (CFC's) at approximate minus 20 degrees Fahrenheit is described wherein said vessel employs pairs of rotary vane valves with internal vacuum in communication with a closed system to recycle CFC vapors into said vessel while preventing atmospheric air from entering it, said vessel further utilizing different CFC from a source external of the vessel and of lower boiling point to maintain temperature of vessel reservoir refrigerant, said vessel also having condensers using the external CFC refrigerant for recondensing internal CFC vapors, controlling vessel reservoir temperature and temperature of vessel refrigerant storage outside said vessel, said vessel further comprising an inclined internal conveyor means and bottom for drainage by gravity of excess refrigerant into its reservoir.

REFERENCES:
patent: 3214928 (1965-11-01), Oberdorfer
patent: 3300993 (1967-01-01), Schlemmer
patent: 3304732 (1967-02-01), Rubin
patent: 4073158 (1978-02-01), Guiller
patent: 4499740 (1985-02-01), Older et al.
patent: 4528819 (1985-07-01), Klee

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